The ______ clause allows us to select only those rows in the result relation of the ____ clause that satisfy a specified predicate.
Where, from
From, select
Select, from
From, where
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1
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A ________ in a table represents a relationship among a set of values.
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2
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For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.
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3
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A domain is atomic if elements of the domain are considered to be ____________ units.
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4
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_____ operator is used for appending two strings.
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5
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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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6
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Using which language can a user request information from a database?
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7
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’_____’ matches any string of ______ three characters. ’_____%’ matches any string of at ______ three characters.
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8
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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.
Solution |
9
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This query can be replaced by which of the following ?
Solution |
10
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Which one of the following is procedural language?
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