Update README.md

Author: tomFlidr

README.md

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 # Databasic - All Packages
 
-[![Latest Stable Version](https://img.shields.io/badge/Stable-v1.2.0-brightgreen.svg?style=plastic)](https://github.com/databasic-net/databasic-core/releases)
+[![Latest Stable Version](https://img.shields.io/badge/Stable-v1.2.4-brightgreen.svg?style=plastic)](https://github.com/databasic-net/databasic-core/releases)
 [![License](https://img.shields.io/badge/Licence-BSD3-brightgreen.svg?style=plastic)](https://raw.githubusercontent.com/databasic-net/databasic-core/master/LICENCE.md)
 ![.NET Version](https://img.shields.io/badge/.NET->=4.0-brightgreen.svg?style=plastic)
 
-Databasic - C#/VB.NET database utility
+C#/VB.NET database utility to write pure Microsoft SQL/MySQL/MariaDB/PostgreSql/Oracle/SQLite/ODBC/OLEDB queries with beautifull API, to load data into environment variables and instances and to execute any pure SQL nonquery.
+
+**This is universal package** containing references to all Databasic modules and ADO.NET providers.
+It's not a mistake to use this universal package, but your application could start a slightly slower to initialize all libraries.
+
+If you want to use only a specific database type, install package like: Databasic<DatabaseType>
+      
 This package contains references to all database provider libraries:
-- Microsoft SQL
-- MySql
+- Microsoft SQL Server
+- MySql/MariaDB
 - PostgreSql
+- OracleSql
 - SQLite
-- OracleSql (in progress)
+- ODBC
+- OLE DB