Database Administrator

Compile and install MySQL 5.6.20 in CentOS 6.5 Overview:MySQL 6.5 installed through yum in CentOS 5.1 is old, so I want to install the later version 5.6.20 through the source code. Body:I. Uninstall the old versionRun the following command to check

Oracle ORA-16014 troubleshooting ORA-16014: log 3 sequence #9147 not archived, no available destinations ORA-00312: online log 3 thread 1: '/U01/app/Oracle/oradata/omsdb/redo03.log' Mon Apr 22 19:10:28 2013 ***************************************

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Real-Time SQL Monitoring using DBMS_SQLTUNE, dbmssqltune Real-Time SQL Monitoring reports are available from three locations: Enterprise Manager-Click the "Performance" tab, then the "SQL Monitoring" link at the bottom-right of the page to display

Delphi (Tuxedo, BDE, ADO) three-in-one dataset component HsTxQuery and tuxedohstxquery Delphi (Tuxedo, BDE, ADO) three-in-one dataset component HsTxQuery I. background Why is this three-in-one dataset component required? In the past, most of the

Oracle creates users and backs up and restores databases. -- Create the user create user XX identified by "" default tablespace USERS temporary tablespace TEMP profile DEFAULT password expire; -- Grant/Revoke role privileges grant connect to XX ;

MySql database uses SQL statements to set encoding, mysql Database SQL statements-- View All character codes Show character set; -- View the commands for creating a database and the encoding used by the databaseShow create database dbtest; -- View

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SQL converts rows and columns, and SQL converts rows and columns. Name Subject Score Niufen Chinese 81 Niufen Mathematics 88 Niufen English 84 Zhang San Chinese 90

Hibernte configuration and junit test notes, hiberntejunit notesHibernate ConfigurationJunit TestImport static org. junit. Assert .*;Public class HibernateTest {SessionFactory factory = null;Session session = null;// Initialize data before testing@

First understanding of MySQL stored procedures, mysql stored proceduresStored Procedure is a set of SQL statements for specific functions. It is compiled and Stored in the database, you can call and execute a stored procedure by specifying its name

Usage of input, out, And inout parameters in MySQL stored procedures, mysqlinoutStored procedure parameters: You can declare parameters in the brackets of the stored procedure. Syntax: create procedure p ([in/out/inout] parameter name parameter type

Rejected-tragic ORA-01017: invalid username/password; logon denied error, ora-01017denied Oracle is not installed locally. oracle client and PL/SQL Developer are installed. To visualize the oracle database. Failed to log on when using PL/SQL login,

Database architecture components and architecture Components 1. Oracle's important position and extensive application in the company. 2. In the Oracle overview, the role of root is emphasized, that is, the overall Oracle architecture. If you have

Oracle PL/SQL Composite data type, oraclepl Composite data types can be roughly divided into two types. The first type is record type, which is suitable for processing single row and multiple columns of data, a bit similar to VO in java; the first

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Slow mysql subquery and mysql subqueryWhen you use the explain tool to view the execution plan of the SQL statement, if the select_type field contains "DEPENDENT SUBQUERY", you should note that, you have fallen into the slow mysql subquery "pit "...

Comprehensive Analysis of SQL server connections between left and right, comprehensive analysis of SQL Three Common connection resolutions for SQL SERVER databases:   Here is an official explanation: Left join returns records that include all

Online query of synonyms and synonyms 1. Create: -- Create the synonymCreate or replace synonym CPS_ROLE_PERMISSIONFor CPSSYS. CPS_ROLE_PERMISSION @ ORA11G @ UCC_BICP;   2. View Select * from all_objects t where t. owner like 'lbi _ % 'and t. OBJECT_

C # summary, I remember that when I first started the mentoring meeting and talked about the progress, master learned C # And Dawei made meeting records. We didn't know how to write them. We were so wide-eyed that we had to ask Master, now I have