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This tutorial shows you how to use the Oracle ORDER BY clause to sort rows by one or more columns in ascending or descending order.
An ORDER BY clause allows you to specify the order in which rows appear in the result set.
This Oracle tutorial explains how to use the Oracle ORDER BY clause with syntax and examples. The Oracle ORDER BY clause is used to sort the records in your result set. The ORDER BY clause can only be used in SELECT statements.
24 sty 2019 · If you need a specific order, use an "order by" clause. For example, in Oracle versions up to 9i, doing a "group by" also caused the rows to be sorted by the group expression(*). In 10g, this behaviour does no longer exist! Upgrading Oracle installations has caused me some work because of this.
Sorting Query Results. Use the ORDER BY clause to order the rows selected by a query. Sorting by position is useful in the following cases: To order by a lengthy select list expression, you can specify its position in the ORDER BY clause rather than duplicate the entire expression.
To guarantee the rows appear in a given sequence, you must use an order by. This sorts numbers from smallest to largest. So to sort the toys from cheapest to most expensive, order by price: select * from toys order by price; Dates sort from oldest to newest.
The ORDER BY clause orders all rows returned by the entire compound query. The mechanism by which Oracle Database sorts character values for the ORDER BY clause, also known as the collation, is specified by the NLS_SORT session parameter.
