postgresql and oracle recur-ency select statement

postgresql and oracle recur-ency select statement

References

Reference NO 1

http://stackoverflow.com/questions/15202641/postgresql-and-oracle-recursive-select-statement

Reference NO 2

http://en.wikipedia.org/wiki/Hierarchical_and_recursive_queries_in_SQL

Reference NO 3

http://en.wikipedia.org/wiki/Database

Reference NO 4

http://blog.smaldone.com.ar/2008/12/29/is-mysql-a-toy-rdbms/

Reference NO 5

http://www.ccs.neu.edu/home/ek/

Reference NO 6

http://developers.slashdot.org/story/13/05/29/0241202/30000-for-a-developer-referral

Reference NO 7

http://it.toolbox.com/blogs/oracle-guide/sql-question-pivots-analytics-and-the-judicious-use-of-row_number-10156

Reference NO 8

http://www.mediawiki.org/wiki/MediaWiki_architecture_document/text/revision_2