Modern RDBMSs perfom the following functionc except ______________.
a) Force column values in one table to match any of the values in a column of another table
b) Automatically replicate data on another server
c) Automatically create new indexes based on query history
d) Prevent unauthorized users from accessing data at the firls level

How to find Max and Min of date in aggregation ?


Input:
Empid start_date End_date Sal
1 2015-01-01 2015-12-31 1000
1 2016-01-01 2017-05-29 2000
2 2014-01-01 2015-12-31 1000
2 2016-01-01 2017-03-15 800
3 2011-01-01 2015-12-31 1000
3 2016-01-01 2017-05-10 1200
4 2016-01-01 2017-02-14 2000


Output_Should be like...

Hello.
I am a programmer, VB .NET.
I have a Question about the design tools in this photo.
Whether the list box is used?or tree view?
What tools are used?
Thank you.
http://8pic.ir/images/33xmknxxknbl5sbrg3ci.jpg

what is Low level document(LLD) and high level document(hld) and mapping document what they contain?

The code below ,is for uploading attachments to quality center 10.00

Function UpLoadAttachmentToQC(FilePath)
Set ObjCurrentTest = QCUtil.CurrentTest.Attachments
Set ObjAttch = ObjCurrentTest.AddItem(Null)
ObjAttch.FileName = FilePath
ObjAttch.Type = 1
ObjAttch.Post
ObjAttch.Refresh
End Function

FilePath=”C:abc.vbs”

What are the major differences between the two approaches to data planning and modeling – enterprise modeling and view integration? Why do these two methodologies usually yield different results? In what ways does the existence of pre-packaged data models affect these approaches?

What are Data Validation Strategies for Data Mart?

How does replication takes place between two sites?

Outline the procedure for the feasbility study of building datawarehouse for a company.