Friday 23 March 2012
Monday 19 March 2012
views.doc
VIEWS
A view is a database object, which contains a query in it. Whenever we are
executing a select statement repeatedly, instead of specifying the query again
and again, we can store the query under an object and execute that object
whenever the output is required. That object is called a view.
A view is also called as a virtual table, which gives access to a subset of
columns from one or more tables. Hence, a view is an object that derives its data
from one or more tables. These tables are referred to as the base tables or the
underlying tables.
Database Testing Student Material_1.0v.doc
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Database-Testing-Interview-Questions.pdf
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BOYCE CODD RULES.ppt
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At lease 10 difference between oracle 8i and sql server 2000.doc
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