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Give an example of Operations from the functions of a bank.
For creation of a saving account, you can write:
bank::: create -savings-account (customer)->account.
For operation of checking account, you can write:
bank:: :create-checking-account
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
A constraint named less_than_20 was defined on the field date_of_birth of table student. Delete this constraint. ALTER TABLE student DROP CONSTRAINT less_than_20;
A field-groups statement or an insert statement reverses storage space and transfers values. False.
Define Atom of domain relational calculus An atom has the outline 1 , x 2 , ... , x n > -> r , in which r stands for a relation on n attributes and x 1 , x 2 , ... , x n ar
Synonyms It allows short names or alternative names for objects. Example : CREATE SYNONYM D30 FOR EMPD30; Now if we give command:
explain in details about one to one binary relationship
What is SQL Profiler? SQL Profiler is a graphical tool that permits system administrators to monitor events in an instance of Microsoft SQL Server. You can capture and save dat
prototype of a distributed information system for a national car part retail outlet chain.
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
What is indexed sequential file organization? What are the applications of this organization? Ans: An index file can be employed to effectively overcome the problem of storing
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