Ad posting data entry projects malaga spain jobs

We are looking for a detail-oriented individual to transfer data from over 2000 estimates into an Excel workbook / pricing database. The estimates and the Excel workbook are already formatted, so the main task will be to accurately input the data. This job requires strong data entry skills and attention to detail. The ideal candidate should be proficient in using Excel and have a good understanding of spreadsheets. We are looking for someone who can complete this task efficiently and accurately within 2 weeks. This will be executed in milestones to ensure the task is completed accurately and thoroughly.

...creating a Wikipedia entry in the History category. The main goal of this entry is to educate the public. The focus here is on presenting a general outline rather than an exhaustive, detailed account. Key Requirements: - Create a Wikipedia entry in the History category. - Ensure the content is suitable for educating the general public. - Focus on providing a broad, yet informative overview, rather than delving into specifics. Ideal Skills and Experience: - Experience with creating and editing Wikipedia entries. - A strong background in history and expertise in condensing complex information into a clear, concise form. - Understanding of the Wikipedia guidelines and principles of neutrality, verifiability, and reliable sourcing. - Good command of the language to e...

...professional who can assist with my Instagram ad posting issue. Despite not receiving any error messages, I've been unable to post Instagram ads lately. I'm looking for someone to identify and resolve the root cause of this issue, allowing me to successfully post my ads for product sales on Instagram. Key Responsibilities: - Diagnose the issue: Investigate the cause behind my inability to post Instagram ads. - Implement a solution: Once the root cause is identified, fix the issue to unblock my ad posting. - Ensure smooth ad posting: Make sure the issue is resolved comprehensively to avoid future hiccups. Ideal Candidate: - Proven experience with Instagram ads: I need a professional who has a solid understanding of the platform and it...

I am looking for a photographer with experience in product photography. There are two aspects to this project - 1. educate me on the art of product photography using the equipment I have available to me and 2. photographing products. The applicant should be highly creative and able to suggest original ways to photograph products to be eye-catching and appe...desirable. This job is about more than just taking photos - it's about showcasing the quality and appeal of these products creatively to stand out in front of the myriad of other online retailers available to potential customers. I am excited to see/hear your ideas that will make my products come to life through their photographs. The best way to get in touch with me with regards to this posting is via text message ...

I'm looking for a skilled Facebook Ad Manager to run a campaign with the goal of increasing brand awareness, driving website traffic, and generating leads. - The ideal candidate should be able to: - Create and manage ad campaigns that appeal to a specific target audience based on age, gender, location, and interests. - Optimize ad performance to achieve the specified goals, ultimately maximizing ROI. - Work with a budget of more than $1000, ensuring that the allocated funds are used efficiently and effectively. Previous experience in running successful Facebook ad campaigns is highly preferred.

As part of our company's pre-employment process, I'm seeking a skilled professional to conduct a thorough background check on potential candidates in Málaga, Spain. Key Components of Background Check: - Criminal Records: Verify if the candidate has any past criminal record that might be relevant to their role or our organization. - Credit History: Analyze the candidate's financial behavior and assess if it aligns with our company's standards. - Employment Verification: Validate the candidate's employment history to confirm the accuracy of their provided information. Key Aspects for Investigation: - Criminal Records: We need to ensure that the candidate doesn't have any criminal background that could pose a risk to our business or team. - Educa...

I'm in search of a skilled ...skilled individual to post a business-themed article across prominent online platforms. This task requires a keen understanding of different website formats and target audiences. You'll be expected to: - Research and recommend appropriate websites for the article posting. - Make sure the article is well-placed and resonates with business professionals. - Ensure the content is appropriately tagged and categorized for maximum visibility. I'm looking for someone: - With solid experience in content distribution and article posting. - Who can suggest and target websites effectively. - Who can cater the article to business professionals. Your expertise in this area is crucial for the success of this project. I'm open to suggestio...

