SQL Server 2005 FOREIGN KEY引用第二列的“常量”值 [英]SQL Server 2005 FOREIGN KEY that references a “constant” value for a second column
SQL從一個表中查詢所有日期范圍,而不是在另一個表的任何日期范圍之間為給定外鍵 [英]SQL querying all date ranges from one table not between any date ranges of another for given foreign key