|Date Added||Jun 14, 2010|
|File Size||0.001 MB|
Context Database Extensions Suite provides following additional functionality:
Persistent Database Schema. Database Schema contains the description of tables, relations between them as well as triggers and sql statements that could be used to update a database to the version required by the current version of application. Database Schema may be stored within application or in the database (System tables) or as an external file.
RI Constraints. Relations between tables, defined within database schema, allows to implement various types of referential integrity (RI) constrains (Error, Cascade and Nullify for delete & update operations). Please, note, that processing of RI constraints might sometimes considerably slow down some delete and update operations.
Replications. All changes made to records can be automatically written into a separate table ('Objects' tables) and used for database replications. TxxDatabaseExt provides methods, that could be used to create & synchronize snapshots with the main database.
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