Database Comparer VCL 6.4.908.0

Authors Description

Database Comparer helps you to compare, synchronize and update databases structure.

You may compare one database with another database or database with SQL/DDL script or even two SQL/DDL scripts!

Database Comparer implements highly intelligent and robust synchronization algorithm. During first comparison step it takes Target database or Target SQL/DDL script and compare it to the Master database or Master SQL/DDL script trying to locate all structure differences and prepare final SQL script which will be applied to the Target and make its structure equal to Master structure.

At this stage Database Comparer extracts all objects, descriptions and links from both Master and Target structures and then compares actual objects from Master with objects from Target building final update SQL script. After final update SQL script is ready you can apply it to the Target database if it is available or just save it to the file and run it later.

Database Comparer supports following servers:

InterBase SQL server and it's clones - FireBird and Yaffil (Yaffil team recently announced merge with FireBird)
SQL Anywhere

Borland InterBase Express components library (IBX) is used by default to work with InterBase / FireBird. Alternatively Database Comparer supports Fast InterBase Plus components by Devrace (FIBPlus) and Interbase Objects (IBO) library.

Database Comparer can connect directly to the InterBase/FireBird databases via IBX or FIBPlus thus directly performs all operations such as database metadata extraction, SQL statements and scripts execution etc.

SQL Anywhere support is limited. Database Comparer can only work with SQL Anywhere scripts and can not connect directly to SQL Anywhere. You will have to provide Database Comparer with both master and target database scripts which will be parsed and compared. Result will be the DDL/SQL script which needs to be applied to the target database in order make target database structure fully identical to the master database structure.

The most unique features of the Database Comparer VCL are ability to perform full analysis of all types of the database objects and it's properties and generate the DDL/SQL script which will transform structure of the target database and makes it totally identical to the structure of the source database.

Generated DDL/SQL script can be executed by TIBSQLExec component on "statement by statement" basis and thus all errors which may occur during target database structure conversion process will be detected and properly resolved.

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