Subqueries are queries nested within another ... where user input is directly inserted into an SQL statement. This can allow an attacker to execute malicious SQL commands on the database, such ...

Subqueries and Common Table Expressions (CTEs) are powerful SQL tools that allow data analysts to break down complex queries, improve readability, and perform advanced data manipulations. As a data ...

Therefore, in the process of processing, TiDB will try to Decorrelate of Correlated Subquery to improve the query efficiency at the execution plan level. The following statement is to query authors ...