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  How to get a real execution plan

  In general, we can use the following four methods to get the execution plan of the target sql: (1) explain plan command (2) dbms_xplan package (3) autotrace switch (4) 10046 event in sqlplus, except for the fourth

  2022-06-01 14:05:55 Views: 238
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  InnoDB- independent tablespaces smooth migration

  1. Background * tablespaces for InnoDB can be shared or independent. In the case of shared tablespaces, all tablespaces are placed in one file: ibdata1,ibdata2..ibdataN. In this case, there should be no way to migrate tablespaces at present.

  2022-06-01 14:05:52 Views: 219
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  How to configure user name and password for phpmyadmin

  How does phpmyadmin configure the user name and password? Many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can gain something. PhpMyAdmin is a PH

  2022-06-01 14:05:51 Views: 236
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  Common mistakes and Solutions of phpmyadmin

  What this article shares with you is about the common mistakes and solutions of phpmyadmin. The editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article. 1.phpmyadmin

  2022-06-01 14:05:51 Views: 227
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  Oracle dataguard password file error troubleshooting

  Rac 11.2: phenomenon: one of the log node files in the two nodes of the main library can be transferred to the standby database, and the other node reports an error in the password file: 2019-03-22 10 25VR 30.445000 + 08:00Error

  2022-06-01 14:05:51 Views: 276
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  What if phpmyadmin cannot log in with root

  What if phpmyadmin cannot log in with root? I believe that many inexperienced people are at a loss about this, so this article summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem. PhpMyAdmin is a PHP-based, with

  2022-06-01 14:05:51 Views: 254
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  Optimization of COUNT (*) by InnoDB under MySQL 5.7

  In MySQL 5.7COUNT (), a clustered index is selected and an internal handler function call is made to quickly get the total number of the table. The execution plan shows: before Extra:Select tables optimized away5.7

  2022-06-01 14:05:43 Views: 252
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  Xe6+firedac connection sybase

  First, the Win7 X64 system installs sybase odbc:1, downloads the corresponding package to c:\ system_odbc (the folder name is taken by yourself, which is needed later in the registry content), and then you need to add the directory to the path environment variable. 2. Add the value information.

  2022-06-01 14:05:43 Views: 244
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  Converting to Oracle Real Appl

  Converting to Oracle Real Application Clusters from Single-Instance Oracle DatabasesThis chapter des

  2022-06-01 14:05:42 Views: 258
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  Exchange2013&2016 deletes the default mailbox database

  Exchange2013&2016 delete default mailbox database We first check which databases are currently available Get-mailboxdatabaseGet-mailboxdatabase view the specified database information to get the default number of mailboxes

  2022-06-01 14:05:12 Views: 203
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  Records in the MYSQL-- operation data table

  Record 1 in the MYSQL operation data table puts the selected column name to the foremost ALTERTABCE table name MODIFY column name and the type of column name FIRST;2 modifies column name type ALTERTABCE table name MODIFY column name

  2022-06-01 14:05:12 Views: 281
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  Upgrade Oracle GI 11.2.0.4_to_12.1.0.2

  12.1.0.2 has been released for some time, with the increase in the number of users, the current 12C version stability, as well as all aspects of functionality, has been recognized by everyone. Many users need to upgrade the database from low version to 12C. This paper makes a detailed record of the upgrade process. (suddenly remembered

  2022-06-01 14:05:12 Views: 240
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  Heartbeat detection of DB2 HADR

  Between Primary and Standby of DB2, several db2pd-db xxx-hadr monitoring indicators HEARTBEAT_INTERVAL (seconds) related to this heartbeat are detected by sending heartbeat signals.

  2022-06-01 14:05:11 Views: 293
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  The method of modifying root password by MySQL

  When we use MySQL, we often need to change the password of root users for different reasons. This blog mainly introduces several ways to change the password of root users. Before setting the root password: the method of the SET PASSWORD command: mysql-

  2022-06-01 14:05:11 Views: 236
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  Error of manual establishment of ASM disk group by Oracle 10g-- ORA-15106

  Oracle 10g manual ASM disk group error-- ORA-15106 system environment: operating system: RedHat EL5 (64) Oracle software: Oracle 10gR2 failure phenomenon: 12:47:25 SYS@ +

  2022-06-01 14:05:11 Views: 207
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  Oracle replication data table structure

  Create table RNS_PS_HO1_MSC_RAw as select * from RNS_PS_HO1_MSC_RAW@oracle_oss where1=0 description: where1=0

  2022-06-01 14:05:11 Views: 250
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  Oracle Study---Oracle 11g Invisible Index case

  Oracle Study---Oracle 11g invisible index case Oracle 11g compared to the previous version, introduced many new features, one of which is invisible index (invisible index). From Oracle 11g

  2022-06-01 14:05:10 Views: 238
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  ALERT: root.sh Fails With "CLSRSC-400"

  1. Applicable to Oracle Database-Enterprise Edition-Version 12.2.0.1 and laterLinux x86-64 RHEL 7.3 installation RAC2, description

  2022-06-01 14:05:10 Views: 216
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  Oracle backup strategy

  RMAN > CONFIGURE RETENTION POLICY TO REDUNDANCY 2th rman > CONFIGURE RETENTION POLICY TO RECOVERY WINDOW

  2022-06-01 14:05:10 Views: 272
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  Use the MS sql CDC function to record user login

  Part of this article is reproduced from: SQLCDC http://www.cnblogs.com/artech/archive/2010/11/20/cdc.htmlSharePoi, a sharp tool for tracking and recording data changes in each business operation.

  2022-06-01 14:04:53 Views: 240