What are the steps you will take to improve the performance of a poor performing query?

1020

Hi, I want to change date type char value integer value? I tried alter table tab_name modify (newcolumn newdatetype). But The columns have 10 million values(char type) so I want to load now numeric data. How it is possible? Old Values New Value(I want to load numeric data but the old value should be there in the column) Y 1 N 0 ERROR at line 1: ORA-01439: column to be modified must be empty to change datatype Please help on this. Thanks, GM

4252

What are different advantages of using sap solman infrastructure?

1

What’s the major difference between a restart and a graceful restart of a web server such as apache?

1012

How will you do beta testing?

1111

What is the difference between extend and include?

1

What is contract? What are the types of contract?

872

What is the best hardware configuration to run Hadoop?

1665

what is hadoop archive?

969

What is available mechanism for connecting from applications, when we run hive as a server?

815

What are the different theories of failure under static load?

1356

How to schedule ssas database backup

1043

What are some of the important spring annotations which you have used?

420

purpose of abstraction and interface

2057

Explain about the defined operator?

5