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How can one distinguish among different kinds of parameters? Input parameters are used to pass data to subroutines. Output parameters are used to pass data from subrout
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
Benefits: It limits data access. It makes difficult queries look easy. It permits data independence. It presents dissimilar views of the similar data.
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
Explain the cartesian product in Database Management System
Preliminary entities and attributes of human resourse management database management system
Difference between LEFT OUTER JOIN and RIGHT OUTER JOIN In left outer join tuples from the left-hand-side relation which do not match any tuple in the right-hand-side relation
draw ER diagram of student entity and course entity where attribute of student entity are student roll, student name, student phone and student address and attribute of course enti
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
Illustrate the statement 'Projection operation distributes over the union operation'. Give an example. Ans: Π L (E 1 ∪ E 2 ) = (Π L (E 1 )) ∪ (Π L (E 2 )) This says th
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