13. Universal replication - PC SOFT - Online documentation

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Part 5 - Databases

13. Universal replication

1. Analysis: Database structure

2. The analysis in practice

3. The different types of accessible files

4. HFSQL Classic

5. HFSQL Client/Server

6. HFSQL Client/Server clusters

7. HFSQL: files physically created

8. Associating controls with data

10. The embedded queries

11. The Table/Looper controls

12. Retrieving data from a site

13. Universal replication

14. 3-tier architecture

WINDEV

Windows

Linux

Universal Windows 10 App

Java

Reports and Queries

User code (UMC)

WEBDEV

Windows

Linux

PHP

WEBDEV - Browser code

WINDEV Mobile

Android

iPhone/iPad

Apple Watch

Universal Windows 10 App

Windows Mobile

Others

Stored procedures

13. Universal replication

Table of contents

Universal replication allows updating databases of similar or different formats (HFSQL Classic, Oracle, SQL Server, etc.). For example, you can synchronize an HFSQL Classic database with an Oracle database.

Universal replication uses a centralized model: all databases are synchronized with a master database. Then, the master database applies the modifications to the other databases.

The synchronization can be adapted to special cases. For example, you can retrieve the records regarding a specific product, or the records created on a specific date, manage conflicts, etc.

These adaptations must be done by programming with HRplFilterProcedure.

Table of contents

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Last update: 11/30/2020

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