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DECLARE f_name varchar(20); BEGIN SELECT first_name INTO f_name FROM employees WHERE employee_id = 100; END;

DECLARE f_name varchar(20); BEGIN SELECT first_name INTO f_name FROM employees WHERE employee_id = 100; END;

AnonymousProcedureFunction[DECLARE] BEGIN -- statements [EXCEPTION] END;PROCEDURE name IS BEGIN -- statements [EXCEPTION] END;FUNCTION name RETURN datatype IS BEGIN -- statements [EXCEPTION] END; Anonymous : Not stored in the database. To run the same block again, you have to rewrite the same code again. Subprograms : Stored in the database and declared as either a Procedure or a function. ** A ..

AnonymousProcedureFunction[DECLARE] BEGIN -- statements [EXCEPTION] END;PROCEDURE name IS BEGIN -- statements [EXCEPTION] END;FUNCTION name RETURN datatype IS BEGIN -- statements [EXCEPTION] END; Anonymous : Not stored in the database. To run the same block again, you have to rewrite the same code again. Subprograms : Stored in the database and declared as either a Procedure or a function. ** A ..

DECLARE (Optional) Variables, cursors, user-defined exceptions BEGIN (Mandatory) - SQL Statements - PL/SQL statements EXCEPTION Actions to perform when errors occur END; (Mandatory) ** The END block is terminated with a semicolon.

DECLARE (Optional) Variables, cursors, user-defined exceptions BEGIN (Mandatory) - SQL Statements - PL/SQL statements EXCEPTION Actions to perform when errors occur END; (Mandatory) ** The END block is terminated with a semicolon.

Basic Syntax) CREATE TABLE ( , …..) ORGANIZATION EXTERNAL (TYPE DEFAULT DIRECTORY ACCESS PARAMETERS ( … ) ) LOCATION ('') ) REJECT LIMIT [0 | | UNLIMITED]; ORGANIZATION EXTERNAL : The clause to create an external clause. In fact, you will not create an actual table in the database, instead you will create metadata in the data dictionary which can be used to access to the external table. The exte..

Basic Syntax) CREATE TABLE ( , …..) ORGANIZATION EXTERNAL (TYPE DEFAULT DIRECTORY ACCESS PARAMETERS ( … ) ) LOCATION ('') ) REJECT LIMIT [0 | | UNLIMITED]; ORGANIZATION EXTERNAL : The clause to create an external clause. In fact, you will not create an actual table in the database, instead you will create metadata in the data dictionary which can be used to access to the external table. The exte..

An External Table : A read-only table Only meta-data is stored in the database No DML operations are possible, No indexes. CREATE TABLE AS SELECT statement is possible. Two major access drivers ORACLE_LOADER ORACLE_DATAPUMP : import and export data CREATE TABLE AS SELECT statement is possible. Read data from a table in the database and insert it into an external table. After initial population, ..

An External Table : A read-only table Only meta-data is stored in the database No DML operations are possible, No indexes. CREATE TABLE AS SELECT statement is possible. Two major access drivers ORACLE_LOADER ORACLE_DATAPUMP : import and export data CREATE TABLE AS SELECT statement is possible. Read data from a table in the database and insert it into an external table. After initial population, ..