Wh开发者_Go百科ich databse must I install to be able to run examples in the following link: http://msdn.microsoft.com/en-us/library/ms181765.aspx
I\'m modelling a database and I want to ask about the Varchar type. Is there any performance difference between Varchar(50) and Varchar(100)?
I am not completely sure how to articulate this, so please be sure to ask me to clarify something if it isn\'t clear.Here is what I want to do:
I want to query some data in multiple tables as if it were one table. There are about 10 tables, all with different columns but with 5 matching columns. Ideally I would re-design the tables so that th
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will开发者_StackOverflow like
We have requirement where 2 months and 2 years are provided as input. And the result should provide a comma separated month-year all the months b开发者_如何学Goetween the from month-year and to month-
I have a business requirement to search through a database table where one of the columns is a bitwise integer and remove the base values from a table.
I am using SSMS 2008.Should be a simple solution to this.I am trying to pull all records from table A, but only pull in matching records from tables B and C.The problem is that if I left join tables B
I have a query like : SELECT .. FROM ... WHERE ... AND ISNULL(ICA.actual_appearance_date, ICA.scheduled_appearance_date)
are there a simple way to select all record that are between two date. should i use datetime for filed type or i can use string type too. something like this :