seems to be an implementation of SQL Design, but I did not test, interested to see it

Packet : 288139sql__explorer.rar filelist
SQL 执行器的设计与实现\ConnectInfo.java
SQL 执行器的设计与实现\ConnectionFactory.java
SQL 执行器的设计与实现\ConnectManager.java
SQL 执行器的设计与实现\EjbConnection.java
SQL 执行器的设计与实现\IConnection.java
SQL 执行器的设计与实现\JdbcConnection.java
SQL 执行器的设计与实现\SqlClt.java
SQL 执行器的设计与实现

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