Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is updated or ...
I've been doing some work in MS Access (it's what I have and what I know) basically rolling my own Bill Of Materials database. Assemblies, subassemblies, individual parts. Relatively straightforward ...
A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...
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