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Now that she understands more about the benefits of databases, the play-scheme manager would like to extend the play-scheme database to include data for schools and instructors as detailed below.
The manager wants to store the name, address and phone number for each school in the play-scheme's catchment area (regardless of whether any children from the school are registered for the play-scheme). She also wants to record which school each child attends. (Each child can only attend one school.)
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
While sorting field groups we cannot use more than one key field False.
WHAT IS DSS? WRITE ITS REQUIREMENTS.
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
Birla Institute of Technology & Science, Pilani Work-Integrated Learning Programmes Division Second Semester 2012-2013 EC-1 Assignment 2 (7.5% of the grade) Course No. : SS ZG
how the string works as keyword?
Define the Third Normal Form: The third normal form (3NF) is a normal form employed in database normalization. 3NF was initially defined by E.F. Codd in 1971. Codd's definitio
how to implement hyrise in C plus plus
find a name whose address is erode from student table
A super key is an attribute or set of attributes used to recognize the records uniquely in a relation. For instance, in the Relation PERSON defines earlier PERSON_ID is a super
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