I'm reporting a significant performance issue and a potential for deadlocks when using Spring Batch with a SQL Server database. The root cause is a data type mismatch between the default Spring Batch ...

Oracleで構築された既存システムのデータベースを、SQL Server（SSMS）へ移行するプロジェクト。 要件はシンプルでした： 「前と同じように動けばいい」 「DB構造も極力そのままで」 Oracle側ではVARCHAR2が多用されていたため、Oracleでの定義に合わせ、SQL Serverで ...

create a Table with a field set as varchar data type and in the code also it is declared as varchar data type ...

It’s surprisingly easy to stop query folding happening in Power Query by changing the data type of a column. This is mentioned in the docs here, and it’s something several people have blogged about ...