The "AVG" SQL function calculates the average values of all non-null fields within a group.
maurice.mutuku answered the question on April 12, 2018 at 08:06
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What is the purpose of "SUM" SQL function?
(Solved)
Explain the purpose of "SUM" SQL function.
Date posted:
April 12, 2018
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Answers (1)
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What is the purpose of of "GROUP BY" SQL function?
(Solved)
Describe the purpose of "GROUP BY" SQL function.
Date posted:
April 12, 2018
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Answers (1)
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What is the purpose of "LAST" SQL function?
(Solved)
Explain the purpose of "LAST" SQL function.
Date posted:
April 12, 2018
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Answers (1)
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What is the purpose of "FIRST" SQL function?
(Solved)
Discuss the purpose of "FIRST" SQL function.
Date posted:
April 12, 2018
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What is the meaning and use of <> operator in queries?
(Solved)
Explain the meaning and use of <> operator in queries.
Date posted:
April 12, 2018
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Answers (1)
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What is the meaning and use of LIKE operator in queries?
(Solved)
Explain the meaning and use of LIKE operator in queries.
Date posted:
April 12, 2018
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What is the meaning and use of IS Not Null operator in queries?
(Solved)
Explain the meaning and use of IS Not Null operator in queries.
Date posted:
April 12, 2018
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Answers (1)
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What is the meaning and the use of IS Null operator in queries?
(Solved)
Explain the meaning and the use of IS Null operator in queries.
Date posted:
April 12, 2018
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Answers (1)
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What is the meaning and the use of AND operator in queries?
(Solved)
Explain the meaning and the use of AND operator in queries.
Date posted:
April 12, 2018
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Answers (1)
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What is the meaning and the use of OR operator in queries?
(Solved)
Discuss the meaning and use of OR operator in queries.
Date posted:
April 12, 2018
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Answers (1)
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What is the process of adding a calculated query in the field marked B that will calculate the average mark of a student who does...
(Solved)
Discuss the process of adding a calculated query in the field marked B that will calculate the average mark of a student who does two CATs namely English and Kiswahili.
Date posted:
April 12, 2018
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Answers (1)
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What are the stages of activating a calculation for TOTAL sum of cash collected in a FeePayment field?
(Solved)
Write the stages of activating a calculation for TOTAL sum of cash collected in a FeePayment field.
Date posted:
April 12, 2018
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Answers (1)
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How can you write a select query criterion statement that could be used to select data from a "DueDate" field for deliveries placed after 8th...
(Solved)
Write a select query criterion statement that could be used to select data from a "DueDate" field for deliveries placed after 8th Dec 2010.
Date posted:
April 12, 2018
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Answers (1)
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What are the major types of queries in a database?
(Solved)
Discuss the major types of queries in a database.
Date posted:
April 12, 2018
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Answers (1)
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Why would you use queries in databases?
(Solved)
Give reasons why you would use queries in databases.
Date posted:
April 12, 2018
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State the applications of digital cameras
(Solved)
State the applications of digital cameras.
Date posted:
April 11, 2018
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Giving examples, describe the various classifications of input devices
(Solved)
Giving examples, describe the various classifications of input devices
Date posted:
April 11, 2018
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Answers (1)
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What is a datasheet?
(Solved)
Define the term datasheet.
Date posted:
April 11, 2018
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What is a switchboard?
(Solved)
Define switchboard.
Date posted:
April 11, 2018
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Answers (1)
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What are the main categories of controls found used in Ms Access?
(Solved)
Discuss the main categories of controls found used in Ms Access.
Date posted:
April 11, 2018
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Answers (1)