Oracle

One of the top 10g features of Oracle is the Advisory Framework, which is a collection of optimization consultants that can help you make full use of your database. One of them, the SQL Access Advisor, recommends that you change the indexes and

Today, we encountered an AIX system BUG where the Oracle database could not be started or even Nomount, And the instance Crash immediately after Nomount.The reported error is that PMON cannot be started.Extract alarm log information:PMON started

The Oracle synonym (synonyms) is literally an alias. Similar to the attempted function, it is a ing relationship. This topic describes how to create a synonym statement, delete a synonym, and view a synonym statement.Summary of oracle Synonyms:The

The stored procedure is written by flow control and SQL statements. The procedure is compiled and optimized and stored on the database server. You only need to call FienReport for use. There are two steps to call the Oracle stored procedure: Step 1:

Using script files to manage Oracle databases has great advantages. For example, you can reduce the command input. For example, you can save the commands that pass the debugging test so that you can use them again when needed. For example, you can

LieHuo. Net Oracle tutorialThe database I use is oracle 10.2.0, the global database name is orcl. local, And the SID is orcl. After an instance of the oracle database is created, it can be connected from the local machine, as follows: Sqlplus/nolog

Batch File [backup. bat] p.s: Never name this batch file exp. bat smartly; otherwise ......, If you are interested, try it.@ Echo offREM ============================================== ====================REM backup data under the rsdlouter account

To sum up the basic knowledge of oracle, oracle is composed of instances and databases. The structure is as follows: Oracle databases consist of instances and databases: * A database consists of data files (including oracle Data, indexes, table

IN is mainly used to input parameters, which can be variables, constants, and expressions. The value cannot be changed within the subroutine.Copy codeThe Code is as follows:DECLAREN NUMBER: = 10;PROCEDURE do_something (N1 in number)

Oracle client NLS_LANG settingsOracleWindowsMicrosoftUnixBash1. Composition of the NLS_LANG ParameterThe NLS_LANG parameter consists of the following parts:NLS_LANG = _. The meanings of NLS_LANG are as follows:LANGUAGE:-Oracle message

First, write a batch processing file and give an example.Copy codeThe Code is as follows:Set rq = % date :~ 0, 10%Exp system/system's password @ local service name file = d: \ backup \ bak % rq % full = yes log = d: \ backup \ bak % rq % buffer = 655

1. Start-> Run. Enter SERVICES. MSC to the service and stop all Oracle SERVICES;2. Start-> Program-> Oracle-OraHome81-> Oracle Installation Products-> Universal Installer. Uninstall all Oracle Products, but the Universal Installer cannot be deleted;3

Delete a user using the oracle command line:Copy codeThe Code is as follows:Connect/as sysdba;Shutdown abort;Startup;Drop user user1 cascade;Exit Create a user using the oracle command line:Copy codeThe Code is as follows:Create user user1Identified

[Q] How to query special characters, such as wildcards % and _[Q] how to insert single quotes to database tables[Q] how to set transaction consistency[Q] How to Use the cursor to update data[Q] How to customize exceptions[Q] convert decimal to

However, there is a simple method to execute the cmd command:SQL> host net userUser accounts for \ PC-ATQHJ4UG1SDA----------------------------------------------------------------------------_ Vmware_user _ admin AdministratorASPNET Guest

For example: 2000-1-1 ==> 2000-01-01, 2000-01-1 ==> 2000-01-01, 2000-1-01 ==> 2000-01-01I used to write a function/procedure script and a large number of IF ELSE scripts...This time, we accidentally discovered that oracle10g already supports the

Oracle databases are favored by more and more enterprises for their high reliability, security, and compatibility. Many database administrators are concerned about how to maintain excellent performance of Oracle databases. Based on my experience, we

We all know that before 9i, It is very troublesome to obtain statements for creating tables and indexes. We can use export with rows = no, but its output cannot be used directly due to format issues. Another method is to write complex scripts to

The ORACLE tutorial is: Oracle common error diagnosis. ORACLE errors are detailed in the ORALCE documentation, but the causes and measures are not detailed. This article focuses on how to solve these errors. 　　1, ORA-12571, ORA-03113, ORA-03114, ORA-

The ORACLE tutorial is: Oracle also has the injection vulnerability. Recently, well-known websites such as MSN and Jiangmin have been threatened and attacked by hackers. The editorial department of this newspaper received a call from the author of