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There are a number of possible solutions to the open ended brief. One of the simple ones is shown here without the PKs and FKs.
It is important to think of how a number of tasks could be automated and delivered through the use of triggers and procedures which alleviates the need to create entities and store information.
You are advised to iterate your own solution and use this skeleton solution with modifications to both validate and verify your own model.
it can be possible to create any table without primary key
How Relational Calculus is different from Relational Algebra? What do understand by TRC queries and DRC queries? Ans: Relational calculus contain two calculi, the tuple relati
Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati
why older data models are being replaced by new data models.
Natural Join : It is the similar like Equi join except one of the duplicate columns is removed in the result table. The natural join is the most usually used form of join operation
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
OPENCART - Want Massive amount of products Imported through CSV We have a massive list of products that would take completely too long to do data entry. We require a slick progr
I need help in doing my dbms project
Having Clause with sub queries: First we have to recollect the GROUP BYclause. The following query searches the minimum salary in every department. SELECT DEPTNO, MIN (SAL)
Advantages of Database management system Let us summarize the advantages. Reduction of Redundancy: This is perhaps the most important advantage of using DBMS. Redundancy i
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