I require an experienced and proficient VBA developer to create a code that automates data entry tasks in Microsoft Excel. The main objective is to significantly increase productivity and ensure accuracy by automating repetitive data entry procedures. Ideal skills would include: - Vast knowledge of VBA and Excel - Prior experience in developing automation scripts - Exceptional attention to detail - Ability to work within strict deadlines

I'm in need of a skilled developer to create a custom Forex indicator that counts bars from a specific origin point. The indicator should work on Tradingview Key Requirements: - The primary function of the indicator should be to count bars rather than identifying trend reversals, highlighting entry/exit points, or measuring volatility. - The indicator should be capable of accurately counting bars. Ideal Skills and Experience: - Proven experience in developing custom Forex indicators. - Proficiency in working with a variety of trading platforms. - Strong understanding of Forex trading and technical analysis. - Prior experience in creating bar counting indicators would be a significant advantage. Please provide a brief overview of your relevant experience when bidding.

I'm seeking a TikTok sales specialist to help us make a dynamic entry into the platform. Despite already having a successful startup, we are newbies in the TikTok world, and so, I need someone who can use their expertise to catapult our brand into prominence. Responsibilities: • Set up our TikTok account from scratch • Develop engaging content tailored to our physical products • Promote our products directly on TikTok Ideal candidate: • Proven experience in boosting e-commerce sales using TikTok • Excellent content creation skills • Strong understanding of TikTok algorithms and trends • Expertise in TikTok account management Your role will be instrumental in our successful debut on TikTok. It's an exciting opportunity to...

I need your help to hang up a job posting in central Budapest

...expertise to meticulously organize data, create advanced formulas, and design visually captivating presentations, this contest is tailored for you! Join us in revolutionizing property portfolio management with a document that sets the standard for clarity, accuracy, and usability. I would like to be able to edit if required in the future therefore 2 copies will be required. 1 being password and field protected and the other with full access for any required changes. **Requirements:** **Tab 1: Welcome & Data Collection** *Design and User Interface:* - Create an inviting and user-friendly interface that reflects our professional standards, incorporating the company logo colours (blue, white, grey). - Ensure intuitive navigation and seamless data entry f...

Start your proposal with "I have read the ad" to demonstrate that you have read the details carefully. Proposals sent without this will be disregarded. We are seeking a talented and experienced digital marketing freelancer to create and manage a new Facebook page for our Etsy shop. The goal is to increase visibility and sales of our unique products, focusing on custom mugs for various occasions and audiences. Responsibilities: Complete setup and creation of the Facebook page, including graphic design for profile and cover photos. Planning and executing a regular content calendar, featuring posts that promote our products, special offers, and engaging content relevant to our niche. Designing and optimizing product images for use in posts and advertisements. Creating, lau...

...beneficial. 1. EMA 7, 25, 99 with check box and adjustment settings. Smoothing 9 with check box. 2. Enter a long Position when EMA 7 and 25 crossed above the EMA 99 line and opposite for short entry. 3. exit trade when EMA 7 line crossed EMA 99 line (check box). 4. Exit previous trade before entering a new trade on opposite signal on same candle. 2 Strategy. (Give me drop down for 1 and 2) 1. EMA 7 and 200 with check box and adjustment settings. Smoothing 9 with check box. 2. Enter a long Position when EMA 7 crossed above the EMA 200 line and opposite for short entry. 3. Exit on Opposite signal. After completing this we will add take profit. Please provide examples of similar work you have done, particularly in the cryptocurrency mark...

...assist me with a variety of tasks. - Data Input: Your primary task will involve inputting data into spreadsheets. This work requires accuracy and efficiency. - Website Management: I need help with managing a website. This entails updating content, adding new features, and ensuring the site is running smoothly. Experience with website management, particularly with informational websites, is a huge plus. - Social Media: I need assistance with updating and maintaining my website’s social media presence. While the main focus will be on the website, familiarity with various social media platforms can be beneficial. I’m looking for freelancers who are able to work quickly, maintain a high level of accuracy, and who have some experience with data entry...

I am looking for a professional who can help me properly organize my 15,000+ products in my Shopify store into the appropriate categories and collections. Additionally, I need someone who is experienced with Shopify and Google Merchant Center to fix the errors that are currently preventing my listings from going live. Key tasks include: - Organizing 15,00...The ideal candidate should have: - Extensive experience with Shopify store management and organization. - Proficiency in Google Merchant Center and fixing product listing errors. - A good eye for design, particularly in relation to e-commerce platforms. You should be able to work independently, have excellent communication skills and be detail-oriented. The work will include a fair amount of data entry, so attention to d...

