はじめに：大規模データの集計で直面する「作業スペース」の課題 Db2などのエンタープライズ向けデータベースで複雑なバッチ処理や多段階の集計を行う際、エンジニアを悩ませるのが「中間データの取り扱い」です。 例えば、数百万件の取引履歴から ...

An application that uses an embedded SQL interface requires a precompiler to convert the SQL statements into code, which is then compiled, bound to the database, and executed. In contrast, a DB2 CLI ...

IBM® Db2® for z/OS® Developer Extension (Db2 Developer Extension) is an extension for Visual Studio Code that provides language support for developing Db2 for z/OS SQL applications. Complete ...

This extension contains a single SQL function, colnames(), that takes a record value as its argument and returns an array of the names of the columns in that record: try=# SELECT colnames( ROW(1, 'foo ...