參考表：student
多字段查詢
復制代碼 代碼如下:
mysql> select id,name,birth from student;
所有字段查詢
復制代碼 代碼如下:
mysql> select * from student;
where指定查詢
復制代碼 代碼如下:
mysql> select * from student where id=901;
mysql> select * from student where id>=904;
mysql> select name from student where department='計算機系';
in指定集合查詢
復制代碼 代碼如下:
mysql> select * from student where birth in(1988,1990);
mysql> select * from student where id in(903,906);
not in非范圍查詢
復制代碼 代碼如下:
mysql> select * from student where birth not in(1990,1998);
between and指定范圍查詢
復制代碼 代碼如下:
mysql> select * from student where birth between 1986 and 1988;
not between and不在指定范圍的查詢
復制代碼 代碼如下:
mysql> select * from student where id not between 904 and 906;
like字符串匹配查詢
復制代碼 代碼如下:
mysql> select * from student where name like '_三';
mysql> select * from student where name like '張三';
mysql> select * from student where name like '張%';
not like不匹配查詢
復制代碼 代碼如下:
mysql> select * from student where name not like '張%';
null查詢
復制代碼 代碼如下:
mysql> select * from student where address is null;
and多條件查詢
復制代碼 代碼如下:
mysql> select * from student where name like '張%' and birth>1985;
mysql> select * from student where name like '張%' and birth>1985 and id like '%3';
or多條件查詢
復制代碼 代碼如下:
mysql> select * from student where id=905 or birth=1988;
mysql> select * from student where id=905 or birth=1988 or sex='女';
distinct查詢結果不重復
復制代碼 代碼如下:
mysql> select distinct sex from student;
mysql> select distinct department from student;
order by查詢結果排序
復制代碼 代碼如下:
mysql> select * from student order by birth;
mysql> select * from student order by birth asc;
mysql> select * from student order by birth desc;
group by分組查詢
復制代碼 代碼如下:
mysql> select sex,group_concat(name) from student group by sex;
mysql> select sex,count(name) from student group by sex;
正則表達式查詢
復制代碼 代碼如下:
mysql> select * from student where birth regexp '1988|1990';
limit限制查詢結果數量
復制代碼 代碼如下:
mysql> select * from student limit 2;
mysql> select * from student limit 1,3;
