发布时间:2013-10-11 15:57:20
Oracle Database 12c supports proxy authentication to the Oracle database. Proxy authentication is supported over thin and thick JDBC connections and on the command line. Users can authenticate to the database using their own credentials and then proxy to another user in the database. Proxy aut.........【阅读全文】
发布时间:2013-10-11 10:18:50
查看table中的primary key点击(此处)折叠或打开SELECT cols.table_name, cols.column_name, cols.position, cons.status, cons.ownerFROM all_constraints cons, all_cons_columns colsWHERE cols.table_name = 'TABLE_NAME'AND cons.constraint_ty.........【阅读全文】
发布时间:2013-08-20 11:24:39
Subquery FactoringThe WITH clause, or subquery factoring clause, is part of the SQL-99 standard and was added into the Oracle SQL syntax in Oracle 9.2. The WITH clause may be processed as an inline view or resolved as a temporary table. The advantage of the latter is that repeated referenc.........【阅读全文】
发布时间:2013-08-20 10:14:11
如何让别人,非DBA也可以kill session点击(此处)折叠或打开create or replace procedure kill_session( p_sid in number, p_serial# in number )asbegin for x in ( select * &n.........【阅读全文】
发布时间:2013-08-16 09:31:33
一、创建物化视图主要语法create materialized view [view_name] {TABLESPACE (表空间名)}--保存表空间 {BUILD [DEFERRED|IMMEDIATE(默认值)]} --延迟刷新.........【阅读全文】