Oracle

How to recover from a good data fileOracle DatabaseIt may be a problem that has plagued many users. If so, do not miss the following content. The following is a detailed summary of how to restore the oracle database from a good data file, hoping to

The following functions are compiled inWrite OracleDatabaseStorageI believe that the functions written in the process will be very helpful to you. What is important is that the functions are quite versatile. Therefore, I would like to share them

Oracle triggersIt is a special stored procedure. To store Oracle triggers, you must understand the syntax of Oracle triggers. The following describes the triggers in detail: ORACLE triggers The syntax for ORACLE to generate database triggers

Oracle DatabaseInLog FilesIt is one of the most important files in the oracle database. once lost, it will cause a lot of unnecessary troubles for the use of the oracle database. Therefore, it is particularly important to solve the problem of

InOracle DatabaseDuring the operation, DBA should monitor the database running logs and table space usage, and detect problems in the database as soon as possible. The routine maintenance of Oracle databases is also very important. The following

Redo faultYesOracle DatabaseIf a fault occurs during the operation, the Oracle database operation fails due to the fault, the following describes how to recover Redo faults in Oracle databases. I. Recovery of lost inactive Log File groups: Because

Even if you win MySQL, Oracle still needs to digest open source databases. However, Oracle and IBM's database market competition has started. It seems that Oracle has not been able to attack open source databases. The battle for MySQL has ended.

Oracle DatabaseWhat are the differences between the Rank, Dense_Rank, and Row_Number functions? In practical applications, how should we choose? This article describes these in combination with examples. First, create an employee information table

Buffer Cache The database buffer cache is the portion of the SGA that holds copies of data blocks read from datafiles. all user processes concurrently connected to the instance share access to the database buffer cache is part of sga and is used to

Oracle 10gIn the database, you need to set workarea_size_policy to AUTO, and set the pga_aggregate_target parameter to implementPGAOfMemory Management. Next we will introduce the implementation of this setup process. First, take a look at the

This article providesOracleDatabases andSybaseThe database queries SQL statement commands Based on the pid, hoping to help you. Oracle queries SQL statements based on the system pid: select sql_text from v$session s,v$process p,v$sql s1    

After we introduced the configuration of direct connection to the Oracle database through the SDE service and how to modify the maximum number of connections of the SDE, This section describes how to enable automatic server kickingSDE dead

InOracle DatabaseWe often useTimer JobTo automatically execute scripts, back up databases, refine data, or optimize database performance, including re-indexing. However, the processing of Oracle timer Job time is ever-changing and flexible. This

This article describes the usageUTL_INADDRSetOracleSome simple injection knowledge. I hope this introduction will bring you some gains. Next, let's start to introduce it. UTL_INADDR provides a network addressing function. It provides an API to

In useASP. NETWhen developing applications, we will use databases. ASP. NET andOracleIs also relatively common. This document describes how to connect ASP. NET to an Oracle database. Follow these steps to connect ASP. NET to an Oracle database: (1)

OracleIn database operations, we will encounter ProcessingDDL statementAndDML statementsIf the Oracle DDL statement and DML statement need to be processed in one transaction, the method either succeeds or fails. SQL Server and other databases can

JavaCallPL/SQL paging Stored ProcedureThe sample code is the content we will introduce in this article. We first give the code of the PL/SQL paging stored procedure, and then define the SQL statements and strings, finally, I introduced the Java

Oracle temporary tableThe application in actual development is what we will introduce in this article. We know that SQL Server is writing a query-typeStored ProcedureI have always been amazed. Create procedure ps_procedure_name as select * from

OracleDatabaseRow-to-ColumnAndJoin usageIs what we will introduce in this article. We know that the decode function can be used to convert columns in Oracle. Suppose we have the following student Table: ID NAME SUBJECT SCORE

OracleDatabaseGLOBAL_NAMESThe parameter knowledge is what we will introduce in this article. When the GLOBAL_NAMES parameter is set to TRUE, the database link name must be consistent with the GLOBAL_NAME of the connected DATABASE. The following is a