Oracle

Using system;using system.data;using System.Data.OleDb;　　 ///query Oracle stored procedures via OLE/////& lt;/param>// public static DataTable gettodolist (string id) { String connString1 = "PROVIDER=ORAOLEDB.ORACLE.1; User id=test;

Transaction:definition: A transaction is a set of logical units containing one or more statements, each of which is an atomic unit, the statement in the transaction as a whole, either committed together, on the database, the database data is

In the Oracle 11g R2, the features of the scan (single Client Access Name) are introduced. The advantage of this feature is that between the database and the client, added a layer of virtual service layer, is called the scan IP and scan IP Listener,

# ********************************# * Dba_oracle_awr.SH# ********************************# Usage:dba_oracle_awr.SH-s [instance_name]#-F [From Time]# -T [to Time]# -p [Report type, HTML or text]#-h [Oracle home]#-N [TNS admin]## TimeFormat'Yyyymmddhh2

Import jar Package in Oracle to import the required jar package, we put the edited Java class into a jar package, directly in the oarcle to write a simple call on it,1, the operating system needs to have a JDK that supports the Loadjava command. 2,

First describe the DMP file:Typically, the backup files exported by the Oracle database through the EXP or EXPDP commands are terminated with DMP.This file is an Oracle logical backup file that is commonly used for database logical backups, database

zwt2001267 Original Oracle EM cannot access1. cmd Control start em:C:\users\administrator>emctl Start Dbconsoleenvironment variable oracle_unqname not defined. Please set Oracle_unqname to database unique name.C:\users\administrator>Set

Problems encountered during installation:1. When creating an Oracle user, it is best to specify the home directory, the general is/opt/oracle, the default/home/oracle is also possible.2. In the "Add host name and IP address corresponding" step, be

A detailed explanation of the use of Exp,imp in OracleBasic syntax and examples:1. EXP:There are three main ways (full, user, table)1. Complete:EXP System/manager buffer=64000 file=c:\full. DMP full=yIf you want to perform a full export, you must

In the actual work, will inevitably encounter serial number generation problem, the following is a simple sequence number generation function(1) Create a custom serial number configuration table as follows:--Custom SequencesCreate TableS_autocode

1. If you have permission to delete a user, you can:Drop user user_name cascade;Add the cascade can delete the user data.Delete and then create the user.--Create an administrator userCreate user username identified by password default tablespace

First, let's create a new table space. Open Navicat for Oracle and enter the relevant connection information. Such as:Fill in the correct information, after the connection. We click on the "Table space" option under "Other" on the panel, such

Database to run in archive mode:Archive Log ListShutdown immediateStartup MountALTER DATABASE Archivelog;ALTER DATABASE open;Archive Log ListHot Backup Users Table space:(1) Test environment related Information viewCreate a backup

Create user drop users lztest4 cascade;create user Lztest4 identified by lztest123;alter user Lztest4 default Tablespace common_cab Le;grant Connect, resource,dba to Lztest4; drop user lztest3 cascade;create user lztest3 identified by Lztest123;alte

background : as a dba,oracle database migration is often the thing to encounter, just recently I was also migrating a business system, the database is Oracle, by the way record.Description : to make it easier to explain, the old database is called

Never give up, everything is possible!!!Only to find a way to succeed, not to find excuses for failure!Introduction to Oracle Index summary1. Description1) An index is one of the database objects used to speed up the retrieval of data, similar to

Never give up, everything is possible!!!Only to find a way to succeed, not to find excuses for failure!Oracle Connection Summary (internal, external, natural, cross-connect, self-connected) 1. Brief introduction 1) The connection of two tables is

This example：Remotely connect the cloud host via ssh, upload the oracle11g installation package, and silently install oracle11g on centos6.5 without a graphical interface. involving tools and environment：1. Local Environment WINDOWS7+SSH Remote

RPM-IVH http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-7.noarch.rpmRPM-IVH http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpmRPM--import/etc/pki/rpm-gpg/rpm-gpg-key-epel-6Yum Install RlwrapSu-oracleecho

This is a 7788-piece:": =" is an assignment statement such as: l_name: = ' sky ';"=" is the determination of equality. such as: if 1=1 then ...":" is a variable binding such as: if:P _name = ' sky ' then ...Variable binding refers to the use of