SQL query

I'd like to get more practice on complex SQL query. Can any one recommend a book, such as the one with a lot exercises?

Thanks in advance.

所有跟帖： 

• 這種書多的是，上書店看看，應當是一籮筐的。 -老九不能走- ♂ (0 bytes) () 08/03/2010 postreply 18:11:50

• Thanks. I did but didn't find one a lot practice. -dukect- ♀ (0 bytes) () 08/03/2010 postreply 19:25:18

• 多買幾本，落一起舊多了 -世界無童話- ♀ (0 bytes) () 08/03/2010 postreply 19:29:39

• There is one: -竹杉林- ♂ (24 bytes) () 08/03/2010 postreply 19:34:28

• Thank you very much -dukect- ♀ (0 bytes) () 08/03/2010 postreply 21:26:20

• SQL Sample questions -美國老土- ♂ (210 bytes) () 08/03/2010 postreply 22:33:30