Oracle Monitoring System Error Log Process

Oracle Monitoring System Error Log Process -- Create a temporary table to store system error informationCreate table superflow (cust_id number (10), cust_name varchar2 (100), d varchar (50), error_info varchar2 (500), client_ip varchar2 (50),

Oracle 11g uses slave backup to restore the standby Database

Oracle 11g uses slave backup to restore the standby Database Oracle 11g uses slave backup to restore the standby Database 1. Start backing up the slave DatabaseFirst, check the path of the control file, redo, undo file, and data file. 1.1 disable

RMAN backup and recovery-parameter file Restoration

RMAN backup and recovery-parameter file Restoration In RMAN, "restoration" and "restoration" have different meanings. "restoration" refers to accessing the previously generated backup set to obtain one or more objects, then restore these objects at

How to Use the MySQL event Scheduler

How to Use the MySQL event Scheduler The Event sched feature has been added since MySQL5.1.0. It can be used for scheduled execution of certain tasks and can be seen as a time-based trigger. 1. Enable By default, event scheduling is disabled and

Actual RMAN Migration Operations-additional common commands

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Xtrabackup stream backup, incremental and compression Summary

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Resync of MongoDB replica set members

Resync of MongoDB replica set members Resync of replica set members When the replication fails and lags behind the maximum tolerable range of oplog in primary, the replica set Member changes to stale ). The node cannot catch up with the master node

How to deal with ORA-08102 fault after forced OPEN database

How to deal with ORA-08102 fault after forced OPEN database There will be a lot of legacy issues after forcing the OPEN Database with implicit parameters, such as the need to re-create the UNDO tablespace, there will also be a ORA-08102 Error Just

A MongoDB Stress Test Written in Python

A MongoDB Stress Test Written in Python A MongoDB Stress Test Written in Python $ Pip install pymongo #! /Usr/bin/env python# Coding = UTF-8# Author: Ca0Gu0 From pymongo import MongoClientImport datetime, time   Class MongCli (object ): Def _ init _

Oracle 11g online reconstruction table

Oracle 11g online reconstruction table Before Oracle9i appeared, you can only re-define the table by moving or exporting and importing the table. Therefore, the table redefinition process may be quite long or offline, during this period, the

Oracle proposes to use G1 as the default Garbage Collector for Java 9

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MongoDB replication errors and Handling Methods

MongoDB replication errors and Handling Methods Run rs. status () on the master node to view the corresponding errormsg. The specific solution is as follows: 1. Error creating index 13111 field not found, expected type 16 This error occurs when you

SQL Server 2016: Row-level security

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FORALL and bulk collect statements for Oracle databases

FORALL and bulk collect statements for Oracle databases Let's take a look at the execution process of PL/SQL blocks: When the PL/SQL runtime engine processes a piece of code, it uses the PL/SQL engine to execute Procedural Code, the SQL statement

How to rename a MySQL database

How to rename a MySQL database [Preface] One of the databases needs to be backed up for business needs, and then imported into a brand new database; it is the fastest and easiest way to directly modify the name of the current database for backup.

Method 1 for modifying schemas in Oracle

Method 1 for modifying schemas in Oracle Because of service requirements, you need to rename one of schemas. You can find two rename methods after Oracle 11.2.0.2. Method 1: Use the import/export method to modify schemas.• Do a user-level export

RMAN backup and recovery-full recovery and Incomplete recovery

RMAN backup and recovery-full recovery and Incomplete recoveryGlossary: As the name suggests, full recovery means that the index data has not been lost. Incomplete recovery refers to the loss of some data after recovery. They are two recovery

Oracle 11g rac crs disk recovery after loss

Oracle 11g rac crs disk recovery after loss I. Overview In order to facilitate the test of related problems, I set up a RAC environment on the local machine. However, after opening the environment yesterday, I found that RAC could not be started.

Expdp encountered ORA-31693 & amp; ORA-00922

Expdp ORA-31693 & ORA-00922 Expdp ORA-31693 & ORA-00922The following error is reported when executing expdp:ORA-31693: Table data object "HQ_X1". "B3901_P" failed to load/unload and is being skipped due to error:ORA-00922: missing or invalid

Regular functions in SQL

Regular functions in SQL There are four functions that support regular expressions in Oracle:1. REGEXP_LIKE: similar to LIKE, it is much more powerful than LIKE.2. REGEXP_INSTR: similar to INSTR.3. REGEXP_SUBSTR: similar to SUBSTR.4. REGEXP_REPLACE:

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