Abstract: This paper proposes a SQL injection detection method by analyzing substructure of SQL statement. The proposed method consists of 2 parts, Automated Common Substructure Extracting (ACSE) and ...

An overview of the usage of ALTER TABLE for the TiDB database. /docs/dev/sql-statements/sql-statement-alter-table/ /docs/dev/reference/sql/statements/alter-table/ ...

The IKEA LACK table series is iconic for its simplicity and affordability. Both the side table and coffee table are lightweight, come in two different sizes, and also have a few different finishes.

* [`ADD`](/sql-statements/sql-statement-add-index.md)，[`DROP`](/sql-statements/sql-statement-drop-index.md)，或 [`RENAME`](/sql-statements/sql-statement-rename ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...