株式会社ネクスタの奥上です。 導入(ハマったこと) 「なぜか本番環境でデータが壊れてる…」 SQL Server で sql_variant 型を使っているとき、複数行 INSERT で予期せぬ型変換が起こり、本番環境で不具合が発生したことはありませんか? (かなりニッチなこと ...
Identity field is typically used as a primary key in database. When a new record is inserted into a table, this field automatically assigns an incremented value to this column.However, inserting our ...
This article is a port from Microsoft TechNet which Karen wrote November 27 2019. Microsoft TechNet is going away thus the reason for this article. Original code was written in 4.5 and 4.7 framework ...