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List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
Economics: It is now usually accepted that it costs less to make a system of smaller computers with the equivalent power of a one large computer. It is more cost-effective to get s
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Example: //REVOKE ALL ON EMP FROM MCA12; (All permissions will be cancelled) You can also cancel only some of the permissions. Drop: A user-
While sorting field groups we cannot use more than one key field False.
What are the typical phases of query processing
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
What is inheritance? Define it in detail? Inheritance Inheritance can be at the levels of types, or at the level of tables we first consider inheritance of types, then i
Differentiate between static hashing and dynamic hashing. Ans: Static Hashing comprises the number of primary pages in the directory fixed. So, while a bucket is full, we requ
#questiontypes of keys examples..
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