oracle psql <-> sqlserver tsql

sql sever - oracle

sql sever	oracle
IsNull(feld,NullErsetzWert)	NVL(Fld,NullReplWert)
select * into dest from source	create dest as select * from source
select top 10 * from x	select * from x where rownum<=10

c#<->vb.net

c#	vb.net
using namespace	imports namespace
string s="Hallo"	dim s as String="Hallo"
this	me
And, or kurzschluss auswertung	andalso, orelse