I'm in need of a talented professional to create a compelling advertisement aimed at increasing brand awareness. This advertisement will primarily be displayed in print media such as magazines and newspapers and should be specially tailored to resonate with the target audience - professionals aged 25-45. Key Responsibilities: - Design a visually appealing and effective print advertisement that captures the essence of my brand - Create a message that resonates with professionals in the 25-45 age group - Ensure the advertisement is suitable for placement in magazines and newspapers Ideal Skills & Experience: - Proven experience in creating print advertisements - A strong understanding of brand messaging and visual design - Familiarity with the preferences and interests of professi...

I need someone proficient in data entry to help me with a project - If you are overseas, please have a PREMIUM VPN setup to access website in Canada Thank you for your interest.

...for a skilled freelancer who can help automate various tasks in Excel. This includes, but is not limited to, data entry, formulas, and calculations. Key responsibilities: - Automating data entry processes within Excel - Implementing advanced formulas and calculations to streamline calculations - Generating reports and carrying out data analysis using Excel - Ensuring the accuracy and integrity of automated processes Ideal skills and experience: - Proven experience in automating tasks in Excel - Advanced knowledge of Excel functions and formulas - Ability to understand complex data sets and create accurate reports In your application, I'd like to see: - Examples of similar projects you've worked on - Details of your experience...

...simple static HTML banner ad designed, sized at 250x250 pixels. The banner is intended to promote my business by displaying a clear message, 'We Pay for our Clients Inspections!'. i was thinking "We Pay" could be larger on the first of 3 lines and 2nd line could be smaller and read "for Clients" and the bottom line would be "Inspections" it should be colored similar to this page coloring: Key requirements: - The banner should be static, no animations are needed. - The design should be eye-catching and present the message in a clear, visually appealing way. - It should be suitable for web placement. Ideal skills and experience for this job: - Proficiency in HTML and CSS to design the banner ad. - Previous experience

...classic and elegant black and white classified ad. The main points to keep in mind are: - Content Provided: I will provide you with the content for the ad. You will need to ensure it is presented neatly and effectively in the given dimensions (8.1x6.8 cms). - Design: The ad should be designed in a classic and elegant style. Please keep this in mind when selecting fonts and creating the layout. - No need for color: The ad should be in black and white only. Ideal Skills: - Graphic Design: Proficiency in using graphic design software such as Adobe Photoshop or Illustrator. - Layout Design: Experience in creating effective layouts for print media, particularly classified ads. - Attention to Detail: A keen eye for detail is crucial to ensure the ad is bo...

I need a data entry operator to convert images to text in notepad. - The task involves typing from images, so typing speed and accuracy are crucial. - The data is provided in image format, hence, experience in image-to-text data entry is a plus. Ideal Skills and Experience: - Proven experience in data entry with a high typing speed and accuracy. - Experience with image-to-text data entry is an advantage. - Proficiency in using Notepad for data entry.

Here's a revised job posting incorporating the need for a fully responsive design that can be converted into a Progressive Web App (PWA): Job Title: React.js Web Designer Needed for Creating a Responsive E-Commerce Site Similar to **Description:** We are seeking a talented web designer with experience in React.js to create a fully responsive e-commerce site design similar to [](). The design should be modern, clean, user-friendly, and capable of being converted into a Progressive Web App (PWA). **Responsibilities:** - Analyze the design and layout of the referenced site. - Develop a custom React.js-based front end that mirrors the look and feel of groca.myshopify.com. - Ensure the design is fully responsive and mobile-friendly

I am seeking an expert in data entry, particularly in the tasks of document conversion, data processing, and data verification. This role necessitates the management of confidential and sensitive information, hence, a demonstrated respect and understanding for data privacy is paramount. Key Responsibilities: • Document conversion • Data processing • Data verification Required Skills and Experience: • Proficient with MS Excel • Demonstrated experience in similar roles handling sensitive data • Strong attention to detail • Respect for privacy and confidentiality Note: Familiarity and experience with utilizing formulas and pivot tables within Excel are highly desirable, given the nature of tasks to...

I need assistance with copying & pasting data from spreadsheets. The dataset is less than 1,000 entries. Ideal skills and experience for this job: - Experience with data entry, especially from spreadsheets - Attention to detail - Proficiency in Excel - Ability to meet deadlines It's a straightforward task. The goal is to ensure the data is accurately copied and pasted.

