>=

运算符说明

>= 运算符用于比较运算。当 >= 左边运算数值大于或等于 >= 右侧运算数值时,>= 运算符返回结果为 true

语法结构

  1. > SELECT x >= y;

示例

  1. mysql> SELECT 2 >= 2;
  2. +--------+
  3. | 2 >= 2 |
  4. +--------+
  5. | true |
  6. +--------+
  7. 1 row in set (0.01 sec)
  1. create table t1 (spID smallint,userID bigint,score int);
  2. insert into t1 values (1,1,1);
  3. insert into t1 values (2,2,2);
  4. insert into t1 values (2,1,4);
  5. insert into t1 values (3,3,3);
  6. insert into t1 values (1,1,5);
  7. insert into t1 values (4,6,10);
  8. insert into t1 values (5,11,99);
  9. mysql> select userID,spID,score from t1 where spID>=userID*score;
  10. +--------+------+-------+
  11. | userid | spid | score |
  12. +--------+------+-------+
  13. | 1 | 1 | 1 |
  14. +--------+------+-------+
  15. 1 row in set (0.01 sec)