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Explain query execution plan?
- Optimizer available in SQL Server optimizes code to be effectively executed.
- A query execution plan demonstrates how this optimizer would run the query.
- Query execution plan can be viewed by:
- Using Show Execution Plan option available in Query Analyser,
- Displaying Estimated Execution Plan on query dropdown menu,
- Use SET SHOWPLAN_TEXT ON command before running a query and capturing execution plan event in a SQL Server Profiler trace.
Explain the Attribute inheritance Ans: Throughout the rendering of the objects in a view, attribute sets of objects higher in the view hierarchy are inherited via objects below
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
What is the difference between SQL Server 2000 clustered and nonclustered indexes? With a clustered index, the data are kept in the bottom level of the index and in the similar
Question: (a) Define the term e-Government and briefly explain, using appropriate examples, the aspects it covers. (b) Give four reasons as to why a country should adopt e
Explain the Relational Completeness Codd described the term relational completeness to consider to a language that is complete with respect to first-order predicate calculus ex
Explain in detail about Collaboration Diagrams Collaboration diagrams are interaction diagrams which emphasize structural organisation of an object that transmit and receive m
how many hourse have been spent on a certain project
What is MySQL? MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes add
Define hot swapping? Hot swapping permits the removal of faulty disks and changes it by new ones without turning power off. Hot swapping decreases the mean time to repair.
distributed quey processing
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