create a job to get the previous row salary for the current row.if there is no previous row exists for the current row,then the previous row salary should be displayed as null? empid salary previoussalary 10 1000 null 20 2000 1000 30 3000 2000 40 4000 30005 20541
Which command puts a script to sleep untill a signal is recieved?
What is the sensitive part of the liner
i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is firstname.lastname@example.org please tell me interview question relative to instrumentation ?
What is neural network in artificial intelligence?
How can I understand electronic/electrical panel wiring & drawing?
Explain what is meant by reverse logistics?
What are the uses of Amazon web services?
How to retrive a single data from a database
What is enterprise bean?
if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?
What are the four characteristics of Big Data?
How much does social media marketing cost? What’s the roi?
Input Split & Record Reader and what they do?
What are the different installation options available for SAP PI system?