MySQL user database creation method

MySQL user database creation method MySQL user database creation method: Create a database bkjia, add a user named doiido with the password bkjia.com, and only have permissions on the bkjia database. 1. logon Method # Mysql-u root-p 2. Create a

Use Python to send MySQL slow log emails

Use Python to send MySQL slow log emails Requirement 1Because development performs Stability Construction for a system, it is necessary to audit the slow logs of the database system and check and optimize the system. Communicate with developers by

An example of setting MySQL auto-start fault in Ubuntu

An example of setting MySQL auto-start fault in Ubuntu Run the following command to solve MySQL self-startup in Ubuntu: # Chkconfig -- listThe program 'chkconfig' is currently not installed. You can install it by typing:Apt-get install chkconfig If

Temporary tables, external tables, and partition tables in Oracle

Temporary tables, external tables, and partition tables in OracleTemporary table In Oracle, a temporary table is "static". It only needs to be created once like a common data table. Its structure is valid from creation to deletion. Compared with

How to view the innodb version in MySQL

How to view the innodb version in MySQL How to view the innodb version in MySQL SELECT * FROM information_schema.plugins \ G The innodb version of mysql 5.6.3-m6 is 1.2.3. View the version method to see the major version SELECT * FROM

Parameter Adjustment when deploying MongoDB

Parameter Adjustment when deploying MongoDB Deploy the MongoDB production server and give the following suggestions: Use a virtualized environment; System Configuration 1) recommended RAID configuration RAID (Redundant Array of Independent Disk,

SQL Server C # connection and object existence judgment

SQL Server C # connection and object existence judgment This article provides a comprehensive overview of C # database connection. For C # connection to ms SQL Server, sqlconnection is primarily used. The authentication mode is windows integrated

Status values related to MySQL query statement statistics and query Cache

Status values related to MySQL query statement statistics and query Cache The status values Com_select, Queries, Questions, Qcache_hits, Qcache_inserts, and Qcache_not_cached output by 'show global status' in MySQL have been somewhat confused, now

Oracle 10046 events

Oracle 10046 events 10046 events Oracle 10046 is an Oracle internal event. The most common method is to set SQL _trace (alter Session set SQL _trace = true) at the session level, that is, to enable the 10046 debugging event of level 1. After a 10046

Stored Procedures, database Stored Procedures

Stored Procedures, database Stored Procedures As mentioned in the previous blog, when the child form overrides the GetdbName method of the parent form, you only need to return the database table to be operated. This blog explains why you only need

Upgrade Goldengate 11.1.1.1.2 to 11.2.1.0.1, goldengate

Upgrade Goldengate 11.1.1.1.2 to 11.2.1.0.1, goldengateConfiguration environment: Source:OGG:11.2.1.0.1Name:zbdba1Target:OGG:11.1.1.1.2Name:zbdba2 Upgrade Target to the same version as the source. Backup Target ogg installation directory: [Root @

Management of user permissions in the background database design, management of user permissions in the background

Management of user permissions in the background database design, management of user permissions in the background From prism school-online IT education www.prismcollege.com 1. Create a basic table Create three tables: User, Role, and Module. each

OGG-01496, OGG-01031

OGG-01496, OGG-01031 The pump process reports the following error: 01:20:49 ERROR OGG-01496 Oracle GoldenGate Capture for Oracle, ext2.prm:./dirdat/sa000000, at RBA 2295. The tail file does not exist on the target end. It may be because the

Understanding the storage structure 2, understanding the Storage Structure

Understanding the storage structure 2, understanding the Storage Structure Next http://blog.csdn.net/ashic/article/details/44117867In the previous article, we dumped L1 L2 L3 blocks. Now let's take a look at the information they contain.

DB link migration (the password in dblink is unknown), dbdblink

DB link migration (the password in dblink is unknown), dbdblinkI don't know if DBAs sometimes encounter such a situation where the Public db link is used for Schema migration. However, the target account password in db link is unknown, therefore,

In Linux OS, oracle database and listener are started as the OS is started, and lelistener is enabled.

In Linux OS, oracle database and listener are started as the OS is started, and lelistener is enabled.   [oracle@hvrhub hub]$ cat /etc/oratab# # This file is used by ORACLE utilities. It is created by root.sh# and updated by either Database

Path to mathematics-sas memo (10), path to mathematics-sas memo

Path to mathematics-sas memo (10), path to mathematics-sas memo Merge combines two or more data sets. Libname saslib "k: \ sas "; DataSaslib. goodsprice; Input id name $ price6.2; Datalines; 1 mouse 35.6 2 Keyboard 28.95 3 mouse pad 8.2 4 headsets 29

Correctly install the SQL server database and SQL server database

Correctly install the SQL server database and SQL server database-IIS function requirements (warning)MessageIIS functional requirementsMicrosoft Internet Information Service (IIS) is not installed or disabled. Some SQL Server functions require IIS.

MySQL installation (source code installation mode) and mysql source code installation mode

MySQL installation (source code installation mode) and mysql source code installation mode MySQL installation (RPM installation mode) and directory structure MySQL installation (Binary installation mode) MySQL installation (source code installation

MongoDB Reading Notes (via3.0) (00) _ [Overview] (02) _ mongoDB3.0 mongod startup method test, _ mongodb3.0mongod

MongoDB Reading Notes (via3.0) (00) _ [Overview] (02) _ mongoDB3.0 mongod startup method test, _ mongodb3.0mongod Mongod startup I originally wanted to write the non-test mode cluster architecture of Replica, but it was really tricky to download 3.0

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