Relational Model
Compare by Operating System
Windows
Mac OS X
Linux
$0
GPL v2
SQL Compare SQL Database Management System
Bitmap
Hash
Cursor
External Routine
Function
Procedure
None
Except
Inner Joins
Inner Selects
Intersect
Merge Joins
Outer Joins
Union
ACID Compare Database Management System with ACIDUnicode Compare Database Management System with Unicode
FAQ
Mailing List
LucidDB (luciddb.org)
Object-relational Model
Compare by Operating System
Windows
Mac OS X
Linux
UNIX
BSD
$0
Unknown
SQL Compare SQL Database Management System
Bitmap
Expression
Full-text
GIN
GiST
Hash
Partial
R-/R+ Tree
Reverse
Unknown
Cursor
Data Domain
External Routine
Function
Procedure
Trigger
Temporary Table
Blobs and Clobs
Common Table Expressions
Except
Inner Joins
Inner Selects
Intersect
Merge Joins
Outer Joins
Union
Windowing Functions
Compare by Features
ACID
Backup
Referential Integrity
Transactions
Unicode
Email
Postgres Plus Advanced Server (enterprisedb.com)