i have oracle table A and target B. i don't know how many
records. i want get get last record in table A as first record
in target table B. write a sql query?

Answer Posted / devi

CREATE TABLE B
AS
SELECT * FROM A
ORDER BY ROWNUM DESC;

Is This Answer Correct ?    26 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain about Informatica server process that how it works relates to mapping variables?

622


What are the popular informatica products?

650


One of the optimizing technique to improve the session performance is push down optimization,by using push down optimization we push as much as transformation logic to source/target database,but this degrades the d/b performance,how to overcome this?

1749


How does the aggregator transformation handle null values?

697


Debugger what are the modules, what are the options you can specify when using debugger, can you change the expression condition dynamically when the debugger is running.

1868






Explain pushdown optimization $pushdownconfig parameter - informatica

701


source : xml file target: xml file how can we check data loaded into target xml file using writing sql query. pls help on this asap.

2295


What are the informatica performance improvement tips

615


What is the way to execute pl/sql script using informatica mapping?

962


How to use procedural logic inside infromatica?

636


permutations of mapplet

2038


Where do we use mapping variables in informatica?

613


how to load dimension table and fact table. plz tell me the steps.

1684


Why update strategy and union transformations are active?

592


How to create the list file having millions of flat files while indirect loading in informatica? In indirect file loading, suppose we have less no.of flat files then we can enter files names manually in list file creation. If millions of files are there, how can we enter the flat file names in list file?

1463