The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.
Select
Join
Union
Intersection
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1
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Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time.
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2
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Which one of the following is procedural language?
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3
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’_____’ matches any string of ______ three characters. ’_____%’ matches any string of at ______ three characters.
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4
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A domain is atomic if elements of the domain are considered to be ____________ units.
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5
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The _______ operator takes the results of two queries and returns only rows that appear in both result sets.
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6
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Student(ID, name, dept name, tot_cred)
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7
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Using which language can a user request information from a database?
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8
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By default, the order by clause lists items in ______ order.
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9
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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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10
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The tuples of the relations can be of ________ order.
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