SHOW INDEXES [FROM|IN] 语法图 示例 MySQL 兼容性 另请参阅 SHOW INDEXES [FROM|IN] SHOW INDEXES [FROM|IN] 语句用于列出指定表上的索引。SHOW INDEX [FROM | IN] 和 SHOW KEYS [FROM | IN] 是该语句的别名。包含该语句提供了 M...
DAYOFYEAR() Description Syntax Arguments Examples Constraints DAYOFYEAR() Description Returns the day of the year for date, in the range 1 to 366. Syntax > DAY...
Explain Statements Using Partitions Explain Statements Using Partitions The EXPLAIN statement displays the partitions that TiDB needs to access in order to execute a query. Bec...
REVOKE <privileges> Synopsis Required privileges Parameters Examples Revoke privileges on databases Revoke privileges on specific tables in a database Revoke privileges on all...
CREATE INDEX Description Syntax Explanations CREATE UNIQUE INDEX Examples CREATE INDEX Description Create indexes on tables to query data more quickly and efficientl...