The heart of any relational database management system is the system catalog that documents the database objects and system settings being used. The system catalog offers a wealth of information about ...
Why are there INFOMATION_SCHEMA and catalog views in SQL Server that do very similar things? For example, to retrieve a list of tables in a database, I can do it via sys.tables or ...
The optimizer is the heart and soul of a relational DBMS. It analyzes SQL statements and determines the most efficient access plan for satisfying each statement. The optimizer accomplishes this by ...
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