<pre name="code" class="sql"><pre name="code" class="sql">mysql> desc Client
-> ;
+----------------------------+-------------+------+-----+-------------------+-----------------------------+
| Field | Type | Null | Key | Default | Extra |
+----------------------------+-------------+------+-----+-------------------+-----------------------------+
| sn | int(11) | NO | PRI | NULL | auto_increment |
| uuid | char(32) | NO | UNI | | |
| userNick | char(20) | NO | UNI | | |
| password | char(32) | NO | | | |
| tradePassword | char(32) | NO | | | |
| accountType | char(1) | NO | | NULL | |
| registerType | char(1) | NO | | | |
| mobilePhone | char(11) | NO | UNI | NULL | |
| mailBox | char(60) | NO | | | |
| weixinAccount | char(60) | NO | | | |
| introducerSn | int(11) | NO | | NULL | |
| introducer | varchar(50) | NO | | | |
| status | char(1) | NO | | | |
| registerTime | datetime | YES | | NULL | |
| passwordErrNum | tinyint(4) | NO | | 0 | |
| lastLoginTime | timestamp | NO | | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP |
| tradePasswordErrNum | tinyint(4) | NO | | 0 | |
| lastInputTradePasswordTime | timestamp | NO | | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP |
+----------------------------+-------------+------+-----+-------------------+-----------------------------+
18 rows in set (0.00 sec)
lastLoginTime | timestamp | NO | | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP
mysql> select userNick ,lastLoginTime from Client where lastLoginTime >=timestamp'2015-09-21 00:00:00';
select userNick ,lastLoginTime from Client where lastLoginTime >=timestamp'2015-10-10 00:00:00' and lastLoginTime <=timestamp'2015-10-10 15:00:00'
select userNick ,lastLoginTime from Client where lastLoginTime >='2015-10-10 00:00:00' and lastLoginTime <='2015-10-10 15:00:00'
怎么查等于2015-09-21的呢?
mysql> select userNick ,lastLoginTime from Client where date_format(lastLoginTime,'%Y-%m-%d' )='2015-09-21';
+-----------------+---------------------+
| userNick | lastLoginTime |
+-----------------+---------------------+
| fangen001 | 2015-09-21 22:24:01 |
| nanshitx | 2015-09-21 15:53:43 |
| hgang | 2015-09-21 13:54:33 |
| mitawang | 2015-09-21 16:00:33 |
| chengxixin | 2015-09-21 14:37:22 |
| zhangky | 2015-09-21 10:36:18 |
| lijunwen | 2015-09-21 16:28:38 |
| nhcaochong | 2015-09-21 19:45:51 |
| drs7361 | 2015-09-21 10:30:38 |
date time日期类型呢?
mysql> desc OfflineRechargeOrder;
+-------------+-------------------------+------+-----+--------------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------------+-------------------------+------+-----+--------------+----------------+
| sn | int(11) | NO | PRI | NULL | auto_increment |
| clientSn | int(11) | NO | | NULL | |
| orderNo | char(32) | NO | | | |
| type | char(1) | NO | | 1 | |
| amount | decimal(25,10) unsigned | NO | | 0.0000000000 | |
| bankFlowId | varchar(50) | NO | | | |
| bankCardID | varchar(20) | YES | | | |
| evidenceImg | varchar(150) | NO | | | |
| remark | varchar(500) | NO | | | |
| status | char(1) | NO | | 1 | |
| clearTime | date | NO | | NULL | |
| createdTime | datetime | YES | | NULL | |
| verifyTime | datetime | YES | | NULL | |
| verifyUser | int(11) | YES | | NULL | |
| approveTime | datetime | YES | | NULL | |
| approveUser | int(11) | YES | | NULL | |
+-------------+-------------------------+------+-----+--------------+----------------+
16 rows in set (0.00 sec)
mysql> select clientSn,createdTime,clearTime from OfflineRechargeOrder where clientSn=96 and date_format(createdTime,'%Y-%m-%d' )='2015-09-21';
+----------+---------------------+
| clientSn | createdTime |
+----------+---------------------+
| 96 | 2015-09-21 15:38:52 |
+----------+---------------------+
1 row in set (0.00 sec)
mysql> select clientSn,createdTime,clearTime from OfflineRechargeOrder where clientSn=96 and date_format(createdTime,'%Y-%m-%d' )='2015-09-21';
+----------+---------------------+------------+
| clientSn | createdTime | clearTime |
+----------+---------------------+------------+
| 96 | 2015-09-21 15:38:52 | 2015-09-21 |
+----------+---------------------+------------+
1 row in set (0.00 sec)
select clientSn,createdTime,clearTime from OfflineRechargeOrder w where w.createdTime >'2015-10-10 00:00:00' and w.createdTime <'2015-10-10 15:00:00'
| clearTime | date date型；
mysql> select clientSn,createdTime,clearTime from OfflineRechargeOrder where clearTime='2015-09-21';
+----------+---------------------+------------+
| clientSn | createdTime | clearTime |
+----------+---------------------+------------+
| 15 | 2015-09-21 14:48:58 | 2015-09-21 |
| 615 | 2015-09-21 15:04:31 | 2015-09-21 |
| 57 | 2015-09-21 15:20:00 | 2015-09-21 |
| 96 | 2015-09-21 15:38:52 | 2015-09-21 |
| 461 | 2015-09-21 15:40:28 | 2015-09-21 |
+----------+---------------------+------------+
5 rows in set (0.00 sec)
mysql> create table t100(id int,clearTime date);
Query OK, 0 rows affected (0.09 sec)
mysql> insert into t100 values(1,'2015-09-21 14:48:58');
Query OK, 1 row affected, 1 warning (0.01 sec)
mysql> insert into t100 values(2,'2015-09-21 15:04:31');
Query OK, 1 row affected, 1 warning (0.01 sec)
mysql> insert into t100 valyes(3,'2015-09-21 09:00:00');
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'valyes(3,'2015-09-21
09:00:00')' at line 1
mysql> insert into t100 values(3,'2015-09-21 09:00:00');
Query OK, 1 row affected, 1 warning (0.02 sec)
mysql> select * from t100;
+------+------------+
| id | clearTime |
+------+------------+
| 1 | 2015-09-21 |
| 2 | 2015-09-21 |
| 3 | 2015-09-21 |
+------+------------+
3 rows in set (0.00 sec)
mysql> select * from t100 a where a.clearTime>'2015-09-21 09:00:00';
Empty set (0.00 sec)
mysql> create table t200(id int,cleartime datetime);
Query OK, 0 rows affected (0.07 sec)
mysql> insert into t200 values(3,'2015-09-21 09:00:00');
Query OK, 1 row affected (0.01 sec)
mysql> select * from t200;
+------+---------------------+
| id | cleartime |
+------+---------------------+
| 3 | 2015-09-21 09:00:00 |
+------+-------------------