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What is E-R model? This data model is based on real world that having of basic objects called entities and of relationship between these objects. Entities are explained in a da
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Define Serializable schedule Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial
What are the benefits of prepared statements and place holders? Parameter binding operations automatically handle escaping of characters Encourage Statement reuse
how does Btree differ from a B+ - tree?
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
Guidelines for creation of table: Table name should begin with an alphabet. In table name, single quotes and blank spaces are not allowed. Reserve words of that DBM
Which operator is Cartesian product in relational algebra? Cartesian product in relational algebra is a binary operator. (It requires two operands. e.g., P X Q)
what is bogus empowerment. And what is genuine empowerment
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