Which of the following are the five built-in functions provided by SQL?
A. COUNT, SUM, AVG, MAX, MIN
B. SUM, AVG, MIN, MAX, MULT
C. SUM, AVG, MULT, DIV, MIN
D. SUM, AVG, MIN, MAX, NAME
Answer: Option A
Solution (By Examveda Team)
Option A: COUNT, SUM, AVG, MAX, MIN - These are the five built-in aggregate functions provided by SQL:COUNT: Returns the number of rows that match a specified criterion.
SUM: Returns the sum of values in a numeric column.
AVG: Returns the average of values in a numeric column.
MAX: Returns the maximum value in a column.
MIN: Returns the minimum value in a column.
Option B: SUM, AVG, MIN, MAX, MULT - "MULT" is not a standard SQL function. This option is incorrect. Option C: SUM, AVG, MULT, DIV, MIN - "MULT" and "DIV" are not standard SQL functions. This option is incorrect. Option D: SUM, AVG, MIN, MAX, NAME - "NAME" is not a standard SQL function. This option is incorrect. Conclusion:
The five built-in functions provided by SQL for performing aggregate calculations on data are Option A: COUNT, SUM, AVG, MAX, MIN.
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You can add a row using SQL in a database with which of the following?
A. ADD
B. CREATE
C. INSERT
D. MAKE
The command to remove rows from a table 'CUSTOMER' is:
A. REMOVE FROM CUSTOMER ...
B. DROP FROM CUSTOMER ...
C. DELETE FROM CUSTOMER WHERE ...
D. UPDATE FROM CUSTOMER ...
A. limits the column data that are returned.
B. limits the row data are returned.
C. Both A and B are correct.
D. Neither A nor B are correct.
Which of the following is the original purpose of SQL?
A. To specify the syntax and semantics of SQL data definition language
B. To specify the syntax and semantics of SQL manipulation language
C. To define the data structures
D. All of the above
What are those terms refers?