Tag: databases

Trap it with a Handler

Propagate it to the Calling Environment

A & Then B

B & Then A

To duplicate the functionality of other triggers.

To replicate built-in constraints in the Oracle server such as primary key and foreign key.

To guarantee that when a specific operation is performed, related actions are performed.

For centralized, global operations that should be fired for the triggering statement, regardless of which user or application issues the statement.

Only local or packaged sub programs can be overloaded.

Overloading allows different functions with the same name that differ only in their return types.

Overloading allows different subprograms with the same number, type and order of the parameter.

Overloading allows different subprograms with the same name and same number or type of the parameters.

Overloading allows different subprograms with the same name but different in either number or type or order of parameter.

An existing will be dropped and it will be replaced by the new version.

An existing will be dropped and it will not be replaced by the new version.

No change will occur

There is no such option available in creating procedures.

Packages can be nested.

You can pass parameters to packages.

A package is loaded into memory each time it is invoked.

The contents of packages can be shared by many applications.

You can achieve information hiding by making package constructs private.

True

False

The package itself cannot be called, parameterized, or nested.

The format of a package is similar to that of a subprogram.

The contents can be shared by many applications once written.

None of the above.

True

False

CREATE OR REPLACE FUNCTION tax_amt (p_id NUMBER) RETURN NUMBER

CREATE OR REPLACE PROCEDURE tax_amt (p_id NUMBER) RETURN NUMBER

CREATE OR REPLACE PROCEDURE tax_amt (p_id NUMBER, p_amount OUT NUMBER)

CREATE OR REPLACE FUNCTION tax_amt (p_id NUMBER) RETURN NUMBER(10,2)

CREATE OR REPLACE PROCEDURE tax_amt (p_id NUMBER, p_amount OUT NUMBER(10, 2))

A stored procedure uses the DELCLARE keyword in the procedure specification to declare formal parameters.

A stored procedure is named PL/SQL block with at least one parameter declaration in the procedure specification.

A stored procedure must have at least one executable statement in the procedure body.

A stored procedure uses the DECLARE keyword in the procedure body to declare formal parameters.