SQL Bulk Insert has been tuned over the years to work well with the Microsoft .NET Framework. This tutorial shows you how to take advantage of its power. SQL Bulk Insert is not a new technology. In ...

同じテーブル内の別の行から値を計算する 最後に、 今度は同じテーブル内の異なる行の情報をもとに計算した結果を更新するケースを考えます。サンプルテーブルStcoksは株価の取引情報を記録するもので、 銘柄ごとに取引を行った日の株価が記録されてい ...

Arthur Fuller explores the value of identity columns and the usefulness of their arbitrary values and discusses ways to use SQL Server 2000's IDENTITY_INSERT setting. Despite your numerous ...

If I have a variable rs ("ColumnA") that is an empty string "" and I want to insert it into a table as a NULL instead, isn't there a SQL function that would ...

When you insert new records into an SQL database, you may run into issues where you accidentally overwrite records that are already present due to a duplication issue. You can use a simple alteration ...

To update DBF data, you can specify view descriptors in the SQL procedure's INSERT, DELETE, and UPDATE statements. You can also use these statements to modify SAS data files. However, the ability to ...