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Db2 IN operator examples. We will use the books table from the sample database to demonstrates the IN operator. 1) Using Db2 IN operator with a list of numeric values. This example uses the IN operator to find the books whose publisher id is in the list of 100, 103, and 105: SELECT . title, . publisher_id.
The IN operator allows you to specify multiple values in a WHERE clause. IN operator accomplishes the same goal as OR. But IN has the following advantages. For long lists of valid options, the IN operator syntax is far cleaner and easier to read. The order of evaluation is easier to manage.
This syntax will work: SELECT * FROM PLAYERS WHERE (First_Id, Second_Id) IN (SELECT 1, 1 FROM SYSIBM.SYSDUMMY1 UNION ALL SELECT 1, 2 FROM SYSIBM.SYSDUMMY1 UNION ALL SELECT 1, 3 FROM SYSIBM.SYSDUMMY1)
Examples. Example 1: The following condition evaluates to true if the value in the row under evaluation in the DEPTNO column contains D01, B01, or C01: DEPTNO IN ('D01', 'B01', 'C01') Example 2: The following condition evaluates to true only if the EMPNO (employee number) on the left side matches the EMPNO of an employee in department E11:
The following examples illustrate the select-statement query. Example 1: Select all columns and rows from the EMPLOYEE table. SELECT * FROM EMPLOYEE. Example 2: Select the project name (PROJNAME), start date (PRSTDATE), and end date (PRENDATE) from the PROJECT table.
Examples can help you understand how to retrieve data by issuing SELECT statements. The select-statement is the form of a query that can be directly specified in a DECLARE CURSOR statement or FOR statement, prepared and then referenced in a DECLARE CURSOR statement, or directly specified in an SQLJ assignment clause.
The IN predicate compares one or more values with a list of values. The list of values being compared in the IN statement can either be a set of in-line expressions (e.g. ID in (10,20,30)), or a set rows returned from a sub-query. Either way, Db2 simply goes through the list until it finds a match.
