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Explain the EXPLAIN statement ?
The explain statement provides information about the optimizer's choice of access path of the sql.
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What is referential integrity?
Referential integrity refers to the consistency that must be maintained between primary and foreign keys, ie every foreign key value must have a corresponding primary key value.
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What is a view? Why use it?
A view is a virtual table made up of data from base tables and other views, but not stored separately.
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DB2 Interview Questions
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