"Publish 5 articles each 500-600 words on 5 guest posting websites 50DA+ with DoFollow Backlinks with .nl for ".

"Publish 5 articles each 500-600 words on 5 guest posting websites 50DA+ with DoFollow Backlinks with .nl for ".

...implement a system that will automatically post in Laraclassified ( LaraClassifier - Classified Ads Web Application ) websites from csv files. Key Project Requirements: - The system should be capable of posting the ads daily without human intervention. - The ads must be posted with consistent formatting and accuracy. - Development and implementation should be carried out with a focus on the user's perspective, ensuring the ads are easy to understand and engage with. Ideal Skills and Experience: - Proficiency in web development and automation technologies. - Previous experience with classified ad posting in Lara classified - Strong attention to detail and the ability to deliver a user-friendly experience. - Timely and consistent communication to ensure the pro...

I'm looking for a savvy digital marketer to create and post advertisements for my online store on Facebook, Instagram, and Tiktok. My products appeal primarily to young ...Tiktok. My products appeal primarily to young adults and parents. Your goal will be: - Create engaging content that will attract this target audience - Drive significant traffic towards my site - Generate substantial sales leads Key skills/attributes I seek: - An in-depth understanding of Facebook, Instagram, and Tiktok advertising guidelines - Proven experience with ad campaign management for a similar target group - Creativity in ad production to encourage click-throughs - Solid comprehension of metrics to understand what's working and what isn't. Let's help my online store stand ou...

I'm seeking professionals who can execute makeup, car customization, and car restoration projects. These projects are strictly for personal use. In your application, please include detailed project proposals, with a focus on the specific skills and experience you have in these areas. Key Details: - The scope of work will vary depending on the specific projects. - Makeup application: I'm interested in a range of makeup styles and techniques, from natural to avant-garde. - Car customization: This includes modifications to enhance aesthetics and performance. Knowledge of automotive design and mechanics is a plus. - Car restoration: The objective is to restore a vehicle to a condition as close to its original state as possible. Ideal Skills and Experience: ...

I'm in need of a reliable data entry professional to input a mix of text, numeric, and image data into a spreadsheet. The job involves inputting between 100 to 500 entries. Ideal Skills: - Proficiency in data entry with a strong attention to detail - Ability to handle different data formats (text, numeric, and images) - Experience in spreadsheet software, ideally with knowledge of conditional formatting and data validation. The data may need to be sorted and organized, so any experience or skills in data organization are a plus. It would be beneficial if you have a basic understanding of different types of data and their implications for the final use of the spreadsheet. Please be prepared to propose a basic te...

I'm in need of an experienced marketing professional who can help me implement lead generation strategies via Facebook and Instagram ads. Key Project Details: - Platforms: The project requires a focus on Facebook and Instagram Ads - Goal: The main objective of the campaign is to generate leads...professionals with bacheror title - Retargeting available The ideal freelancer for this project should have: - Proven experience in running successful lead generation campaigns on Facebook and Instagram, with a strong understanding of both platforms - A track record of reaching and engaging with a professional audience (25-54) - The ability to creatively develop and optimize ad content that attracts leads - Strong skills in data analysis and campaign performance tracking for ...

I'm looking for a skilled UI/UX designer to work on my web and app design projects. You should have at least 5 years of experience in UI/UX design and demonstrate expertise in tools such as Figma and XD. Please apply with a portfolio. Key features I'm looking for include: - Responsive design: The design should adapt seamlessly to all screen sizes and devices. - Intuitive navigation: The user should be able to easily find their way around the platform. - High-quality visuals: I aim for a trendy and futuristic style for my web design. The visuals should be engaging and visually appealing. If you have a strong background in UI/UX design, particularly with web and app design, I look forward to reviewing your application.

...freelancer to post an ad on Indeed for a Human Resources Assistant position. The job will be posted for 12 weeks, targeting individuals with mid-level experience in HR. Key Responsibilities: - Posting a well-crafted job ad on Indeed for the Human Resources Assistant position. - Ensuring the ad is visible and well-optimized for target audience. - Monitoring and responding to candidate applications and inquiries. Ideal Freelancer: - Proven experience in posting job ads on Indeed or similar platforms. - Strong understanding of human resources and the recruitment process. - Excellent communication skills for engaging with potential candidates. The ideal candidate for this project should have a strong background in HR or recruitment, as well as experienc...

