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8 Οκτ 2010 · The LIMIT clause allows you to limit the number of rows returned by the query. The LIMIT clause is an extension of the SELECT statement that has the following syntax: SELECT select_list FROM table_name ORDER BY sort_expression LIMIT n [OFFSET m];
First, sort the books by rating from high to low using the ORDER BY clause. Second, pick the first 10 rows from the sorted result set using the LIMIT clause. In this tutorial, you have learned how to use the Db2 LIMIT clause to restrict the number of rows returned by a query.
Fetching a limited number of rows. You can specify the fetch clause in a SELECT statement to limit the number of rows in the result table of a query.
The Db2 IN operator is a logical operator that compares a value with a set of values: expression IN (v1, v2, v3, ...) Code language: SQL (Structured Query Language) (sql) The IN operator returns true if the value of the expression matches one of the value in the list v1, v2, v3 …. Otherwise, it returns false.
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.
Use GROUP BY and ORDER BY clauses only when the grouping and order of the returned data are important. Important: When an ORDER BY clause is not specified, Db2 might return data in any order. Specify the DISTINCT option only when the result set must not contain duplicate rows.
DB2 LIMIT Clause: The LIMIT clause allows you to limit the number of rows returned by the query. Syntax: SELECT select_list FROM table_name. LIMIT n [OFFSET m]; Where, 'm' is the number of rows to skip before returning the n rows. 'n' is the number of rows to be returned. You can also write the LIMIT syntax like below, LIMIT m, n;
