摘要:
建表 阅读全文
摘要:
--查询全表select * from t_hq_ryxx;--查询字段select xingm as 姓名 ,gongz as 工资 from t_hq_ryxx;--链接字段查询select xingm || xingb as 姓名性别 from t_hq_ryxx--去除重复查询select ... 阅读全文
摘要:
//创建一个名为TEST1的表空间CREATE SMALLFILE TABLESPACE "TEST1" DATAFILE 'G:\ORACLE_11G\ORADATA\ORCL\TEST1' SIZE 100M AUTOEXTEND ON NEXT 10M MAXSIZE UNLIMITED LO... 阅读全文
摘要:
--创建表T_HQ_BM2--create table t_hq_bm2 as select * from t_hq_bm;commit;--添加行内容--insert into t_hq_bm2 values ('105','宣传部','22222222');commit;--删除部门编码为105... 阅读全文