SQL Server 2008 delete large amount of data
1, Write it in the front. - it's not easy to say love you
...
Oracle RAC 12.2.0.1 Patch 30920127(Apr 2020)
Oracle RAC 12.2.0.1 Patch 30920127(Apr 2020)
...
[Oracle] about database character coding modification
String encoding is not uniform, which will lead to import exceptions, display garbled code and other problems. Here is t...
js-Flexible and Splittable Responsibility Chain Model
Refer to JavaScript Design Patterns and Development Practices, which has been explored and strongly recommended.
...
User and Rights Management for MySQL
In MySQL 5.7.24, information about users and user permissions is stored in the user table of mysql library, which can be...
Failure handling of Oracle database startup report ORA-00600 [kkdlcob-objn-exists]
*Author's introduction*****Original Creator: Lose SeriouslyContact number: 18081072613WeChat, QQ:18081072613Reprint to i...
Stored procedure - exception capture & printing exception information
catalog 0. Background 1. Create the exception information table ErrorLog 2. Establish a stored procedure to save except...
Implementation of formula library based on groovy
formula
Formula library based on groovy impl...
Introduction and principle analysis of flagger
brief introduction Flagger It can make the application publishing process running on k8s system fully automatic (unatten...
Mysql dual host hot standby and implementation of Mysql dual host and high availability with preserved
There are two ways of mysql hot standby:
Hot standby of m...
Install Oracle 11.2 silently under Centos7
Dependent packages (including 64 bit and 32-bit packages)
...
Python notes: drawing nine visual graphics with Pyecharts
First install the module
conda install pyecharts perhaps ...
Python 3 automated file batch processing (text, PDF; read, filter, export)
With the concise syntax of Python 3 script language and the rich class library of advanced language, several "scrip...
(Reprint) SpringData JPA advanced - JPA one to many, many to many
Link: https://blog.csdn.net/qq_36662478/article/details/89111437 Primary key generation strategy in JPA   &e...
Thoughts on Additions and Modifications in Mybatis-plus
One finishing touch When we operate on a database, the additions and modifications are twin brothers, and in most case...
Logging user login information using init_connect parameter
Note: The content of the article originated from the Internet and was based on our own experiments; however, the address...
docker mysql8 master-slave configuration
The mysql of this pull is version 8, which is used to build master-slave replication
...
Solve 1032 error report of online master-slave replication
The reason for the error is that the master database service is restarted abnormally, which causes the slave database re...
The magic of indexers: reading configuration files
GPS platform, website construction, software development, system operation and maintenance, find Senda network technolog...
Design Mode (Java Language) - Prototype Mode
Prototype Pattern, also known as Clone Pattern, is a creative design pattern used to create duplicate objects, providing...
Instructions for mysql5.7 General tablespace
Note: the content of the article originated from the network and was obtained through our own experiment; however, the r...
Oracle (PLSQL) introduction 7
Learning video: https://www.bilibili.com/video/BV1tJ411r7EC?p=74 Design database steps: Good database design: save space...
From zero to achieve a word to fight game practice Chapter 6: to achieve friend word to fight
The core of the realization of the war is to watch Based on the encapsulation of webSocket, the cloud development data s...
Java learning notes 48 (DBUtils tool class I)
As can be seen from the example in the previous article, when adding, deleting, modifying and querying, a lot of code is...
Oracle automatic data backup
1, Oracle automatically backs up single table data for one month Mode 1: three step processing (batch file creation, sql...
Which is more efficient about the select statement with the maximum id + 1 in the table?
Requirement: take the maximum id value + 1 in the stock table as the next id value.
...
Java learning notes 50 (DBCP connection pool)
In actual development, connecting database is a very resource consuming operation. However, we need to connect database ...