I'm in need of skill poster that can post an ad on indeed for me Key Project Requirements: - Design should be tailored to attract job applicants - The poster should be eye-catching and engaging Ideal Freelancer: - Experienced in graphic design, particularly in creating posters for advertising purposes - Familiar with the requirements and best practices for job advertisement platforms like Indeed - Skilled in creating designs that are both attractive and informative - Can provide a portfolio showcasing past work and success in creating engaging posters.

I'm in need of an experienced social media manager who can handle my Facebook, Instagram, and Youtube accounts. Key Responsibilities: - Your primary task will involve posting engaging content 2-3 times a week on all three platforms. - You'll be responsible for creating and sharing compelling and creative image and video-based content. Ideal Candidate: - Proven experience in managing social media accounts. - Proficient in creating engaging and visually appealing images and videos. - Strong understanding of the social media landscape and trends. - Excellent communication and time-management skills.

I'm in need of a skilled Swift Engineer to work on a variety of projects with me on a long-term basis. Your primary tasks will be centred around mobile app development, particularly for iOS devices, and will involve using the latest Swift and XCode versions. Key requirements include: - Solid understanding of Swift programming and XCode - Experience with pushing apps to the App Store - Willingness to work during EST time for at least 3 - 5 hours The apps created will have a diverse range of functionalities, including user authentication, push notifications, and in-app purchases. They will cater to a broad audience, ranging from the general public to business professionals. The ideal candidate for this position will have: - Proven experience in Swift programming and iOS app ...

...bid: "I understand and agree to the terms and conditions set forth in the project description. I agree that not following instructions will be grounds for termination and project cancellation without release of any pending milestones." Note I am not willing to change the terms. If you do not like the terms, please do not waste my time and bid on the project. Do not autobid either. Thanks! When posting backlinks in articles, I would also like one of the backlinks to linked to using the same anchor text below: 1 - Personal Injury Lawyers Close to Me 2 - Family Lawyer Close to Me 3 - Lawyers Close to Me 4 - Truck Accident Lawyers Close to Me 5 - Car Accident Lawyers Close to Me 6 - Uber Accident Lawyers Close to Me 7 - Boat Accident Lawyers Close to Me 8 - Personal Inj...

I'm looking for a Google Ads specialist to help drive website traffic effectively and efficiently. Key Requirements: - Proficient in Google Ads: You should have a strong understanding of the platform's features, including keyword targeting, ad placement, and budget management. - Experience in Website Traffic Generation: You should have a proven track record of increasing website traffic through Google Ads campaigns. - Target Audience Knowledge: An understanding of the professional demographic (aged 25-40) is essential. You should be able to tailor ad content to resonate with this group. Your primary goal will be to increase website traffic amongst professionals aged 25-40. I'm looking for a professional who can effectively manage and optimize the campaign, e...

I need a dedicated LinkedIn Specialist to refine and manage our company's LinkedIn presence. Responsibilities: - Post three times a week, maintaining a consistent and engaging schedule - Connect with HR professionals and key decision-makers, aiming to cultivate a ...must translate our successes and milestones into compelling, shareable posts that will resonate with our LinkedIn audience. Ideal Skills: - Proven experience managing LinkedIn profiles for businesses - Excellent networking and relationship-building skills - Strong content creation and curation ability - Proficiency in LinkedIn's analytics and tracking tools This role is about more than just posting; it's about creating a dynamic, professional online presence that will help us establish strong relations...

As someone requiring assistance with craigslist postings, I'm specifically looking for an expert who's in tune with financial service postings, particularly under the category of credit repair. The emphasis of this project is credit counseling. Your expertise should ideally cut across the following: - Deep experience in creating engaging and effective craigslist postings - Background in financial service postings, specifically credit repair - Solid understanding of credit counseling language and how to appeal to targeted clients - Superior communication skills, being able to capture complex concepts in easy-to-understand postings. Your application will stand out if you are able to demonstrate a history of success in these areas. I look forward to your proposals and consequen...

I'm looking for an enthusiastic and passionate individual or team from Indonesia who can lead TikTok live streams in English to promote my products. Key Responsibilities: - Conducting engaging, entertaining and informative live streams - Promoting and showcasing my products in a natur...the audience, answering their questions and encouraging participation Ideal Skills and Experience: - Fluent in English - Experience in hosting live streams, preferably on TikTok - Passion for and understanding of product promotion - Excellent communication and presentation skills - Ability to engage with an audience and encourage participation Please note that I am specifically looking for an entry-level individual or team with less than a year of experience, so please only apply if you meet...

