I am converting an app\'s database from Access to MS SQL Server and encountered a problem with a line of code that checks to see if an it开发者_开发问答em retrieved from the database is null.
I\'m using MySQL v.5.0.77 and I was wondering if it is possible to count the number of tables in a database. I have done a lot of research and am unable to find a way to do this that is not depreciate
I am desperately trying to get sum of values from range of time over several days, the problem is the range overlaps a day e.g from 15:00 to 10:00 but unfortunately I cant come up with another solutio
I am developing a web app using zend framework and the problem is about combining 2 sql queries for improving efficiency. My table structure is like this
i search the web for answer, but all the answers refer to composite id PK. i want two map two columns of type long to PK.
There\'s a table that has three fields: id, word, username And it currently has d开发者_Go百科ata like this:
I\'m just moving my rails app to a new development machine. for the first time, I am running rails on ubuntu in a virtualbox on a windows 7 host OS.
I have a few tables in a c# application I\'m currently working on and for 4/5 of the tables everything saves perfectly fine no issues. For the 5th table everything seems good until I reload the progra
Here I have four tables in my database named test_center. Those are: test_user --> PK = u_id test_metadata --> PK = test_id
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