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Database systems have many opposite efforts ?
What is property - properties of a database ? It is an integrated collection of logically related records. It consolidates separate files into a common pool of data records and
project on dbms
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
find a name whose address is erode from student table
What are called jukebox systems? Jukebox systems have a few drives and numerous disks that can be loaded into single of the drives automatically.
Briefly describe concurrency execution? Lock - based protocols Locks There are several modes in which a data item may be locked in this section we restrict our attention
design a generalization specialization hierarchy for a motor vehicle sales company. the company sells motorcycles, passenger cars, vens and buses.
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
Designing the fields in the data base The following are the considerations one has to remain in mind while designing the fields in the data base. Coding, compression, en
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