I'm looking for someone who can help me identify and find the owners of commercial properties in London. Key R...properties in London. Key Responsibilities: - Research and identify owners of a specified list of commercial properties in London - Compile data on the owners and their contact information in a spreadsheet The ideal freelancer for this project would have: - Strong research skills, especially in identifying ownership of commercial properties - Experience in data entry and management, particularly in spreadsheet format - High level of accuracy and attention to detail - Excellent communication skills, as you may need to verify information Please provide a brief overview of your experience in identifying property owners, and any relevant experience in...

I need a Flutter developer to work on an exciting project, should speak Arabic. The app sells and buys things, it is an e-commerce app multi-vender. please attached your work links

I'm in search of a social media advertising expert to oversee and optimize campaigns for my Shopify store. The desired skills and experiences are as follows: - Proficient in managing Facebook Ads, Google Ads, Instagram Ads, and TikTok - A strong track record in ecommerce, particularly with Shopify - Solid understanding of conversion strategies, and a proven ability to drive sales - Experienced in ad campaign optimization and A/B testing - Ability to commit to a 3-month campaign duration - Proven ability to meet and exceed sales targets The primary goal of this project is to boost sales. I'm looking for someone who can take initiative, optimize campaigns for conversions, and drive real results in a three-month time frame. If you fit the profile and are confident in your...

...will provide all of the content. *Ad Campaigns* You will also be responsible for managing and creating our ad campaigns across these platforms. This includes monitoring performance, adjusting the campaigns to improve reach and engagement, and ensuring they are in line with the brand. *SEO and Analytics* A key part of this role is analyzing engagement and performance metrics. This data will be crucial in helping us understand what's working, what's not, and what we can adjust for better results. Experience in SEO would also be beneficial. The overall goal of this project is to increase brand awareness. In order to achieve this, I'm looking for someone with demonstrated experience in creating social media strategies, managing ad campaigns, and...

We are looking for skilled technical content writers who specialize in advertising technology (AdTech) and related blogging topics. This role requires some understanding of the digital advertising industry, including programmatic advertising, ad networks, SSPs, and other related technologies. Responsibilities: Write high-quality, informative, and engaging blog posts and articles that cater to our target audience in the AdTech sector. Collaborate with our marketing team to align content with business goals and SEO strategies. Conduct thorough research to ensure accuracy and credibility in all content. Adhere to deadlines and content calendars.

I'm seeking a freelancer with solid experience in crafting effective proposals. Your main focus will be on crafting job proposals specifically for the logo design industry. Key Requirements: - I need someone who has a proven track record of creating persuasive, professional and detail-oriented job proposals. - You should have a good understanding of the logo design industry. - You shou...detail-oriented job proposals. - You should have a good understanding of the logo design industry. - You should be adept at identifying selling points and presenting them in a clear and compelling way. - Previous experience in the design field would be a plus. Please note: I'm not looking for automated or AI-generated proposals. Your writing should be original and tailored specifically for each...

I'm looking for a skilled digital marketer to help me achieve multiple goals for my business. Your focus will be on increasing website traffic, generating leads, and boosting brand awareness across local, national, and international customer bases. My budget for this project is between $500 - $1000. Key Responsibilities: - Develop an...generation, and brand awareness through digital marketing. - An understanding of how to effectively target and engage multiple customer segments. - Excellent communication skills to convey the brand's message across different audiences. The ideal candidate will be adept at using a mix of digital marketing tools and techniques to help my business reach its goals. on SEO, SMO, SMM, Paid Ads / Google Search Ad, Email Marketing And ASO i.e, Ap...

I have a sizable amount of numeric data that needs to be inputted from handwritten documents. This is a meticulous task that requires attention to detail as the data must be entered accurately. Key tasks include: - Transcribing data from handwritten documents into a digital format. - Ensuring the data is accurate during the entry process. Skills/Experience required: - Proficient in data entry, especially numeric data. - High level of accuracy and attention to detail. - Previous experience with handwritten document data entry is preferred. - Understanding and application of data validation techniques.