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List the set operations of SQL?
1) Union
2) Intersect operation
3) The except operation
Define deadlock avoidance. An alternative method for avoiding deadlocks is to needs additional information about how resources are to be requested. Each request requires the s
Define the terms i) DDL ii) DML DDL: Data base schema is specified by a set of definitions expressed by a special language known as a data def
Define outer union operation of the relational algebra. Compute the outer union for the relations R and S given below. Outer Join - If there are any values in one tabl
Describe how you can simplify Operations. To simplify operation, one should use inheritance, where possible to use, to reduce the quantity of distinct operations. Introduce new
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
what is view?explain
why we fregment at all?
Consider a bank that has a collection of sites, each running a database system. Suppose the only way the databases interact is by electronic transfer of money between one another,
i have assignments I don''t have time to finish because of work and other assignments, can you help with this? All are from the book Darabase design, application development and a
What is storage manager? A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries su
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