I am working with a SQLite database and I have three tables describing buildings,rooms and scheduled events.
I have a list of user login and logout stamps. Unfortunately a LOGIN entry might not always be followed by a LOGOUT entry.
I am not quite sure how to go about doing this. Basically I have have a table like this UserIdDateRequestedApproved ApprovedByNotes
Currently i have a table built up like this way DeviceIDTimestampValue ----------------------------------------
I have a SQL Record that has number 开发者_如何学编程that are all out of order (has gaps) for example: 1,2,3,7,9,11.....
I know some basic SQL, but this one is beyond me. I have looked high and low but no dice. I need a view of the following data, I can do this in the application layer code. But unfortunately for this p
I have tried several topics like this one: How to find missing data rows using SQL? here, but I couldn\'t make it work in my situation.
Suppose you have a table like (am using SQL Server 2008, no audit log - table is HUGE): SecID | Date| Price
Guysi have a requirement to list all the dates of the previous monthlike below 20101201 20101202 20101203
I have data in the format: Date, FirstName, LastName, Unit Jan1 , Bob, Guy, Home Jan2 , Bob, Guy, Home Jan3 , Bob, Guy, Home
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