A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Expert Solution & Answer
Chapter 8, Problem 2RQ
Explanation of Solution
Round a number to a specific number of decimal places in Oracle, Access and SQL Server:
- In Oracle, Access and SQL server, user can round a number to a specific number of decimal places by using “ROUND” function.
“ROUND” function:
- This function is used to rounds a number to a specified number of decimal places.
- This function contains more than one argument.
- Syntax for “ROUND” function:
ROUND(number, DecimalPlaces)
- From the given syntax, the argument “number” defines the value to be rounded and the argument “DecimalPlaces” represents the number of decimal places to which to round the result.
- Consider an example, “ROUND(46.78, 0)” will give the result as “47”...
Explanation of Solution
Remove each value to the right of the decimal places using Oracle, Access and Server:
For Oracle and SQL Server:
For Oracle and SQL server, user can use the “FLOOR” function to remove each number to the right of decimal point.
“FLOOR” function:
- This function is used to truncate everything to the right of decimal value.
- Syntax for “FLOOR” function:
FLOOR(value)
From the given syntax, the “value” represents numeric value.
Example of “FLOOR” function:
The example for “FLOOR” function in query concept is given below:
SELECT FLOOR(86.32) AS COMPUTED_VALUE;
- The above query is used to eliminate everything to the right of decimal value using “FLOOR” function.
- The computed value is represented by “COMPUTED_VALUE” using “AS” operator.
When the query is executed, the following output will be displayed...
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Chapter 8 Solutions
A Guide to SQL
Ch. 8 - Prob. 1RQCh. 8 - Prob. 2RQCh. 8 - Prob. 3RQCh. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Prob. 8RQCh. 8 - Prob. 9RQCh. 8 - In PL/SQL, how do you assign variables the same...
Ch. 8 - Prob. 11RQCh. 8 - Prob. 12RQCh. 8 - Prob. 13RQCh. 8 - Prob. 14RQCh. 8 - Prob. 15RQCh. 8 - Prob. 16RQCh. 8 - Prob. 17RQCh. 8 - Prob. 18RQCh. 8 - Prob. 19RQCh. 8 - Prob. 20RQCh. 8 - Prob. 21RQCh. 8 - Prob. 22RQCh. 8 - Prob. 1TDCh. 8 - Prob. 2TDCh. 8 - Prob. 3TDCh. 8 - Prob. 4TDCh. 8 - Prob. 5TDCh. 8 - Prob. 6TDCh. 8 - Prob. 7TDCh. 8 - Prob. 8TDCh. 8 - Prob. 9TDCh. 8 - Prob. 10TDCh. 8 - Prob. 1CATCh. 8 - Prob. 2CATCh. 8 - Prob. 3CATCh. 8 - Prob. 4CATCh. 8 - Prob. 5CATCh. 8 - Prob. 6CATCh. 8 - Prob. 7CATCh. 8 - Prob. 9CATCh. 8 - Prob. 1SCGCh. 8 - Prob. 2SCGCh. 8 - Prob. 3SCGCh. 8 - Prob. 4SCGCh. 8 - Prob. 5SCGCh. 8 - Prob. 6SCGCh. 8 - Prob. 7SCGCh. 8 - SQL includes many numerical functions. Two of...
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