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A block has the following structure: DECLARE /* Declarative section: variables, types, and local subprograms.*/ BEGIN /* Executable section: procedural and SQL statements go here.The possible modes are at the end runs the statement that creates the procedure; it does not execute the procedure.To execute the procedure, use another PL/SQL statement, in which the procedure is invoked as an executable statement.
Every variable has a specific type associated with it. In this case, it is essential that the variable have the same type as the relation column.
The implicit ROWID field is not available in the Fields property, but you can read it from the Table property. After an SQL command execution, the application may process DBMS_OUTPUT feedback using Messages.