用户指南PawSQL优化平台2. 输入待优化SQLSQL文本本页总览SQL文本用户从文本框输入合法的SQL语言,支持以";"分割的多个SQL语句.支持的SQL语句类型selectupdatedeleteinsert ... selectmergereplace支持的数据库类型MySQLPostgreSQLOpenguassMaria(alpha)Oracle(alpha)SQL语句例子select * from customer where c_custkey = (select max(o_custkey) from orders where subdate(o_orderdate, interval '1' DAY) < '2022-12-20')