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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.
15 wrz 2019 · You need to do it in two steps, first generate the sql like (assuming your table is named T in schema S: select concat (' SELECT * FROM t WHERE ''a'' in (' , GROUP_CONCAT (COLUMN_NAME) , ')') from INFORMATION_SCHEMA.columns where table_schema = 's' and table_name = 't' and DATA_TYPE IN ('char','varchar');
MySQL account names consist of a user name and a host name, which enables creation of distinct accounts for users with the same user name who connect from different hosts. This section describes the syntax for account names, including special values and wildcard rules.
23 mar 2023 · This article showed you how to locate a substring in a string in SQL using both MySQL and SQL Server. CHARINDEX() and PATINDEX() are the functions with which you can search for a substring in a string inside SQL Server.
First, we set up the SQL query that selects the id, firstname and lastname columns from the MyGuests table where the lastname is "Doe". The next line of code runs the query and puts the resulting data into a variable called $result.
