How to add a new column to an existing table in oracle?

71

What is a xpath query?

36

Explain incremental aggregation in informatica

100

What are the advantages and disadvantages of public-key cryptography over secret-key cryptography?

82

What do you mean by presentation?

9

Which trace 255 command line options produces the trace file with the name?

44

How do you find recently downloaded files?

31

How to backup SQL Server Reporting Services ?

9

What is dimension table? : sql server analysis services, ssas

73

How onclick works in javascript?

43

Difference between Value type & reference types ? and give the example in .Net?

85

How can a user be able to load the data to amazon redshift from completely different data sources like amazon rds, amazon dynamodb and amazon ec2?

1

Are actions thread safe?

64

How do you password protect a powerpoint?

9

What is NameNode? How NameNode tackle Datanode failures in Hadoop?

5