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What is difference between SQL, T-SQL and PL/SQL?

Today, we are going to see another common and interesting SQL interview question, what is the difference between SQL, T-SQL and PL/SQL? It is also one of the most common doubt among SQL beginners. It's common for programmers to think that why there are many types of SQL languages, why not just single SQL across DB? etc. Well, let's first understand the difference between SQL, T-SQL and PL/SQL and then we will understand the need of these dialects. SQL is standard for querying, inserting and modifying data in relational database. It is categorized into DDL and DML and powerful enough to create a database objects e.g. table, view, stored procedure and can perform CRUD operation (SELECT, INSERT, UPDATE, and DELETE) query.
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This post first appeared on Javarevisited: Blog About Java Programmin, please read the originial post: here

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What is difference between SQL, T-SQL and PL/SQL?

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