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Compute the closure (F+) for the following set of the functional dependencies defined on R(a,b,c,d), where F - {c→ a, ab → d, a → b, d → c}, i.e. what are all of the FDs implied b
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
employee(empid,empname,dept,telno,mobno, add,sssno,tinno,WEdates,WEcomp,WEadd,WEpos,WEres) this is a employee record which is need to be normalize.the WE means work experience
Define a view and a trigger. Construct a view for the above relations that have the information about suppliers and the elements they supply. The view holds the S#, SNAME, P# , PNA
#what is cursor its uses ? Explain it
Define NULL value NULL value NULL means something is unknown. It does NOT mean null (the digit 0). Null is as well employed as attribute value for a particular entity in which
Explain the Static or conservative Two Phase Locking: Static (or conservative) Two Phase Locking: In this type of scheme, all the data items are locked earlier than any opera
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
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