標籤:在SQLPLUS下,實現中-英字元集轉換alter session set nls_language=‘AMERICAN‘;alter session set nls_language=‘SIMPLIFIED CHINESE‘; 主要知識點:一、有關表的操作1)建表create table test as select * from dept; --從已知表複製資料和結構create table test as select * from dept where 1=2;
標籤:最近在做公司的項目中遇到一個問題,多級級聯導覽功能表,雖然只有三級目錄,但<li>中嵌套<ul>,資料庫表結構如下:1 CREATE TABLE FLFL 2 ( 3 ID NUMBER NOT NULL, 4 MC NVARCHAR2(20), 5 FLJB NUMBER, 6 SJFLID NUMBER 7 )
標籤:一, 複製表結構及資料create table z_xudebiao_test as select * from v_topic v where v.adddate > to_date(‘2016-01-01 00:00:00‘,‘yyyy-mm-dd hh24:mi:ss‘);二, 複製表結構create table z_xudebiao_test as select * from v_topic v where 1=2或者create
標籤:近期部署在生產環境的應用突然無法訪問,查看應用日誌發現無法擷取資料庫連接。 SystemErr R Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connectionSystemErr R at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:359)SystemErr R
標籤:一資料庫伺服器執行shutdown immediate時,遇到了下面ORA錯誤,如下所示: $ sqlplus / as sysdba SQL*Plus: Release 10.2.0.4.0 - Production on Fri Aug 5 10:56:24 2016 Copyright (c) 1982, 2007, Oracle. All Rights Reserved. Connected to:Oracle