IN 操作符
http://www.w3school.com.cn/sql/sql_in.asp
SELECT column_name(s)
FROM table_name
WHERE column_name IN (value1,value2,…)
SQL SELECT DISTINCT 语句
http://www.w3school.com.cn/sql/sql_distinct.asp
SELECT DISTINCT Company FROM Orders
AND 和 OR 运算符
http://www.w3school.com.cn/sql/sql_and_or.asp
SELECT * FROM Persons WHERE FirstName=’Thomas’ANDLastName=’Carter’
BETWEEN 操作符
操作符 BETWEEN … AND 会选取介于两个值之间的数据范围。这些值可以是数值、文本或者日期。
日期格式
2009-01-22 21:22:22
2009-01-22 19:21:11
2009-01-22 23:10:22可以省略时分秒
SELECT column_name(s)
FROM table_name
WHERE column_name
BETWEEN “2018-01-10” AND “2018-10-10”
SQL JOIN
http://www.w3school.com.cn/sql/sql_join.asp
SELECT Persons.LastName, Persons.FirstName, Orders.OrderNo
FROM Persons, Orders
WHERE Persons.Id_P = Orders.Id_P
SELECT Apps.id, Apps.displayName, Apps.state, Categories.id, Categories.first FROM Apps
INNER JOIN AppCategories ON Apps.id = AppCategories.appId
INNER JOIN Categories ON Categories.id = AppCategories.categoryId
WHERE Apps.state = ‘Published’ AND AppCategories.categoryId IN
(SELECT Categories.id FROM Categories WHERE Categories.type = “Solution Area”)
三表
SELECT Apps.id, Apps.displayName, Developers.displayName AS developer, Apps.state, Categories.first AS SolutionArea FROM Apps
INNER JOIN AppCategories ON Apps.id = AppCategories.appId
INNER JOIN Categories ON Categories.id = AppCategories.categoryId
INNER JOIN Developers ON Apps.developerId = Developers.id
WHERE Apps.state = ‘Published’ AND Categories.type = “Solution Area”
ORDER BY Apps.id
四表联表查询
SELECT DISTINCT Apps.id, Apps.displayName, Developers.displayName AS developer, Apps.state FROM Apps
INNER JOIN AppCategories ON Apps.id = AppCategories.appId
INNER JOIN Categories ON Categories.id = AppCategories.categoryId
INNER JOIN Developers ON Apps.developerId = Developers.id
WHERE Apps.state = ‘Published’ AND Categories.type = “Solution Area”
ORDER BY Apps.id
去重
获取report
SELECT Apps.id, Apps.displayName, Developers.displayName AS developer, Apps.state
FROM Apps
INNER JOIN Developers ON Apps.developerId = Developers.id
WHERE Apps.state = “published”
AND Apps.id NOT IN
(SELECT DISTINCT appId FROM AppCategories WHERE AppCategories.categoryId in
(SELECT id FROM Categories WHERE Categories.type = “Solution Area”))
获取admin
SELECT b.fullName, b.email, c.displayName AS developer, a.admin FROM DeveloperProfileMembers AS a
INNER JOIN UserCache AS b ON a.user = b.customerNumber
INNER JOIN Developers AS c ON a.developerId = c.id
WHERE a.admin = 1 AND a.state = “Approved” AND a.developerId IN
(
SELECT DISTINCT Developers.id AS developer
FROM Apps
INNER JOIN Developers ON Apps.developerId = Developers.id
WHERE Apps.state = “published”
AND Apps.id NOT IN
(SELECT DISTINCT appId FROM AppCategories WHERE AppCategories.categoryId in
(SELECT id FROM Categories WHERE Categories.type = “Solution Area”))
)
ORDER BY c.displayName
update
UPDATE appvmwareproducts SET vmwareProductId =
(
(
SELECT * FROM
(
SELECT id FROM vmwareproducts WHERE shortName = “vcns” AND version =
(
SELECT version FROM (
SELECT version, COUNT(*) AS count FROM vmwareproducts WHERE shortName = “vcns”
GROUP BY version
HAVING count > 1) a
)
) b LIMIT 1
)
)
WHERE vmwareProductId =
(
SELECT * FROM
(
SELECT id FROM vmwareproducts WHERE shortName = “vcns” AND version =
(
SELECT version FROM (
SELECT version, COUNT(*) AS count FROM vmwareproducts WHERE shortName = “vcns”
GROUP BY version
HAVING count > 1) a
)
) b ORDER BY id DESC LIMIT 1
)
DELETE FROM vmwareproducts WHERE id =
(
SELECT * FROM
(
SELECT id FROM vmwareproducts WHERE shortName = “vcns” AND version =
(
SELECT version FROM (
SELECT version, COUNT(*) AS count FROM vmwareproducts WHERE shortName = “vcns”
GROUP BY version
HAVING count > 1) a
)
) b ORDER BY id DESC LIMIT 1
)
