create or replace procedure prc_table_count(p_flag out varchar2) AS TCOUNT number; SCOUNT number; COUNTSQL ); BEGIN TCOUNT:; SCOUNT:; FOR c_row IN ( select table_name from SYS.USER_TAB_COMMENTS t WHERE T.table_name LIKE 'ZZJG%' ) LOOP COUNTSQL:='sele
题目:Prediction of an Upper Limit for the Fraction of Interprotein Cross-Links in Large-Scale In Vivo Cross-Linking Studies 期刊:Journal of Proteome Research 发表时间:July 3, 2019 DOI:10.1021/acs.jproteome.9b00189 作者及单位: Andrew Keller——Department of Genome S
探索Oracle之数据库升级七 11gR2 to 12c 升级完毕后插入PDB 前言: 从Oracle 12c開始,引入了容器数据库的概念,能够实现数据库插拔操作,例如以下图: 如今我们就来看看怎样将11.2.0.4的数据库插入到12c的CDP里面去,让其成为一个PDB 数据库. 一.查看数据库信息: SQL> col BANNER format a80 SQL> set line 300 SQL> select * from v$version; BANNER CON_I
1. 默认安装之后会有一个可插拔数据库:pdborcl 2. 启动根容器: [oracle@eric ~]$ export ORACLE_SID=orcl [oracle@eric ~]$ sqlplus / as sysdba SQL*Plus: Release 12.1.0.2.0 Production on Wed Jan 21 16:00:06 2015Copyright (c) 1982, 2014, Oracle. All rights reserved.Connected to a
1.查看数据库表数量SELECT count(TABLE_NAME) FROM information_schema.TABLES WHERE TABLE_SCHEMA='dbname'; 2.获取mysql下所有数据库表的数量 SELECT COUNT(*) TABLES, table_schema FROM information_schema.TABLES GROUP BY table_schema; 3.获取指定数据库的表的数量 SELECT COUNT(*) TABLES, tabl