Oracle

1. Packages are equivalent to classes in Java2. The high efficiency of the package is due to the fact that when the program first invokes the in-package function or procedure, Oracle calls the entire package into memory, and when the elements inside

"Failure Phenomenon"February 8, 2015, oracle10.2.0.4 Single instance database, suddenly crash, but into the reboot run recovery. Check Alert.log log found the following "ORA-00600, ORA-27091, ORA-27072" error message.Errors in

CREATE TABLE Space/* divided into four steps *//* Step 1th: Create a temporary tablespace */Create temporary tablespace user_tempTempfile ' D:\oracle\oradata\Oracle9i\user_temp.dbf 'Size 50mAutoextend onNext 50m maxsize 20480m//If the maximum value

In the development process, the need to constantly back up database objects, especially stored procedures, each time the manual backup is very low-energy AHAfter several modifications finally, perfect, O (∩_∩) o haha ~ (of course, you can also

The following is number examples for the to_char function. To_char (1210.73, ' 9999.9 ') Would return ' 1210.7 ' To_char (1210.73, ' 9,999.99 ') Would return ' 1,210.73 '

Today reinstall ORACLE11G, suddenly in the detection times the following error:Environment variable: "Path"-this test checks whether the length of the environment variable ' path ' does not exceed the Recommended length. Expected value  : 1023

An Oracle database startup issue that results from the loss of registry entries in the Windows registry.Environment Description:1.windows 2008 Operating System X64bit2.Oracle Database 11.2.0.1 32bit3.sqlplus/as sysdba not go in,

People doing database development or management often want to create a large number of test data, there will be tens of thousands of things, if one entry, it will waste a lot of time, this article describes how Oracle in a SQL to quickly generate a

Before giving you a specific introduction to Oracle Hints, let us first understand what Oracle Hints is and then fully introduce Oracle Hints, which I hope will be useful to you. The cost-based optimizer is very smart, and in most cases it chooses

One, install the Ubuntu 13.04 Server 64-bit version (the simplest to install), and then install all the following accessories #apt-get update  #apt-get Dist-upgrade # Apt-get Install Automake autotools-dev binutils bzip2 doxygen elfutils expat

First, create"Project" Designer-Projects, click the Insert item icon, In the Project dialog box, under the Definition tab, enter the project name, such as Odi_exercise, to save second, import knowledge module Project → knowledge module →

AdditionSelect Sysdate,add_months (sysdate,12) from dual; --plus 1 yearsSelect Sysdate,add_months (sysdate,1) from dual; --Add JanuarySelect Sysdate,to_char (sysdate+7, ' Yyyy-mm-dd HH24:MI:SS ') from dual; --plus 1 weeksSelect Sysdate,to_char

System: CentOS64 + oracle11g x86_641. Close the firewall,# Vi/etc/selinux/configModify the selinux=disabled, and then restart.If you do not want to restart the system, use the command Setenforce 02, the establishment of script build.sh,# vim

Too many steps too thin only record key places 1 Download Mac OS system installation package *.DMG then use UltraISO to convert the software into *.iso image file. Tools--Format conversion 2 downloads vbox and extension are to be installed: 3

The simplest way to rebuild EMFour steps:Emca-repos DropEmca-repos CreateEmca-config Dbcontrol DBEmctl Start DbconsoleThe detailed procedure is as follows:[Email protected] admin]$ Emctl stop DbconsoleOracle Enterprise Manager 11g Database Control

Introduction to Autonomous TRANSACTION (Autonomous affairs)In the process of doing some projects based on the lower version of Oracle, sometimes there are some headaches, such as the need to record some information to the trace table for each step

Oracle442 application scenarios --------- database logical object management application scenarios Use Case 128: create a temporary table Create a temporary table temp_goods Create global temporary table temp_goods(GoodsId NUMBER,GoodsNum

Oracle Database creation, startup, and Shutdown Oracle Database creation, startup, and Shutdown Purpose: (1) master the creation and deletion of the Oracle 11g Database. (2) master the startup and shutdown of Oracle database instances. Content: 1.

Oracle Learning (1): basic syntaxAfter logging on to and installing Oracle with the basic Oracle syntax, enable the Oracle service in services, run cmd, and enter sqlplus scott/Your scott PasswordConnection successful. Screen recording and

Windows Oracle ODBC installation and configuration Environment: Windows 7, 32-bit OS1. Download the driver package The official Oracle website can be downloaded.Base package: instantclient-basic-win32-10.2.0.4.zipOdbc package: