CEILING()

Description

The CEILING(X) function returns the smallest integer value not less than X.Synonymous with CEIL().

Syntax

> CEILING(X)

Arguments

Arguments	Description
X	Required. Any numeric data type supported now.

For exact-value numeric arguments, the return value has an exact-value numeric type. For floating-point arguments, the return value has a floating-point type.

Examples

drop table if exists t1;
create table t1(a int ,b float);
insert into t1 values(1,0.5);
insert into t1 values(2,0.499);
insert into t1 values(3,0.501);
insert into t1 values(4,20.5);
insert into t1 values(5,20.499);
insert into t1 values(6,13.500);
insert into t1 values(7,-0.500);
insert into t1 values(8,-0.499);
insert into t1 values(9,-0.501);
insert into t1 values(10,-20.499);
insert into t1 values(11,-20.500);
insert into t1 values(12,-13.500);

mysql> select a,ceiling(b) from t1;
+------+------------+
| a    | ceiling(b) |
+------+------------+
|    1 |          1 |
|    2 |          1 |
|    3 |          1 |
|    4 |         21 |
|    5 |         21 |
|    6 |         14 |
|    7 |         -0 |
|    8 |         -0 |
|    9 |         -0 |
|   10 |        -20 |
|   11 |        -20 |
|   12 |        -13 |
+------+------------+
12 rows in set (0.00 sec)

mysql> select sum(ceiling(b)) from t1;
+-----------------+
| sum(ceiling(b)) |
+-----------------+
|               6 |
+-----------------+
1 row in set (0.01 sec)