An explain plan can help you to analyze the efficiency and logic of your SQL query, and to compare different query options or rewrite strategies. Add your perspective Help others by sharing more ...

An explain plan is a report that shows how the database engine will execute a given SQL query. It provides information such as the execution order, the access methods, the join methods, the ...

Technical documentation for Microsoft SQL Server, tools such as SQL Server Management Studio (SSMS) , SQL Server Data Tools (SSDT) etc. - MicrosoftDocs/sql-docs ...

The `EXPLAIN` statement shows the execution plan for a query without executing it. It is complimented by `EXPLAIN ANALYZE` which will execute the query. If the output of `EXPLAIN` does not match the ...

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and ...

I just took a test for a state DBA position on DB2/SQL and IMS. One of the questions was something like: "What is the EXPLAIN command and how is it used?"<BR><BR>I almost answered "Honestly, I ...