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Essential SQL Interview Questions is a document available to read on EtoBox.

What is Essential SQL Interview Questions about?

The document contains questions and answers about SQL. It discusses SQL statements like SELECT, INSERT, DELETE, and concepts like joins, aggregation, sorting results. Some key points: - SELECT is used to retrieve data from a database table - INSERT inserts new records into a table - DELETE removes records from a table - DISTINCT eliminates duplicate values in SELECT results - JOINs combine data from two or more tables - GROUP BY and HAVING are used to group and filter aggregated results - LIKE allows part

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