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Here's what the table structure looks like: What I need to do is set a constraint such that the WrenchingTool field can only contain ToolNumbers that have a corresponding ToolType of "Wrench." ...
SQL Server allows you to define cascading referential integrity constraints ... IF OBJECT_ID('SalesHistory') > 0 DROP TABLE SalesHistory GO CREATE TABLE SalesHistory SaleID int IDENTITY(1,1 ...
If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL ...