SHOW CONTRIBUTORS SHOW CREATE DATABASE db_name SHOW CREATE EVENT event_name SHOW CREATE FUNCTION func_name SHOW CREATE PROCEDURE proc_name SHOW CREATE TABLE tbl_name SHOW CREATE TRIGGER trigger_name SHOW CREATE VIEW view_name SHOW DATABASES [like_or_where] SHOW ENGINE engine_name {STATUS | MUTE...
The thread got a notification that the underlying structure for a table has changed and it needs to reopen the table to get the new structure. However, to reopen the table, it must wait until all other threads have closed the table in question. This notification takes place if another threa...
The thread got a notification that the underlying structure for a table has changed and it needs to reopen the table to get the new structure. However, to reopen the table, it must wait until all other threads have closed the table in question. This notification takes place if another threa...
下列选项中,用于查看索引是否被使用的 SQL 语句是A.SHOW CREATE TABLE 语句B.EXPLAIN 语句C.DESC 语句D.以上选项都正确
百度试题 结果1 题目4.查看student表基本结构的SQL语句是()。A.show studentB.show create studentC.show create table studentD.describe student 相关知识点: 试题来源: 解析 答案:describe student 反馈 收藏
state 列,显示使用当前连接的 sql 语句的状态,很重要的列,后续会有所有的状态的描述,请注意, state 只是语句执行中的某一个状态,一个 sql 语句,已查询为例,可能需要经过 copying to tmp table ,Sorting result , Sending data 等状态才 可以完成, info 列,显示这个 sql 语句,因为长度有限,所以长的 sql 语句...
state 列,显示使用当前连接的 sql 语句的状态,很重要的列,后续会有所有的状态的描述,请注意, state 只是语句执行中的某一个状态,一个 sql 语句,已查询为例,可能需要经过 copying to tmp table ,Sorting result , Sending data 等状态才 可以完成, info 列,显示这个 sql 语句,因为长度有限,所以长的 sql 语句...
create sequence seq custid start createtable cust cust id smallint nullinsert tablecust values seq cust nextval 日期的各部分的常用的的写法 119 取时间点的年份的写法 SELECT CHARSYSDATE YYYY FROM DUAL 120 取时间点的月份的写法 SELECT CHARSYSDATE MM FROM DUAL 121 取时间点的日的写法 SELECT CHAR...
百度试题 结果1 题目查看student表基本结构的SQL语句是()。 A. show student B. show create student C. show create table student D. describe student 相关知识点: 试题来源: 解析 describe student 反馈 收藏
查看student表基本结构的SQL语句是()。A、show studentB、show create studentC、show create table studentD、describe student搜索 题目 查看student表基本结构的SQL语句是()。 A、show student B、show create student C、show create table student D、describe student 答案 解析...