Today, I will introduce you to the selection principles of fields in the database design process, that is, when to use int, when to use varchar, when to use char, etc.

Others 2022-04-21 07:41:34 views: 0

NoSuchKey

Guess you like

Origin http://43.154.161.224:23101/article/api/json?id=324529843&siteId=291194637

Today, I will introduce you to the selection principles of fields in the database design process, that is, when to use int, when to use varchar, when to use char, etc.

Why is compilation OK, when I use Invoke method, and not OK when I return Func<int,int> directly?

When should I use streams?

When to use interfaces, when to use abstract class?

When to use abstract classes and when to use interfaces?

When should i use /*+ APPEND */ during INSERT

When should I use BLoC pattern in Flutter?

When exactly should I use MQ?

When should I use iter function?

When should I use @Component instead of @Service?

What is std :: move (), When should you use?

When should you use c # property Property

When do you need to use RTOS?

How to use event and when to use

When to Use Entity or DTO

When to use CountDownLatch?

Exactly when to use MQ?

When to use delegates c #

Exactly when to use MQ

When to use python class

use of case ... when ... end ...

When to use ConcurrentKafkaListenerContainerFactory?

less (7) the use of when

when to use map and forEach

Use of CASE WHEN and decode

Hamcrest When to use Is or equalTo

Use of CASE WHEN and decode

When to use beforeDestroy

In the use of struts2 tags, when to use # and when not to use #

How to directly use plsql to connect to the database when the oracle database is not installed

Recommended

Ranking

linux100day (day7) - user management and rights management brief

Spring receiving json string to java objects

Introduction Redis cache database

8. RTP OVER RTSP / TCP RTSP server

-bash: ssh-copy-id: command not found

[Tutorial] Linux systems and databases to share practical and private cloud operation and maintenance of video tutorials

solidity notes (10) - using for usage - 2021.5.17

SQL-SQL Introduction

Millet phone battery consumption faster and faster, enter these numbers, such as a strong new machine life

202. Happy Number python

Daily

2025-01-19(0)

2025-01-18(0)

2025-01-17(0)

2025-01-16(0)

2025-01-15(0)

2025-01-14(0)

2025-01-13(0)

2025-01-12(0)

2025-01-11(0)

2025-01-10(0)