NEVER use float, unless your smart enought to know when it's going to work right, because most of the time it wont. Viewing 15 posts - 16 through 30 (of 34 total) Prev 1 2 3 Next You must be logged in to reply to this topic.Login to reply...
> hostID int, tup time,tdown time) As expected not easy for an SQL query. I'll try to do it by myself using an application in PHP or whatever. Thank you! Simon Subject Written By Posted [SQL] Calculate time between dates Simone Felici ...
SQL join types How to calculate customer lifetime value (LTV) with SQL Debugging SQL Debugging SQL syntax errors Debugging SQL query logic Debugging duplicated data in SQL query results Debugging missing data in SQL query results Database fundamentals A short overview of databases Data...
The CALCULATE function in DAX is the magic key for many calculations we can do in DAX. However, it is not pretty intuitive how it works and I spent a lot of time trying to understand how it can be used. DAX的CALCULATE函数是很多应用场合的关键。然而,它的工作原理远没有看上去那么简单,需要...
SQL Server 2012 - Calculate time in state based on state changeYou can use window functions, ...
Die CALCULATE-Anweisung wird automatisch als erste Anweisung in das MDX-Skript eines Cubes einbezogen, wenn Sie einen Cube mit SQL Server Data Tools (SSDT) erstellen. Die CALCULATE-Anweisung weist alle Zellen im Cube an, beim Aggregieren mit Zellen geringerer Granularität zu beginnen. Wenn na...
DATEADD Adds an interval to a date value in SQL Server. DATEDIFF Calculates the difference between two dates in MySQL and SQL Server. DATEPART Extracts a specific part of a date/time value in SQL Server. GETDATE Retrieves database time in SQL Server. SYSDATE Retrieves database time ...
I can't calculate in case when sql. it always return wrong value actual_amount= 17.5 expexted_amount=0 select case when cast (cast ([actual_amount] as float) as money) - cast (cast ([expected_amouunt] as float) as money) < 0 then cast (cast
java.sql.Timestamp日期格式为:年月日时分秒纳秒(毫微秒) java.sql.Date类 (1)getTime方法返回毫秒数 (2)互相转换 new java.sql.Date(new java.util.Date().getTime()) new java.util.Date(new java.sql.Date(0).getTime()) 五、利用以上各个类的功能,我们可以很简单的实现一些时间计算的功能,下面看几...
is ready to run (Returns t/f). Based on this query you can get the next run date & time...