Getting started with Linux: Create a MySQL database using the command line

Getting started with Linux: Create a MySQL database using the command line Q: On a MySQL server running somewhere, how can I create and install a MySQL database through the command line? To create a MySQL database through the command line, you can

MySQL master-slave replication configuration case

MySQL master-slave replication configuration case A master-slave MySQL replication configuration case where the environment is 111.111.111.110 and the slave database is 111.111.111.111. 1. Create a dedicated user for database replication in the

ORA-00600 [kjctr_pbmsg: badbmsg2]

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Vip address not visible in MySQL MMM Architecture

Vip address not visible in MySQL MMM Architecture After you build a high-availability MySQL MMM (Master-Master Replication Manager) architecture, you cannot see the vip address, after finding a large number of articles on the Internet and observing

Incremental Backup solves the log GAP in the DataGuard Database

Incremental Backup solves the log GAP in the DataGuard Database Sometimes the standby database lags behind the primary database for a long time, and the archive log of the primary database does not exist. How can we eliminate the log interval at

Create a tablespace in Oracle

Create a tablespace in Oracle Note: 1. If you open it in PL/SQL or other tools, directly modify the [italic bold part] in the following code to execute 2. Make sure that the path exists, for example, [D: \ oracle \ oradata \ Oracle9i \], that is,

Oracle 11g flash back archiving Technology

Oracle 11g flash back archiving Technology Oracle flash back Data Archiving Oracle flash back data archiving can be used to automatically track and archive data in tables with flash back data archiving enabled. This ensures that the flashback query

Use MySQL-MMM for MySQL cluster deployment

Use MySQL-MMM for MySQL cluster deployment Background: The mysql synchronous replication function (as described in my previous article) is only a dual-machine hot backup function, and cannot automatically switch the Mysql link. This configuration

Oracle global temporary table pitfalls

Oracle global temporary table pitfalls The person in charge at the customer's site called me at a.m. and said it was strange that the downloading feature was slow. This download feature is very complex and I have been optimizing it for a long time.

Difference between truncate table and delete, truncatetable

Difference between truncate table and delete, truncatetable Truncate table requires the drop table permission, which completely clears a table. Logically, the truncate table is the same as the delete table, or the drop table + create table is the

Hadoop mapreduse debugging environment in Eclipse, hadoopmapreduse

Hadoop mapreduse debugging environment in Eclipse, hadoopmapreduse After the environment is set up, debug the mapreduse program. However, an error occurs constantly. I hate setting in my OS environment variables, including linux. You usually like to

Single-row oracle Functions

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A bird's eye view of database system principles and database system principles

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Monitor the remaining time of SQL Execution, and monitor the remaining time of SQL

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[MongoDB] The Access control of mongodb, mongodbaccess

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Oracle view Summary (create, query, modify, delete, etc.), oracle View

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Mysql SQL Statement Review 2 -- Regular Expressions and mysql Regular Expressions

Mysql SQL Statement Review 2 -- Regular Expressions and mysql Regular Expressions Here, we will briefly review the usage of Regular Expressions in mysql when filtering data. This mainly refers to an example for each usage or a brief description. The

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A simple example shows Oracle's "selfless" robustness, and the example oracle is selfless. Oracle's strength lies in its ability to always help you choose the right execution plan, even if you give it wrong instructions. Lab: 1. Create a test table:

Debug oracle stored procedures in PL/SQL Developer.

Debug oracle stored procedures in PL/SQL Developer.Author: iamlaosong Alas, in the real world, I used Toad and used dbms_output.put_line to debug the stored procedure. I only thought it was inconvenient. After PL/SQL Developer was used, I still used

Use JDBC to change the session parameter NLS_DATE_FORMAT and oraclenlslang of Oracle

Use JDBC to change the session parameter NLS_DATE_FORMAT and oraclenlslang of Oracle Except for one problem recently, this is probably the case. The project is developed abroad and a large number of Oracle functions TO_DATE are used in the project

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