Hibernate dynamic multi-database, hibernate Database

Hibernate dynamic multi-database, hibernate DatabaseRecently, the teacher gave me a task. The requirement is as follows:Server A has A table containing several server information. The table fields include: private int id; private String

SQL subquery and stuff functions (convert multiple roles and multiple departments into strings), sqlstuff

SQL subquery and stuff functions (convert multiple roles and multiple departments into strings), sqlstuff USE [erp2015] GO/****** Object: StoredProcedure [dbo]. [GetUser] Script Date: 03/14/2015 13:27:04 ******/SET ANSI_NULLS ONGOSET

B * Tree Index Range Scan of CBO, cborange

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Clear the WRH $ _ LATCH_CHILDREN table and sysauxwrh table in the SYSAUX tablespace.

Clear the WRH $ _ LATCH_CHILDREN table and sysauxwrh table in the SYSAUX tablespace. On Saturday, the system was suddenly woken up by text messages. 63 messages appeared, all of which were in monitoring. The tablespace size exceeded a warning value.

Oracle object type

Oracle object type Oracle object typeObject Type In PL/SQL, object-oriented programmers are based on object types. The object type is a user-defined Composite data type. It encapsulates the data structure and processes and functions used to

[PLSQL] use of the package, plsqlpackage

[PLSQL] use of the package, plsqlpackage**************************************** ********************************* *** Original article: blog.csdn.net/clark_xu Xu changliang's column**************************************** ***************************

Automatically back up the mysql database and send it to the e-mail method, mysqlemail

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Mysql data backup and recovery, mysql backup and recovery

Mysql data backup and recovery, mysql backup and recoveryBackup/recovery policies:1. Regular mysql backup and recovery time that the system can afford should be taken into consideration.2. Make sure that mysql opens log-bin. With binarylog, mysql

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Common MYSQL commands and common MYSQL commandsStart: net start mySql;Enter: mysql-u root-p/mysql-h localhost-u root-p databaseName;List databases: show databases;Select Database: use databaseName;List tables: show tables;Show columns from tableName;

Data segmentation-Atlas introduction and segmentation atlas Introduction

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CBO Full Table Scan, cbofulltablescan

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ORA-28040: No matching authentication protocol, ora-28040matching

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If garbled code is not dead, continue to work hard ..

If garbled code is not dead, continue to work hard .. I thought I had done a good job in dealing with Garbled text, but on this day I gave me a great deal of weight, which made me suffer, self-contained ..... The garbled characters I mentioned here

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ORA-00600 ORA-01565, ORA-27046Yesterday in the Data Pump import and export, suddenly encountered a ude-00008 error, view the log file: Errors in file /oracle/afcprd01/db/10.2.0/admin/afcprd01_afcdb/bdump/afcprd01_dbw0_1417220.trc: ORA-00600:

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