Q. Using which language can a user request information from a database ?

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Q. Student(ID, name, dept name, tot_cred)
In this query which attribute form the primary key?

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Q. Which one of the following is a procedural language ?

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Q. The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.

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Q. The result which operation contains all pairs of tuples from the two relations, regardless of whether their attribute values match.

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Q. The _______operation performs a set union of two “similarly structured” tables

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Q. The most commonly used operation in relational algebra for projecting a set of tuple from a relation is

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Q. The _______ operator takes the results of two queries and returns only rows that appear in both result sets.

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Q. A ________ is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.

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Q. The _________ provides a set of operations that take one or more relations as input and return a relation as an output.

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