建表语句如下：
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1
2
3
4
5
6
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CREATE
TABLE
`
order
` (
`id`
INTEGER
UNSIGNED
NOT
NULL
AUTO_INCREMENT,
`order_name`
VARCHAR
(45)
NOT
NULL
,
`order_time` DATETIME
NOT
NULL
,
PRIMARY
KEY
(`id`)
)
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1，查询当天（今天）的数据
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1
|
SELECT
*
FROM
`
order
`
WHERE
TO_DAYS(order_time) = TO_DAYS(NOW())
|
2，查询昨天的数据
|
1
|
第一种：SELECT
*
FROM
`
order
`
WHERE
TO_DAYS(NOW()) - TO_DAYS(order_time) = 1
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3，查询最近7天的数据（包括今天一共7天）
|
1
|
SELECT
*
FROM
`
order
`
where
DATE_SUB(CURDATE(), INTERVAL 7
DAY
) <
date
(order_time)
|
4，查询最近30天的数据（包括今天一共30天）
|
1
|
SELECT
*
FROM
`
order
`
where
DATE_SUB(CURDATE(), INTERVAL 30
DAY
) <
date
(order_time)
|
5，查询当月（本月）的数据
|
1
|
SELECT
*
FROM
`
order
`
WHERE
DATE_FORMAT(order_time,
'%Y%m'
) = DATE_FORMAT(CURDATE(),
'%Y%m'
)
|
6，查询上个月的数据
|
1
|
SELECT
*
FROM
`
order
`
WHERE
PERIOD_DIFF(DATE_FORMAT(NOW(),
'%Y%m'
), DATE_FORMAT(order_time,
'%Y%m'
)) =1
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7，查询本季度的数据
|
1
|
SELECT
*
FROM
`
order
`
WHERE
QUARTER(order_time)=QUARTER(NOW())
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8，查询上季度的数据
|
1
|
SELECT
*
FROM
`
order
`
WHERE
QUARTER(order_time)=QUARTER(DATE_SUB(NOW(),INTERVAL 1 QUARTER))
|
9，查询当年（今年）的数据
|
1
|
SELECT
*
FROM
`
order
`
WHERE
YEAR
(order_time)=
YEAR
(NOW())
|
10，查询去年的数据
|
1
|
SELECT
*
FROM
`
order
`
WHERE
YEAR
(order_time)=
YEAR
(DATE_SUB(NOW(),INTERVAL 1
YEAR
))
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