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Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re
Database systems have many opposite efforts ?
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
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
#questiontypes of keys examples..
losers with new information systems
A Distributed Transaction Let us demonstrate the concept of a distributed transaction by considering a banking system having of three branches located in 3 different cities. Ev
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
What is the difference between serial and sequential files? How searching is applied on both? Ans: A serial file is one where the records have been stored in the order where
describe all the tables you have created. ?get table_name, status, num_rows, user_stats in user_tables system view ?get table_name, constraint_name, constraint_type in user_constr
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