MySQL Forums Forum List » Newbie. Multiple WHERE conditions MySQL allows you to perform more complicated queries by using AND and OR in your WHERE clause to tie conditions together. You can also use brackets to form groups of equations through two main processes - using AND/OR (plus brackets) to make your queries more specific, and using the JOIN keyword to merge tables together. Example 6: WHERE Clause with IN. A single query will select from 10 to 100 rows (though most of the time it'll be only 10)- it has to be fast in terms of performance. If there is an ORDER BY clause and a different GROUP BY clause, or if the ORDER BY or GROUP BY contains columns from tables other than the first table in the join queue, a temporary table is created. You can specify more than one condition and update the exact record of a table using the multiple conditions. Let us first create a − mysql> create table DemoTable1421 -> ( -> EmployeeId int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> EmployeeName varchar(20), -> EmployeeSalary int -> ); Query OK, 0 rows affected (0.82 sec) OR keyword used in a WHERE clause to specify that any rows matching either of the specified conditions should be retrieved. Don’t forget to specify the condition in the WHERE clause. The basic syntax for the WHERE clause when used in a SELECT statement is as follows. Yes, we can fetch, but use MySQL OR for conditions. The SQL WHERE clause comes in handy in such situations. Peter Brawley. This MySQL WHERE clause example uses the WHERE clause to define multiple conditions, but it combines the AND Condition and the OR Condition. The AND operator combines two or more conditions and returns true if and only if all the conditions are satisfied. New Topic. multiple condition in where clause. If you use the SQL_SMALL_RESULT modifier, MySQL uses an in-memory temporary table. The SELECT statement returned all the results from the queried database table. Advanced Search. It returns false if any one of the conditions evaluates to false. For this, we are going to use the below-shown data The SQL WHERE clause can be used with multiple criteria as we’ve just seen. There are three conditions that the query needs to check against and all three of these make up the composite primary key. WHERE clause Syntax. Conditions: Here, we have to provide filters or conditions. MySQL provides you with the AND logical operator when we want to specify multiple conditions as a part of the WHERE clause. The CREATE TABLE statement is: The OR operator is exactly the opposite of AND. MySQL WHERE Clause Examples. If you forget to specify the condition, the above syntax updates all the record of the specified column. If the condition is TRUE, then only the SELECT Statement will return the records. They are however, times when we want to restrict the query results to a specified condition. Posted by: Date: October 24, 2008 06:08PM ... multiple condition in where clause. This is why using multiple queries isn't a good idea. If you want to check if a column value is equal to one of many different values, you can use several OR keywords: The OR operator instructs MySQL to retrieve rows that match either condition. Syntax3: DELETE Statement with OR Clause The rows only match one of the conditions (either less than 40000 or greater than 80000) and not both of the conditions. Use MySQL Joins to join multiple tables. Let us see how to use the MySQL WHERE Clause to filter the extracting data. This example would return all suppliers that reside in the state of Florida and whose supplier_name is IBM as well as all suppliers whose supplier_id is greater than 5000. October 24, 2008 06:08PM Re: multiple condition in where clause. 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