for this script utl_file is no longer being used. The problem is that some SQL is over 2499 characters in length, and it may be stored as one line in the data dictionary SQLPlus cannot execute lines ...
We’ll simulate employee names using DUAL and UNION ALL. Then, we'll demonstrate each loop type to print the names.
はじめに:ストアドプロシージャ開発におけるループ制御の重要性 データベースエンジニアの皆様、日々の業務お疲れ様です。 ストアドプロシージャや関数を開発する際、大量のデータを一括で処理したり、ダミーデータを自動生成したりするために ...
In SQL Server, a cursor is a database object that allows you to process the rows of a result set one at a time. This is in contrast to standard T-SQL operations, which typically work on entire sets of ...
Did you know that SQL has a for loop? That’s all a “correlated subquery” is — just a for loop over a query I use a correlated subquery when I want to “execute a query” for each row in a base table ...