Home Database Mysql Tutorial mssql sql语优化实例不使用insert语句(1/2)

mssql sql语优化实例不使用insert语句(1/2)

Jun 07, 2016 pm 05:47 PM
mssql sql optimization use Example

mssql sql语优化实例不使用insert语句

/mssql sql语优化实例不使用insert语句
/*

create   table   tb_a    
          (   owner   char(2)   null,        
              skuid   varchar(10)   null,    
              lot   varchar(50)   null,    
              quality   varchar(2)   null,    
              vol   decimal(18,2)   null,
              vol_exchange   decimal(18,2)   null,
              mysort   int
              )    

        create   table   tb_b    
          (   owner   char(2)   null,        
              skuid   varchar(10)   null,    
              lot   varchar(50)   null,    
              quality   varchar(2)   null,    
              vol   decimal(18,2)   null,
              vol_exchange   decimal(18,2)   null,
              mysort   int
              )    

INSERT   INTO   tb_a(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '78 ', '1000164481 ', '071203 ', '0 ',80.00,70.00,1)
INSERT   INTO   tb_a(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '78 ', '1000164481 ', '071202 ', '0 ',60.00,0.00,2) 
INSERT   INTO   tb_a(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '78 ', '1000164481 ', '081203 ', '0 ',30.00,30.00,3)
INSERT   INTO   tb_a(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '78 ', '1000164481 ', '081202 ', '0 ',20.00,20.00,4)
INSERT   INTO   tb_a(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '78 ', '1000164481 ', '081201 ', '0 ',10.00,10.00,5)

INSERT   INTO   tb_b(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '01 ', '1000164479 ', '091201 ', '0 ',18.00,6.00,6)
INSERT   INTO   tb_b(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '04 ', '1000164481 ', '091201 ', '0 ',20.00,0.00,5)
INSERT   INTO   tb_b(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '03 ', '1000164479 ', '091201 ', '0 ',26.00,26.00,4)
INSERT   INTO   tb_b(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '02 ', '1000164479 ', '091201 ', '0 ',28.00,28.00,3)
INSERT   INTO   tb_b(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '08 ', '1000164481 ', '091201 ', '0 ',60.00,0.00,2)
INSERT   INTO   tb_b(owner,skuid,lot,quality,vol,vol_exchange,mysort)
VALUES   ( '06 ', '1000164481 ', '091201 ', '0 ',80.00,70.00,1)

GO

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Roblox: Bubble Gum Simulator Infinity - How To Get And Use Royal Keys
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Nordhold: Fusion System, Explained
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Mandragora: Whispers Of The Witch Tree - How To Unlock The Grappling Hook
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Java Tutorial
1666
14
PHP Tutorial
1273
29
C# Tutorial
1253
24
What is the difference between HQL and SQL in Hibernate framework? What is the difference between HQL and SQL in Hibernate framework? Apr 17, 2024 pm 02:57 PM

HQL and SQL are compared in the Hibernate framework: HQL (1. Object-oriented syntax, 2. Database-independent queries, 3. Type safety), while SQL directly operates the database (1. Database-independent standards, 2. Complex executable queries and data manipulation).

BTCC tutorial: How to bind and use MetaMask wallet on BTCC exchange? BTCC tutorial: How to bind and use MetaMask wallet on BTCC exchange? Apr 26, 2024 am 09:40 AM

MetaMask (also called Little Fox Wallet in Chinese) is a free and well-received encryption wallet software. Currently, BTCC supports binding to the MetaMask wallet. After binding, you can use the MetaMask wallet to quickly log in, store value, buy coins, etc., and you can also get 20 USDT trial bonus for the first time binding. In the BTCCMetaMask wallet tutorial, we will introduce in detail how to register and use MetaMask, and how to bind and use the Little Fox wallet in BTCC. What is MetaMask wallet? With over 30 million users, MetaMask Little Fox Wallet is one of the most popular cryptocurrency wallets today. It is free to use and can be installed on the network as an extension

How to use NetEase Mailbox Master How to use NetEase Mailbox Master Mar 27, 2024 pm 05:32 PM

NetEase Mailbox, as an email address widely used by Chinese netizens, has always won the trust of users with its stable and efficient services. NetEase Mailbox Master is an email software specially created for mobile phone users. It greatly simplifies the process of sending and receiving emails and makes our email processing more convenient. So how to use NetEase Mailbox Master, and what specific functions it has. Below, the editor of this site will give you a detailed introduction, hoping to help you! First, you can search and download the NetEase Mailbox Master app in the mobile app store. Search for "NetEase Mailbox Master" in App Store or Baidu Mobile Assistant, and then follow the prompts to install it. After the download and installation is completed, we open the NetEase email account and log in. The login interface is as shown below

How to use Baidu Netdisk app How to use Baidu Netdisk app Mar 27, 2024 pm 06:46 PM

Cloud storage has become an indispensable part of our daily life and work nowadays. As one of the leading cloud storage services in China, Baidu Netdisk has won the favor of a large number of users with its powerful storage functions, efficient transmission speed and convenient operation experience. And whether you want to back up important files, share information, watch videos online, or listen to music, Baidu Cloud Disk can meet your needs. However, many users may not understand the specific use method of Baidu Netdisk app, so this tutorial will introduce in detail how to use Baidu Netdisk app. Users who are still confused can follow this article to learn more. ! How to use Baidu Cloud Network Disk: 1. Installation First, when downloading and installing Baidu Cloud software, please select the custom installation option.

How to use Xiaomi Auto app How to use Xiaomi Auto app Apr 01, 2024 pm 09:19 PM

Xiaomi car software provides remote car control functions, allowing users to remotely control the vehicle through mobile phones or computers, such as opening and closing the vehicle's doors and windows, starting the engine, controlling the vehicle's air conditioner and audio, etc. The following is the use and content of this software, let's learn about it together . Comprehensive list of Xiaomi Auto app functions and usage methods 1. The Xiaomi Auto app was launched on the Apple AppStore on March 25, and can now be downloaded from the app store on Android phones; Car purchase: Learn about the core highlights and technical parameters of Xiaomi Auto, and make an appointment for a test drive. Configure and order your Xiaomi car, and support online processing of car pickup to-do items. 3. Community: Understand Xiaomi Auto brand information, exchange car experience, and share wonderful car life; 4. Car control: The mobile phone is the remote control, remote control, real-time security, easy

C++ program optimization: time complexity reduction techniques C++ program optimization: time complexity reduction techniques Jun 01, 2024 am 11:19 AM

Time complexity measures the execution time of an algorithm relative to the size of the input. Tips for reducing the time complexity of C++ programs include: choosing appropriate containers (such as vector, list) to optimize data storage and management. Utilize efficient algorithms such as quick sort to reduce computation time. Eliminate multiple operations to reduce double counting. Use conditional branches to avoid unnecessary calculations. Optimize linear search by using faster algorithms such as binary search.

How to use spaces correctly in Go How to use spaces correctly in Go Mar 29, 2024 pm 03:42 PM

Go language is a simple, efficient, and highly concurrency programming language. It is an open source language developed by Google. In the Go language, the use of spaces is very important, it can improve the readability and maintainability of the code. This article will introduce how to use spaces correctly in Go language and provide specific code examples. Why you need to use spaces correctly In the programming process, the use of spaces is very important for the readability and beauty of the code. Appropriate use of spaces can make code clearer and easier to read, thus reducing

The definition and use of full-width characters The definition and use of full-width characters Mar 25, 2024 pm 03:33 PM

What are full-width characters? In computer encoding systems, double-width characters are a character encoding method that takes up two standard character positions. Correspondingly, the character encoding method that occupies a standard character position is called a half-width character. Full-width characters are usually used for input, display and printing of Chinese, Japanese, Korean and other Asian characters. In Chinese input methods and text editing, the usage scenarios of full-width characters and half-width characters are different. Use of full-width characters Chinese input method: In the Chinese input method, full-width characters are usually used to input Chinese characters, such as Chinese characters, symbols, etc.

See all articles