Solution to Oracle TNS-12535: TNS: Operation timeout

Solution to Oracle TNS-12535: TNS: Operation timeout System Environment: OEL6.5 _ x86 Database Version: Oracle 11g 11.2.0.3.0 Client environment: Windows 7 flagship edition x86_64 I. [fault symptom] After the "Oracle Client" is installed on the

How to configure complex password verification settings for Oracle 11g

How to configure complex password verification settings for Oracle 11g ---- View the password-related parameter configuration information in the default profileSQL> SELECT profile, resource_type, resource_name, limit FROM dba_profiles WHERE resource_

How to delete an Oracle 11g cluster node in a Linux and UNIX environment step by step

How to delete an Oracle 11g cluster node in a Linux and UNIX environment step by step Deleting a Cluster Node on Linux and UNIX Systems 1. Check whether the node to be deleted is active or pinned. $ Olsnodes-s-t If pinned, crsctl unpin css-n

MySQL Single-host multi-instance Configuration

MySQL Single-host multi-instance Configuration Test environment: Operating System CentOS 6.4x86 MySQL 5.5.38 1. What is MySQL multi-instance? Multiple MySQL instances enable multiple service ports (such as 3306, 3307, and 3308) on one machine to run

Oracle snapshot Management

Oracle snapshot Management ---- Manually create an Oracle SnapshotBEGINDBMS_WORKLOAD_REPOSITORY.CREATE_SNAPSHOT ();END;/ --- Delete a snapshotFor more information about snapshots, see

Batch export table data from Oracle to CSV files

Batch export table data from Oracle to CSV files Requirement: Import multiple NTS that meet the conditions in the oracledata database into a csv1_file and store them with the table name. CSV as the file name. Implementation: It is implemented

How to bypass the password settings of the Oracle listener

How to bypass the password settings of the Oracle listener How to bypass the password settings for Oracle listening: 1. Find the pid of the listening process and kill it.Ps-ef | grep tns [Oracle @ lixora admin] $ ps-ef | grep tnsRoot 9 2 0 Jul11? 00:

[Troubleshooting] Oracle 11g graphical installation failure

[Troubleshooting] Oracle 11g graphical installation failure System Environment: OEL6.5 _ x86 Database Version: Oracle 11g 11.2.0.3.0 I. [fault symptom] The first graphic interface is displayed when Oracle 11g is installed, and a fault warning

How to obtain the Oracle 11g RAC asm spfile location

How to obtain the Oracle 11g RAC asm spfile location How to obtain the Oracle 11g RAC asm spfile location Method 1:[Root @ vmrac1 ~] # Su-grid[Grid @ vmrac1 ~] $ Sqlplus/as sysasm SQL * Plus: Release 11.2.0.3.0 Production on Thu Jul 3 09:36:27

MySQL-5.5.38 universal binary Installation

MySQL-5.5.38 universal binary Installation 1. System Environment: CentOS 6.5 _ x86 2、mysql-5.5.38-linux2.6-i686.tar.gz The file name format for the MySQL binary distribution is mysql-VERSION-OS.tar.gz, where VERSION is the VERSION number (for

Install MySQL 5.1.69 on CentOS

Install MySQL 5.1.69 on CentOS Install MySQL 5.1.69 on CentOS I. Uninstall the old version Run the following command to check whether MySQL Server is installed. Rpm-qa | grep mysql If yes, run the following command to uninstall it: Rpm-e mysql //

Database Connection Technology-ole db, database connection oledb

Database Connection Technology-ole db, database connection oledbThe previous blog introduced ODBC and JDBC. This is a brief introduction to ole db. The ODBC summary does not know whether it is not posted on the blog or not on this blog. I will try

In Linux, Oracle11G RAC reports an error: file not found in the case of oracle software installation, oracle11grac

In Linux, Oracle11G RAC reports an error: file not found in the case of oracle software installation, oracle11grac In Linux, Oracle11G RAC reports an error: file notfound is reported when oracle software is installed.1. symptom Everything has been

[MySQL Case] mysql local logon-S is invalid, mysql-s

[MySQL Case] mysql local logon-S is invalid, mysql-s 1.1.1. The-S parameter is invalid when mysql is logged on to the local machine. [Environment description] Mysql5.5.14 [Problem description] Multi-instance Configuration   Instance 1

Batch Data insertion in oracle and oracle

Batch Data insertion in oracle and oracle Once a function was developed, tens of thousands of pieces of data provided by others need to be imported, There are about 80 thousand pieces of data in a *. SQL file. Insert into testtable (id, name) values

Concept Structure Design and Billing System Structure Design

Concept Structure Design and Billing System Structure Design The general process of database design must be known to everyone. People who do not know can easily find relevant information on the Internet. Generally, we divide database design into six

High Availability of MySQL-keepalivd + mutual master and slave, mysqlkeepalivd

High Availability of MySQL-keepalivd + mutual master and slave, mysqlkeepalivdObjective: to configure a keepalived Hot Standby architecture and master-slave ReplicationPlanning:Master1 zlm177 192.168.17.177Master2 zlm188 192.168.17.188Vip 192.168.17.

Use of % TYPE and % ROWTYPE in ORACLE, % type % rowtype

Use of % TYPE and % ROWTYPE in ORACLE, % type % rowtype 1% TYPE description To make the data TYPE of a variable consistent with that of another defined variable (especially a column in a table), Oracle provides the % TYPE definition method. When

Hive command line, videohive

Hive command line, videohiveHive command lineHive command line example • execute the specified SQL statement from the command line• $ HIVE_HOME/bin/hive-e 'select a. col from tab1'• Run the specified SQL statement with the specified hive environment

Database optimization tips and database optimization tips

Database optimization tips and database optimization tipsDatabase TIPS ::1. When creating a table for record or data analysis: Use Id as the primary key, 1, 2, 3... indicates the number of messages. The user account id is used as a foreign key. A

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