In this article, author Randal Hoff shows how to use Multi-Record Type pattern to provide both NoSQL and SQL access to c-treeACE data that combines multiple schemas in a single table.

Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types.

今回は共通テーブル式（CTE）について紹介し、分析時に長くなってしまいがちなSQLの読みやすさ改善に少しでもお役に ...

「Movable Type 4」「Movable Type 5」に見つかった複数の脆弱性について修正したバージョンで、アップグレードを強く推奨している。

SQLだけで同一トランザクション内で複数のテーブルにinsertを行う方法を考えてみる さて、これらのテーブルのauthorにkimura、articleにby kimuraを同時に足したい場合を考えてみます。

In the world of relational databases, VARCHAR is one of the most commonly used string data types, primarily used for storing variable-length character data. However, for many beginners, the ...

ODBC Data Types and Default SAS Formats shows all of the data types and default SAS formats that are supported by the ODBC engine. This table does not explicitly define the data types as they exist ...

Differences in VARCHAR Between SQL Server and PostgreSQL SQL Server distinguishes between character types using VARCHAR (non-Unicode) and NVARCHAR (Unicode), while PostgreSQL's VARCHAR is inherently a ...

After you type S in the Cmd field and press ENTER, the query or non-SELECT statement is loaded into the SQL Editor window and a message is displayed to indicate that the query has been loaded. Select ...