Which is an abstract class.
AS per the above observations, all types of connection classes will be having the same method names and same property names.
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Con. open (); Con . close (); Con. Open ();
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DDL: create, alter, drop DML: insert, delete, update TCL: commit, rollback, savepoint QL: select Stored Procedure is a collection of SQL Statements.
Execute Reader () returns Data reader.
ENO ENAME SAL
1 Ravi 5000
1000 Select * from EMP ;
Execute Reader () ALL
Execute Scalar () ALL
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