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define locking in simple language and decribed it
Describe Specialsation and generalization? Specialisation /generalization: This is a top down and bottom up approach to the design of database. It displays the IS_A relation
A video rental company has several branches. The data held on each branch is the branch address made up of street, city, state, and zip code, and the telephone number. Ea
For the question given below, you are required to submit design and implementation documentation as described over the page. Design, implement (in Java), test and document a set of
sir we want er diagram of bank management system in this main menu option as new account,deposit amount,withdraw amount,all acount holder list,modify account,close account
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
Question 1 List and explain various Normal Forms. How BCNF differs from the Third Normal Form and 4th Normal forms? Question 2 Describe the concepts of Structural Semantic Da
Differance between procedural and non procedural DML? Procedural and non procedural DML Procedural DML exactly what data is require and how to obtain those data. Non procedural
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
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