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.
Schema diagram
Relational algebra
Database diagram
Schema flow
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This query does which of the following operation?
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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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Department (dept name, building, budget) and Employee (employee_id, name, dept name, salary)
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4
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Which one of the following is procedural language?
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5
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To display the salary from greater to smaller and name in ascending order which of the following options should be used?
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6
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The most commonly used operation in relational algebra for projecting a set of tuple from a relation is
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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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The result which the operation contains all pairs of tuples from the two relations, regardless of whether their attribute values match.
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9
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A ________ in a table represents a relationship among a set of values.
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10
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The term attribute refers to a ___________ of a table.
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