This document discusses options for comparing database schemas, including using complex SQL queries, commercial software tools, or the Compalex tool. Compalex can compare schemas across different databases and platforms from the command line, and it offers an online demo.

1. How to compare database
schemas?
compalex.net

2. Use complicated SQL-query

3. … or use commercial software …
AdeptSQL Diff
ApexSQL Diff
CompareDB
DB SynchroComp
Devart dbForge Schema Compare for SQL Server
EMS DB Comparer for SQL Server
Gemini Delta
ideaMK dbComparer
idera SQL Comparison Toolset
IDS Sql Examiner
Innovartis DB Ghost Change Manager

4. … or use Compalex …

5. … even in the command line …

6. … works on all platforms * …
* - php 5.4 with PDO support required

7. … support databases …

8. try demo online
http://demo.compalex.net