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Substring() in SQL Server: How to use Function with Example
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よく使われる文字列関数 1 - LEFT, RIGHT, SUBSTRING - よく使われる SQL Server のビルトインのファンクション - SQL Server 入門
よく使われる文字列関数 1 - LEFT, RIGHT, SUBSTRING - よく使われる SQL Server のビルトインのファンクション - SQL Server 入門
T-SQL: RIGHT, LEFT, SUBSTRING and CHARINDEX Functions - TechNet Articles - United States (English) - TechNet Wiki
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