SHOW 语句 执行 SHOW 语句 SHOW CATALOGS SHOW CURRENT CATALOG SHOW DATABASES SHOW CURRENT DATABASE SHOW TABLES SHOW VIEWS SHOW FUNCTIONS SHOW MODULES SHOW 语句 SHOW 语句用于列出所有的 ca...
LIMIT 语句 LIMIT 语句 Batch LIMIT clause constrains the number of rows returned by the SELECT statement. In general, this clause is used in conjunction with ORDER BY to ensure t...
ORDER BY 语句 ORDER BY 语句 Batch Streaming The ORDER BY clause causes the result rows to be sorted according to the specified expression(s). If two rows are equal according to t...