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Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
Group By clauses • It is used to group database tuples on the basis of definite common attribute value like as employees of a department. WHERE clause still can be used
How many types of users works on database? Users are differentiated through the way they expect to interact along with the system (i) Application programmers-interact with
Set Difference If R1 and R2 are two union compatible relations or relations then result of R3 =R1- R2 is the relation that have only those tuples that are in R1 but not in R2.
non numeric literals
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
Data Redundancy -A lot of information is being repeated in the relation. For instance, the information that MCS-014 is named SSAD is repetitive, address of Rahul is "D- 27, Main ro
explain ANSI SPARC architecture
Evaluate, compare and contrast the two methods of relational database design namely top down method and Bottom up method. What will be your choice if you are asked to select a meth
WHERE and HAVING clause in SQL ? The WHERE clause is commonly used for implementing conditions on each tuple of the relation. The HAVING clause is used in combination along wi
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