I am writing a query which is aggregating some data from one database into a separate database.<BR><BR>Basically, I have a query which returns 3 columns and I have a query that returns 1 ...
Multiple Detail Records - 4 in this case. (linked to the header record) Multiple Inventory Records - again, 4 - (each detail record points to one specific inventory record, but the inventory may be ...
SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them. Database developers have it tough.
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