内嵌或嵌入SQL和存储过程之对比_MySQL
问：为什么我的内嵌SQL或嵌入SQL 要比我的存储过程运行的快？
答：重编译可能是存储过程运行比较慢的原因。要确认这一点，您需要做一些性能测试，例如：看一下每种类型的查询和调用存储过程的“showplan”情况，并比较查询计划的高速缓存命中率和高速缓存缺失率。您还可以试着在存储过程内部为引用表、视图和过程写出对象拥有者。如下面例子所示：
SELECT * FROM dbo.mytable
这样有助于您重新使用计划并防止高速缓存缺失。
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1377
52
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).
In-depth comparison: Vivox100 or Vivox100Pro, which one is more worth buying?
Mar 22, 2024 pm 02:06 PM
In today's smartphone market, consumers are faced with more and more choices. With the continuous development of technology, mobile phone manufacturers have launched more and more models and styles, among which Vivox100 and Vivox100Pro are undoubtedly two products that have attracted much attention. Both mobile phones come from the well-known brand Vivox, but they have certain differences in functions, performance and price. So when facing these two mobile phones, which one is more worth buying? There are obvious differences in appearance design between Vivox100 and Vivox100Pro
Which one has more potential, SOL coin or BCH coin? What is the difference between SOL coin and BCH coin?
Apr 25, 2024 am 09:07 AM
Currently, the potential coins that are favored by the currency circle include SOL coin and BCH coin. SOL is the native token of the Solana blockchain platform. BCH is the token of the BitcoinCash project, which is a fork currency of Bitcoin. Because they have different technical characteristics, application scenarios and development directions, it is difficult for investors to make a choice between the two. I want to analyze which one has more potential, SOL currency or BCH? Invest again. However, the comparison of currencies requires a comprehensive analysis based on the market, development prospects, project strength, etc. Next, the editor will tell you in detail. Which one has more potential, SOL coin or BCH? In comparison, SOL coin has more potential. Determining which one has more potential, SOL coin or BCH, is a complicated issue because it depends on many factors.
Windows 10 vs. Windows 11 performance comparison: Which one is better?
Mar 28, 2024 am 09:00 AM
Windows 10 vs. Windows 11 performance comparison: Which one is better? With the continuous development and advancement of technology, operating systems are constantly updated and upgraded. As one of the world's largest operating system developers, Microsoft's Windows series of operating systems have always attracted much attention from users. In 2021, Microsoft released the Windows 11 operating system, which triggered widespread discussion and attention. So, what is the difference in performance between Windows 10 and Windows 11? Which
12306 How to check historical ticket purchase records How to check historical ticket purchase records
Mar 28, 2024 pm 03:11 PM
Download the latest version of 12306 ticket booking app. It is a travel ticket purchasing software that everyone is very satisfied with. It is very convenient to go wherever you want. There are many ticket sources provided in the software. You only need to pass real-name authentication to purchase tickets online. All users You can easily buy travel tickets and air tickets and enjoy different discounts. You can also start booking reservations in advance to grab tickets. You can book hotels or special car transfers. With it, you can go where you want to go and buy tickets with one click. Traveling is simpler and more convenient, making everyone's travel experience more comfortable. Now the editor details it online Provides 12306 users with a way to view historical ticket purchase records. 1. Open Railway 12306, click My in the lower right corner, and click My Order 2. Click Paid on the order page. 3. On the paid page
How to check your academic qualifications on Xuexin.com
Mar 28, 2024 pm 04:31 PM
How to check my academic qualifications on Xuexin.com? You can check your academic qualifications on Xuexin.com, but many users don’t know how to check their academic qualifications on Xuexin.com. Next, the editor brings you a graphic tutorial on how to check your academic qualifications on Xuexin.com. Interested users come and take a look! Xuexin.com usage tutorial: How to check your academic qualifications on Xuexin.com 1. Xuexin.com entrance: https://www.chsi.com.cn/ 2. Website query: Step 1: Click on the Xuexin.com address above to enter the homepage Click [Education Query]; Step 2: On the latest webpage, click [Query] as shown by the arrow in the figure below; Step 3: Then click [Login Academic Credit File] on the new page; Step 4: On the login page Enter the information and click [Login];
How to set line spacing in WPS Word to make the document neater
Mar 20, 2024 pm 04:30 PM
WPS is our commonly used office software. When editing long articles, the fonts are often too small to be seen clearly, so the fonts and the entire document are adjusted. For example: adjusting the line spacing of the document will make the entire document very clear. I suggest that all friends learn this operation step. I will share it with you today. The specific operation steps are as follows, come and take a look! Open the WPS text file you want to adjust, find the paragraph setting toolbar in the [Start] menu, and you will see the small line spacing setting icon (shown as a red circle in the picture). 2. Click the small inverted triangle in the lower right corner of the line spacing setting, and the corresponding line spacing value will appear. You can choose 1 to 3 times the line spacing (as shown by the arrow in the figure). 3. Or right-click the paragraph and it will appear.
Comparative evaluation of Vivox100 and Vivox100Pro: Which one do you prefer?
Mar 22, 2024 pm 02:33 PM
Comparative evaluation of Vivox100 and Vivox100Pro: Which one do you prefer? As smartphones continue to become more popular and more powerful, people's demand for mobile phone accessories is also growing. As an indispensable part of mobile phone accessories, headphones play an important role in people's daily life and work. Among many headphone brands, Vivox100 and Vivox100Pro are two products that have attracted much attention. Today, we will conduct a detailed comparative evaluation of these two headphones to see their advantages and disadvantages
