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Quiz Discussion

The term attribute refers to a ___________ of a table.

Course Name: SQL -Structured Query Language

  • 1]

    Record
  • 2]

    Column
  • 3]

    Tuple
  • 4]

    Key
Solution
No Solution Present Yet

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#Quiz
1
Discuss

A relational database consists of a collection of

  • 1]

    Tables
  • 2]

    Fields
  • 3]

    Records
  • 4]

    Keys
Solution
10
Discuss

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

  • 1]

    Schematic representation
  • 2]

    Relational algebra
  • 3]

    Scheme diagram
  • 4]

    Relation flow
Solution
2
Discuss

The ________ clause is used to list the attributes desired in the result of a query.

  • 1]

    Where
  • 2]

    Select
  • 3]

    From
  • 4]

    Distinct
Solution
3
Discuss

In SQL the spaces at the end of the string are removed by _______ function.

  • 1]

    Upper
  • 2]

    String
  • 3]

    Trim
  • 4]

    Lower
Solution
4
Discuss

The ______ clause allows us to select only those rows in the result relation of the ____ clause that satisfy a specified predicate.

  • 1]

    Where, from
  • 2]

    From, select
  • 3]

    Select, from
  • 4]

    From, where
Solution
5
Discuss

’_____’ matches any string of ______ three characters. ’_____%’ matches any string of at ______ three characters.

  • 1]

    Atleast, Exactly
  • 2]

    Exactly, Atleast
  • 3]

    Atleast, All
  • 4]

    All, Exactly
Solution
6
Discuss

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.

  • 1]

    Schema diagram
  • 2]

    Relational algebra
  • 3]

    Database diagram
  • 4]

    Schema flow
Solution
7
Discuss
 
SELECT *
FROM instructor
ORDER BY salary ____, name ___;

To display the salary from greater to smaller and name in ascending order which of the following options should be used?

  • 1]

    Ascending, Descending
  • 2]

    Asc, Desc
  • 3]

    Desc, Asc
  • 4]

    Descending, Ascending
Solution
8
Discuss

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

  • 1]

    Join
  • 2]

    Cartesian product
  • 3]

    Intersection
  • 4]

    Set difference
Solution
9
Discuss

For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.

  • 1]

    Domain
  • 2]

    Relation
  • 3]

    Set
  • 4]

    Schema
Solution
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