mysql语句有关问题。
mysql语句问题。。
假如有N条数据，我想拿最后10条，比如1~100，拿 91-100，改怎么拿？
用order by id desc limit 0,10 拿出来会是100-91
N时时刻刻在更新，也不知道N是多少，，用不了between
求方法！
------解决方案--------------------
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
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
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
1387
52
Detailed explanation of how to use take and limit in Laravel
Mar 10, 2024 pm 05:51 PM
"Detailed explanation of how to use take and limit in Laravel" In Laravel, take and limit are two commonly used methods, used to limit the number of records returned in database queries. Although their functions are similar, there are some subtle differences in specific usage scenarios. This article will analyze the usage of these two methods in detail and provide specific code examples. 1. Take method In Laravel, the take method is used to limit the number of records returned, usually combined with the orderBy method.
Comparison of functions and usage of take and limit in Laravel
Mar 09, 2024 pm 09:09 PM
Take and limit are two commonly used methods in Laravel to limit the number of query result sets. Although they have certain similarities in functionality, they differ in usage and some details. This article will conduct a detailed comparison of the functions and usage of the two methods, and provide specific code examples to help readers better understand the differences between them and how to apply them correctly. 1.take method The take method is in the LaravelEloquent query builder
A deep dive into the differences between take and limit in Laravel
Mar 10, 2024 pm 01:00 PM
In Laravel, we often use some methods to limit the number of query results, including take and limit methods. While they can both be used to limit the number of query results, they do have some subtle differences. In this article, we'll take a deep dive into how take and limit differ in Laravel, illustrating them with concrete code examples. First, let's look at the take method. The take method is part of Eloquent and is typically used for
How to use the limit and skip functions of Stream in Java for stream operations
Jun 26, 2023 pm 03:55 PM
StreamAPI was introduced in Java 8, which can greatly simplify the operation of collections. The Stream class provides many functional methods for operating on streams, including filtering, mapping, merging, and more. Among them, limit and skip are two functions used to limit the number of elements in stream operations. 1. Limit function The limit function is used to limit the number of elements in the stream. It accepts a long type parameter n, which represents the number of limits. After calling the limit function, a new stream is returned, which only contains
How to save Final Fantasy 7 limit
Mar 07, 2024 pm 06:40 PM
When playing in Final Fantasy 7, players can accumulate limits to use extreme skills, which can cause huge damage or provide powerful support effects. Players can obtain limits by receiving damage, attacking enemies, and being hit in combos. How to save the limit in Final Fantasy 7 1. Taking damage When the character is attacked by the enemy or a teammate is attacked, the limit bar will gradually increase. The more damage you take, the faster the limit bar fills. 2. Attacking enemies and actively attacking enemies can also increase the filling speed of the limit bar. Limit can be accumulated using normal attacks, skills or magic. 3. When the hit combo character is attacked by enemies continuously, the filling speed of the limit bar will be accelerated. This can be done by attracting the enemy's attention or by using hold
Different MySQL paging implementations
Feb 19, 2024 pm 03:26 PM
What are the paging methods in MySQL? Specific code examples are required. MySQL is a relational database management system. In order to improve query efficiency and reduce the amount of data transmission, paging query is a very common requirement. MySQL provides a variety of paging methods. These methods will be introduced in detail below and specific code examples will be provided. Paging using the LIMIT clause: The LIMIT clause is used to limit the number of rows returned in query results. It has two parameters. The first parameter specifies the starting offset position of the returned result (counting from 0), and the second parameter
Yum! Brands expands rollout of Voice AI for faster, more accurate drive-thru orders to more Taco Bell locations
Aug 02, 2024 am 09:17 AM
Yum! Brands will expand the rollout of its Voice AI for faster, more accurate drive-thru orders to more Taco Bell locations this year. This follows two years of real-world testing at 100 select US locations across 13 states. The AI relieves human sta
PHP returns an array with elements in reverse order
Mar 21, 2024 am 10:36 AM
This article will explain in detail how PHP returns an array with the elements in reverse order. The editor thinks it is quite practical, so I share it with you as a reference. I hope you can gain something after reading this article. How to use PHP to return an array with elements in reverse order Introduction In PHP, you can easily return an array with elements in reverse order. This is useful when you need to reverse the order of a string, array, or other data. Methods There are several ways to reverse the order of elements in a PHP array. The simplest method is as follows: $originalArray=[1,2,3,4,5];$reversedArray=array_reverse($originalArray);
