{"id":92279,"date":"2022-06-27T09:33:04","date_gmt":"2022-06-27T09:33:04","guid":{"rendered":"https:\/\/www.fita.in\/?p=92279"},"modified":"2023-10-09T06:37:33","modified_gmt":"2023-10-09T06:37:33","slug":"sql-interview-questions-and-answers","status":"publish","type":"post","link":"https:\/\/www.fita.in\/sql-interview-questions-and-answers\/","title":{"rendered":"SQL Interview Questions and Answers"},"content":{"rendered":"

The SQL database language is a powerful database language that can be used in a variety of ways to manage data. SQL is the most commonly used database management system in the world. It is used by companies of all sizes, from small businesses to large corporations. With SQL, you can easily manage and query data. The FITA Academy offers this Introduction to <\/span>SQL Course in Chennai<\/b><\/a>, which will give you the skills you need for a successful SQL interview.<\/span><\/p>\r\n

It is a language that can be used in a variety of different applications. If you’re considering a career in database development, or if you’re just looking to brush up on your skills, these SQL interview questions and answers from FITA Academy are a great place to start.<\/span><\/p>\r\n\r\n

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<\/i><\/i>Q1<\/span>. What is a Database?<\/a><\/h4>\r\n<\/div>\r\n
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A database is a collection of information organised into records within tables. For example, there might be customers, orders, inventory, etc. Each record represents something about one customer, order, item, etc.<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n

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<\/i><\/i>Q2<\/span>. What is SQL?<\/a><\/h4>\r\n<\/div>\r\n
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SQL stands for Structured Query Language. It is a computer programming language. The main purpose of SQL is to help people access, modify, organize, store, and retrieve data in a relational database.<\/p>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n

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<\/i><\/i>Q3<\/span>. What is Data in SQL?<\/a><\/h4>\r\n<\/div>\r\n
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In general, data refers to any information stored in a computer. This includes text files, spreadsheets, databases, web pages, and so on. The stored information is called \u201cdata\u201d.<\/p>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n

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<\/i><\/i>Q4<\/span>. Why do we use SQL?<\/a><\/h4>\r\n<\/div>\r\n
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SQL was designed to make it easier to work with data. Before SQL came along, programmers had to create their own programs to manipulate data. There were no standard commands or procedures like in SQL. Nowadays, everything from personal computers to huge supercomputers have SQL installed as part of their operating systems.<\/p>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n

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<\/i><\/i>Q5<\/span>. How does SQL compare to C++\/Java\/C#?<\/a><\/h4>\r\n<\/div>\r\n
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SQL is similar to Java<\/a> and C# but not quite the same. Unlike other languages, SQL has its own syntax and keywords. You won’t find anything like this in C++<\/a> or Java.<\/p>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n

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<\/i><\/i>Q6<\/span>. What are the Types of Databases?<\/a><\/h4>\r\n<\/div>\r\n
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There are many types of databases, and these are the major ones.<\/p>\r\n\r\n