Sql 语句函数
Sql function for statement
我下面有 table:
现在我需要 table 比如:
Here:If TransType='Deposit' 那么它需要在 Debit 中,如果 TransType='Withdraw' 那么它需要在 Credit 中,并且 Debit-Credit 从头到尾作为 Statement(Balance)。你能给出任何解决方案吗?
请向我询问进一步的说明。
平衡有点棘手。剩下的就是简单的 case
:
select t.*,
(case when TransType = 'Deposit' then amount end) as credit,
(case when TransType = 'Withdraw' then amount end) as debit,
sum(case when TransType = 'Deposit' then amount
when TransType = 'Withdraw' then - amount
end) over (partition by BankName order by TransDate
) as balance
from t;
就我得到的问题而言,您需要 2 个带有 'where' 子句的查询。
例如"Select BankName, TransDate, TransMiti, Description from TableName where TransType = "存款""
WithDraw 也一样。
这是 link 以了解更多信息。
https://www.w3schools.com/sql/sql_where.asp
我下面有 table:
现在我需要 table 比如:
平衡有点棘手。剩下的就是简单的 case
:
select t.*,
(case when TransType = 'Deposit' then amount end) as credit,
(case when TransType = 'Withdraw' then amount end) as debit,
sum(case when TransType = 'Deposit' then amount
when TransType = 'Withdraw' then - amount
end) over (partition by BankName order by TransDate
) as balance
from t;
就我得到的问题而言,您需要 2 个带有 'where' 子句的查询。 例如"Select BankName, TransDate, TransMiti, Description from TableName where TransType = "存款"" WithDraw 也一样。 这是 link 以了解更多信息。 https://www.w3schools.com/sql/sql_where.asp