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What do you mean by an execution plan? Why is it used? How will you view it?
a.) An execution plan can be known as a road map which textually or graphically illustrates the data retrieval methods that have been chosen by the SQL
Server query optimizer, for a stored procedure or ad- hoc query.
b.) It is used as it's a very useful tool for a developer to understand performance characteristics of a query or stored procedure.
c.) There exists an option known as "Show Execution Plan" in Query Analyzer. If this option is turned on, it would display query execution plan in separate window when query is run again.
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
what should be included in this???
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
limitations and benefits in database tecknowlagy
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These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
What benefits can a company gain by managing its own information infrastructure and servicea
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
A database administrator''s responsibilities and data contents
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