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springboot 启动类有两大核心: 一个是注解@SpringBootApplication,一个是main方法里面的SpringApplication.run。1、通过main方法 启动springboot 2、首先进入SpringAplication类run方法 3、run方法新建Sprin 阅读全文
摘要:
grant select, insert, update, delete on 表名 to 被授权用户名; grant select, insert, update, delete on smz.ORGTREE to qzqd; 阅读全文
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select (select count(*) from T_CATALOG_MESSAGE t where 1=1 and t.DATA_VALID_FLAG='1' and STATE='2' and YWTYPE!='3' and t.sqcj='1')bm, (select count(*) 阅读全文
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--查询锁表的ID SELECT SESS.SID, SESS.SERIAL#, LO.ORACLE_USERNAME, LO.OS_USER_NAME, AO.OBJECT_NAME, LO.LOCKED_MODE FROM V$LOCKED_OBJECT LO, DBA_OBJECTS AO, 阅读全文