I have two different tables with similar schema in different database. What is the best way to compare records between these two tables. I need to find out-
I have two tables here: ITEMS ID| DETAILS| .....| OWNER USERS: ID| NAME|.... Where ITEMS.OWNER = USERS.ID I\'m listing the items out with their respective owners names. For this I could use a joi
Let\'s say I want to display a list of books and their authors.In traditional database design, I would issue a single query to retrieve rows from the Book table as well as the related Author table, a
This is the first time I\'m approaching an extremely high-volume situation. This is an ad server based on MySQL. However, the query that is used incorporates a lot of JOINs and is generally just slow.
To make a long story short, one part of the application I\'m working on needs to store a somewhat large volume of data in a database, for another part of the application to pick up later on. Normally
IQueryable<WebEvent> mySearch = eventDC.GetBooks() .W开发者_JAVA百科here(p => p.Price.Any(d => d.EventDatetime.Month == fromDate.Month
I will do microblogging web service (for school, so don\'t blast me for lack of new idea) and I worry that DB could be often be overloaded (user could following other users or even tag so I suppouse开