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Explain the two types of participation constraint. Total: The participation of an entity set E in a relationship set R is said to be total if each entity in E participates i
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
Find out the names of all employees who work for first Bank Corporation from database. SELECT EMPLOYEE_NAME FROM WORKS WHERE COMPANYNAME = ‘First Bank Corporation';
What is the use of rename operation? Rename operation is used to rename both relations and an attributes. It uses the as clause, taking the form: Old-name as new-name.
What are the benefits of decomposing a system? The benefits of decomposing a system into subsystems are that after decomposition, each individual component become smaller and e
What is NULL? Simply NULL means not in value.
Explain TPS concurreny executions stating their advantages in online business advancement
Define outer union operation of the relational algebra. Compute the outer union for the relations R and S given below. Outer Join - If there are any values in one tabl
create an er diagram for production management in film industry
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