Database Administrator

ORA600 [13011] logical error analysis and solution for tables and index data I. Problem Overview 1. database environment: Oracle Database 11.2.0.3.0 for Oracle Linux Server release 6.4, RAC, Virtual Machine 2, inspection found a Database alert. log

When does MySQL use indexes or do not use indexes? Index: You can use indexes to quickly access specific information in database tables. An index is a structure that sorts the values of one or more columns in a database table, for example, the name

Install DB2 V10 and Data Studio V3 in a Linux (Ubuntu) Environment This document describes how to install a DB2 database in Linux. The Linux version used is Ubuntu 12.04. The DB2 version is DB2 Express-C V10.1 Linux 32-bit, that is, the Community

[Oracle11g, 8] data dictionary and Character Set, oracle11g Character SetI. Data Dictionary: oracle's data dictionary records the metadata of database management. It is a core file of life and death for databases. 1. Place the data dictionary in the

Transmission of Struts2 and jqGrid parameters, and transmission of struts2jqgrid Recently, jqGrid was used in the project to display data. However, I have never understood how data is transmitted. In jqGrid, The rowNum parameter defines how many

Python data storage series tutorials-mongodb database operations in python: connection, addition, deletion, query, modification, multi-level path, pythonmongodb Full stack engineer development manual (Author: Chen Xiaoyu) Full python tutorial

Repeat the data center and refer to the previous physical model. As a result, some problems have occurred while attaching the database. The following is a summary. 1. Failed to append the database. Error 5120 For this error, I collected it online

Mongodb series: first recognized by Mongodb and first recognized by mongodb Series I. background: We are honored to have taken part in the examination system maintenance at the beginning of the month. (For more information, see the activities we

1. OverviewThe Oracle EM11g database needs to be migrated. The main steps are as follows: 1. Disable OMS 2. Back up the current database and restore it to the new server. 3. Update OracleEM OMS database connection Configuration 4. Start OMS This

Last Review: This article mainly describes the Neo4j Spatial project and space data (vector) storage. This article describes how to integrate Neo4j Spatial with Neo4j Server and GeoServer. Noted: it is feasible to integrate with Geoserver, but

Oracle 11g slave uard Duplicate physical standby database configuration (1) physical standby database creation Configuration# Ver: 1.5 fifth Modification# Modify: 2013.8.16# Author: koumm Read more: Configure Oracle 11g replicuard test and create a

The SQL Server Client Configuration tool is used to configure the client tool (except the DOS-based client tool) so that it can successfully communicate with SQL Server. This program should be run after the client tool is loaded. In most cases, you

Atitit. Oracle 9 10 11 12 new features attilax summary, oracle12c New Features New Features of atitit. Oracle 9 10 11 12 1. ORACLE 11G new feature 1 1.1. oracle11G new feature 1 1.2. Audit 1 1.3. 1. Audit Overview 1 1.4. Others (mostly management

MySQL parameter binlog-do-db affects binlogs writing, mysqlbinlogdodb1. Environment Description Objective: When binlog-do-db is set in the database, the impact on binlog write under different binlog_format = statement | row | mixed may be poor in

C # synchronize data in the SQL Server database-Database Synchronization tool [synchronize new data],C # synchronize data in the SQL Server database 1. Write an SQL processing class first: using System;using System.Collections.Generic;using

Oracle fine-grained audit and oracle fine-grained AuditTake the scott user's emp table as an Example ---- Add a policyBeginDBMS_FGA.ADD_POLICY (Object_schema => 'Scott ',Object_name => 'emp ',Policy_name => 'mydomainy1 ',Handler_schema =>

The following example shows how to use a MySQL client to install a new user. These examples assume that the permission has been installed by default. This means that, in order to change, you must be on the same machine that MySQL is running, you

For example, the database administrator needs to enable the Oracle database system to perform self-monitoring. When the server's CPU usage reaches, the system automatically sends an alarm to the database administrator. When the tablespace usage

INSERT Process Overview First, let's take a quick look at the processing steps when inserting a row. Each step in these steps has the potential for optimization, which will be discussed later. 1. prepare statements on the client. For dynamic SQL

There are many discussions about Automatic Storage Management (ASM), but what is ASM? ASM is an effective abstraction layer that enables your Oracle database to be used together with an abstract space called diskgroups, rather than directly using