Oracle中字段相加
SELECT ZIDUAN1||ZIDUAN2 AS ZIDUAN FROM TABLE(合并) SELECT ZIDUAN1||'AND'||ZIDUAN2 AS ZIDUAN FROM TABLE Oracle的CONCAT()只允许两个参数；换言之，一次只能将两个字串串连起来。不过，在Oracle中，我们...
SELECT ZIDUAN1||ZIDUAN2 AS ZIDUAN FROM TABLE(合并) SELECT ZIDUAN1||'AND'||ZIDUAN2 AS ZIDUAN FROM TABLE Oracle的CONCAT()只允许两个参数；换言之，一次只能将两个字串串连起来。不过，在Oracle中，我们...
由于Oracle11G的新特性所致，经常会遇到使用sqlplus登陆oracle数据库时提示“ORA-28002: 7 天之后口令将过期”等情况。 在Oracle 11G 创建用户时缺省密码过期限制是180天， 如果超过180天用户密码未做修改则该用户无法登录，提示“ORA-28...
1 START SQL> connect system/manager as sysdba; SQL> startup open INSTANCE_NAME OR: SQL> connect system/manager as sysdba; SQL> startup mount INSTANCE_NAME; SQL> alter database open; 2 STOP SQL> conne...
今天做网站的时候发现ASP.NET报了个错 Attempt to load Oracle client librariesthrew BadImageFormatException. This problem will occur when running in 64 bitmode with the 32 bit Oracle client components installed. 意思是当...