>@Ravi >My company is trying to avoid another vendor lockin too , thats why we are bit skeptical >on going to EDB as once we start using their Oracle compatability >feature then it will be very difficult to move to community addition again. As far as I know, vendor lock in applies only if you want to use Oracle features like PLSQL. If I am not mistaken, EDB also supports community version of PG, no different than support from Crunchy Data Solutions or 2nd Q. You have that option too if you don't want to be locked in.