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25 maj 2011 · Two options: Use the LIKE keyword, along with percent signs in the string. select * from table where field like '%a%' or field like '%b%'.
WHERE Syntax. SELECT column1, column2, ... FROM table_name. WHERE condition; Note: The WHERE clause is not only used in. SELECT statements, it is also used in UPDATE, DELETE, etc.!
This tutorial shows you how to use MySQL WHERE clause to filter rows based on specified conditions.
Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition.
Functions for Use in SELECT and WHERE Clauses. A select_expression or where_definition in a SQL statement can consist of any expression using the functions described next. An expression that contains NULL always produces a NULL value unless otherwise indicated in the documentation for the operators and functions involved in the expression.
15 wrz 2019 · You can do this fairly easily in MySQL, as long as your have the FULLTEXT index set up against your table. It allows for a heap of different search mechanisms to be used including natural language, and additional metadata to score the results.
Indeed, unless you change the data in the database, the queries we’ve shown produce the same results each time. This section shows you the basics of securely and effectively including user data in the process to customize your query input and output.
