1 /* 2 SmallInt 是在 2 个字节来存放的整数。 最大值为 32,767。 最小值为 -32,767。 3 */ 4 5 --select smallint 6 7 select datalength('retetrte') 字符串长度 8 9 select * from systypes where name like '%int%' order by name 10 11 select * from systypes where name like '%da%' order by name 12 13 select * from systypes where name like '%var%' order by name 14 15 select * from systypes where name like '%text%' order by name 16 17 select d1.length,name from systypes d1 where name like '%int%' order by length 18 19 select d1.length,name,* from systypes d1 where name like '%int%' order by d1.name