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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
Hi, Do you offer private tuition for DBMS?
what is relationship inheritance and attribute inheritance
UNION If R1 and R2 are two union compatible relations then R3 = R1 ∪ R2 is the relation having tuples that are either in R1 or in R2 or in both. In case, R3 will have tuples
CREATE TABLE prodtrans ( pno number (4) ptype char (1) CHECK (ptype in ('I','R','S')), qty number (5) FOREIGN KEY pno REFERENCES product (pno) ON DELETE CASCADE);
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
word limit no mentioned
What is DDL? Make a list of commands with short description used in DDL Ans: Data Definition Language that is abbreviated as DDL is a computer language for defining data struct
Design a gennalization and specialization hierarchy for an automobile sales company
1. Define and discuss Work Breakdown Structure, Critical Path Analysis, PERT charts and GANTT charts. Describe the role of each in determining scope, budgets, and schedules? What
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