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Example: //REVOKE ALL ON EMP FROM MCA12;
(All permissions will be cancelled)
You can also cancel only some of the permissions.
Drop: A user-id can be deleted by using drop command.
Example:
DROP USER MCA12;
Let consider the given partial relation EMP. Let us make some sub-queries for them EMPNO ENAME JOB SAL DEPTNO 7566
why are older data models are being replaced by new data models
What is the difference between the function module and a normal ABAP/4 subroutine? In contrast to normal subroutines function modules have uniquely exact interface. Declaring da
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
Security And Integrity After Reading the concepts of database recovery in the last section, let us now deal with a vital concept that helps in minimizing consistency errors in
what are the topics in data management
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
Advantages of Data Distribution The primary benefit of distributed database systems is the ability to access and share data in a reliable and efficient manner.
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
#questiRegional Gardens has many nurseries, including Wagga Wagga, Bathurst, Albury, Orange, and Dubbo. Each nursery is known by its campus code, eg WW, B, A, O and D respectively.
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