Course 20320
Course Introduction:In this era of data explosion, how can we find what we want in the vast amount of data? How is this achieved? Next, you can learn PHP's fuzzy query technology together.
Course 9537
Course Introduction:In this era of data explosion, how can we find what we want in the vast amount of data? How is this achieved? Next, you can learn PHP's fuzzy query technology together.
Course 16710
Course Introduction:Python is a computer programming language and a dynamic, object-oriented scripting language. It was originally designed for writing automated scripts (shell). This course will lead you to manually develop a word query system from scratch using python3.6
Course 5948
Course Introduction:How to tune SQL according to execution plan under massive data? How does the mysql index system cope with massive data storage? How to design a mysql index with excellent performance under massive data Full analysis of clustered index and non-clustered index of mysql Must-ask nouns in mysql index interview: table return, index coverage, leftmost matching How to optimize indexes for specific SQL scenarios
Course 10971
Course Introduction:This course will use short and concise language to develop a mall in a modular manner to facilitate code reuse. There is no need to spend a lot of time learning other unrelated functions to implement one function. At the same time, all courses are combined into one The complete shopping mall project is very suitable for students to practice.
2023-11-17 08:50:36 0 0 84
Implement filters and pagination using Laravel Eloquent
2023-11-12 18:42:35 0 1 310
How to solve /opt/lampp/bin/mysql.server: line 261: log_success_msg: command not found
2023-11-08 08:46:06 0 1 263
Prevent MySQL from reading when updating
2023-11-07 18:05:53 0 1 203
Is full count query really that slow on a large MySQL InnoDB table?
2023-11-07 15:52:43 0 2 236
Course Introduction:In the process of WEB development, data query is a very important operation, and fuzzy query is one of the more commonly used ones. ThinkPHP is a very popular PHP development framework. It provides a convenient and fast fuzzy query method. Here I will share how to perform fuzzy query in ThinkPHP. First of all, in ThinkPHP, we can operate the database through the Db class. Specifically, we can specify which data table to use through the table method of the Db class, and then call the corresponding query method. When doing fuzzy queries, I
2023-04-11 comment 0 683
Course Introduction:In PHP development, arrays are an inevitable part of us. When we need to query data in an array, we usually use fuzzy queries. This article will introduce how to perform fuzzy query of arrays in PHP. 1. What is array fuzzy query? Array fuzzy query is a data query based on keywords. It does not require a complete match, only matching items are required to return results. In actual development, array fuzzy queries are often used to find data with similar characteristics. For example, we have a contact group that contains multiple contact information, including name, phone number,
2023-04-26 comment 0 782
Course Introduction:PHP is a powerful programming language commonly used for web development. In PHP, array is a very important data structure and is widely used in various scenarios, such as data storage, data transmission, sorting, filtering, etc. In array processing, fuzzy query is an important requirement, and this article focuses on this requirement. 1. The definition of fuzzy query In PHP, fuzzy query refers to querying all positions where text fragments appear in an array according to certain matching rules. This matching rule can be a regular expression, string matching, wildcard, etc. 2. Mold
2023-05-19 comment 0 394
Course Introduction:模糊查询允许用户使用通配符匹配数据库数据。在 MySQL 中,可以使用 % 匹配任意字符或 _ 匹配单个字符。模糊查询语法为:SELECT column_name FROM table_name WHERE column_name LIKE 'pattern%'。例如,SELECT username FROM users WHERE username LIKE 'john%' 查找以 "john" 开头的用户名。
2024-05-29 comment 0 163
Course Introduction:In PHP, array is one of the commonly used data structures. Sometimes, we need to perform fuzzy queries on arrays to find specific data. This article will introduce how to perform fuzzy queries on arrays in PHP. 1. What is fuzzy query? Fuzzy query is a way of querying data in a database or other data storage system. By using wildcards and special characters, you can match data that contains specific patterns. 2. Fuzzy query of PHP array In PHP, we can use some functions to perform fuzzy query on the array. Here are some commonly used functions:- arr
2023-04-12 comment 0 361