mysql wildcard character

lesson sixth filtering with wildcard characters6.1 Like operatorThe wildcard itself is actually a character that has special meanings in the WHERE clause of SQL, and SQL supports several wildcard characters. To use wildcard characters in a search

The eighth chapter is filtered with a wildcard characterThis chapter describes what wildcards are, how to use wildcards, and how to use the LIKE operator for a wildcard search to make complex filtering of data.8.1 Like operatorAll of the operators

1. Like operatorPreviously used operators are for known data, and wildcard characters can also be used to search for unknown data.wildcard character (wildcard): used to match Special characters that are worth a portion.Search pattern: A search

Reprint: http://new-restart.iteye.com/blog/1416765SQL like wildcard character fuzzy query techniques and special charactersSQL like wildcard character fuzzy query techniques and special charactersHow to deal with time query by 1,sql likeThere are

Transfer from http://new-restart.iteye.com/blog/1416765SQL like wildcard character fuzzy query techniques and special charactersHow to deal with time query by 1,sql likeThere are savetime (smalldatetime type) fields in the SQL data table with two

1. SQL like method for time query processing    the SQL data table has a savetime (smalldatetime type) field with two records in the table with Savetime value: 2005-3-8 12:12:00 and 2005-6-6 14:02:02       I can not find anything with the

Today, a colleague said he wrote a SQL statement query with no results.SELECT * from Persons WHERE city like ' [bln]% '650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "style=" Background:url ("/e/u261/lang/zh-cn/

Introduction to MySQL MySQL is an open source relational database management system (RDBMS), the MySQL database system uses the most commonly used database management language-Structured Query Language (SQL) for database management. Tips for

SQL often use like for fuzzy query, and fuzzy query will use the hundred semicolon "%", underline "_" These wildcard characters, where "%" matches any number of characters, "_" match a single character. If we want to blur the query with wildcard

MySQL provides standard SQL pattern matching, as well as an extended regular expression pattern matching format based on Unix utilities like VI, grep, and sed.First, SQL modeThe pattern matching of SQL allows you to match any single character with "_