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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.
Define single valued and multivalued attributes. Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes. Mult
Hierarchical
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Have database built but having problems with some questions that go with the database
1. Develop a flowchart using the decision structure to solve the following problem. A Box Lunch Bonanza is a small catering company that offers 2 different types of box lunches
Create a table according to given data: AmbulanceDriver(Driver_Number#, Name, Address, Birth_Date) AmbulanceDriverTeam(Team_Number#, Driver_Number#, Join_Date, Lea
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
Describe analysis of access paths To describe analysis of access paths, consider an example of the design of a company's employee skills database. A part of the object model fr
What are the benefits of OOA technology? Using OOA technology can produce many benefits, such as: i) Reusability of code ii) Productivity is gained through direct mappi
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