SQL Server/T-SQL/Math Functions/FLOOR
FLOOR(23.7)
<source lang="sql">
1> SELECT FLOOR(23.7) 2> GO
23
(1 rows affected) 1>
</source>
Floor a value
<source lang="sql">
1> create table employee( 2> ID int, 3> name nvarchar (10), 4> salary int, 5> start_date datetime, 6> city nvarchar (10), 7> region char (1)) 8> GO 1> 2> insert into employee (ID, name, salary, start_date, city, region) 3> values (1, "Jason", 40420, "02/01/94", "New York", "W") 4> GO (1 rows affected) 1> insert into employee (ID, name, salary, start_date, city, region) 2> values (2, "Robert",14420, "01/02/95", "Vancouver","N") 3> GO (1 rows affected) 1> insert into employee (ID, name, salary, start_date, city, region) 2> values (3, "Celia", 24020, "12/03/96", "Toronto", "W") 3> GO (1 rows affected) 1> insert into employee (ID, name, salary, start_date, city, region) 2> values (4, "Linda", 40620, "11/04/97", "New York", "N") 3> GO (1 rows affected) 1> insert into employee (ID, name, salary, start_date, city, region) 2> values (5, "David", 80026, "10/05/98", "Vancouver","W") 3> GO (1 rows affected) 1> insert into employee (ID, name, salary, start_date, city, region) 2> values (6, "James", 70060, "09/06/99", "Toronto", "N") 3> GO (1 rows affected) 1> insert into employee (ID, name, salary, start_date, city, region) 2> values (7, "Alison",90620, "08/07/00", "New York", "W") 3> GO (1 rows affected) 1> insert into employee (ID, name, salary, start_date, city, region) 2> values (8, "Chris", 26020, "07/08/01", "Vancouver","N") 3> GO (1 rows affected) 1> insert into employee (ID, name, salary, start_date, city, region) 2> values (9, "Mary", 60020, "06/09/02", "Toronto", "W") 3> GO (1 rows affected) 1> 2> select * from employee 3> GO ID name salary start_date city region
---------- ----------- ----------------------- ---------- ------
1 Jason 40420 1994-02-01 00:00:00.000 New York W 2 Robert 14420 1995-01-02 00:00:00.000 Vancouver N 3 Celia 24020 1996-12-03 00:00:00.000 Toronto W 4 Linda 40620 1997-11-04 00:00:00.000 New York N 5 David 80026 1998-10-05 00:00:00.000 Vancouver W 6 James 70060 1999-09-06 00:00:00.000 Toronto N 7 Alison 90620 2000-08-07 00:00:00.000 New York W 8 Chris 26020 2001-07-08 00:00:00.000 Vancouver N 9 Mary 60020 2002-06-09 00:00:00.000 Toronto W
(9 rows affected) 1> 2> DECLARE @Markup money 3> DECLARE @Multiplier money 4> 5> SELECT @Markup = .10 -- Change the markup here 6> SELECT @Multiplier = @Markup + 1 -- We want the end price, not the amount 7> -- of the increase, so add 1 8> SELECT ID, Name, salary, 9> Salary * @Multiplier AS "Marked Up salary", "New salary" = 10> CASE WHEN FLOOR(salary * @Multiplier + .24) > FLOOR(salary * @Multiplier) 11> THEN FLOOR(salary * @Multiplier) + .95 12> WHEN FLOOR(salary * @Multiplier + .5) > FLOOR(salary * @Multiplier) 13> THEN FLOOR(salary * @Multiplier) + .75 14> ELSE FLOOR(salary * @Multiplier) + .49 15> END 16> FROM Employee 17> GO ID Name salary Marked Up salary New salary
---------- ----------- --------------------- ----------------------
1 Jason 40420 44462.0000 44462.4900 2 Robert 14420 15862.0000 15862.4900 3 Celia 24020 26422.0000 26422.4900 4 Linda 40620 44682.0000 44682.4900 5 David 80026 88028.6000 88028.7500 6 James 70060 77066.0000 77066.4900 7 Alison 90620 99682.0000 99682.4900 8 Chris 26020 28622.0000 28622.4900 9 Mary 60020 66022.0000 66022.4900
(9 rows affected) 1> 2> drop table employee 3> GO 1>
</source>
FLOOR: return the largest integer less than the given value
<source lang="sql">
1> -- FLOOR: return the largest integer less than the given value. 2> 3> SELECT FLOOR(-145.677) 4> GO
-146
(1 rows affected)
</source>