1z0-149 Oracle Database 19c: Program with PL/SQL Questions and Answers

RAW data types are always implicitly converted to a CLOB when used in a query.

Collections can be implicitly converted to records.

ROWIDS are always implicitly converted to a number when used in a query.

Comparison between character value and a number value always implicitly converts the character value to the number data type.

Implicit data type conversion can negatively impact performance.

Function based indexes remain usable when replacing the function on which the index depends.

Object privileges to execute a replaced function must be regranted to those users who had the privilege.

This clause can be used only for procedures and functions.

A function definition can be modified without dropping and re-creating it.

Object privileges to execute a replaced function are retained by those users who had the privileges.

In a multitenant environment, the DELEGATE option of CBAC cannot be used.

CBAC roles can be granted to a program unit only if they are directly granted to its owner.

CBAC roles can be granted to a program unit only if they are the predefined roles automatically defined by the standard scripts as part of database creation.

You can use CBAC to attach database roles to a PL/SQL function or procedure only.

In CBAC, the ADMIN and DELEGATE options cannot both be granted to the same user.

You can use CBAC to attach database roles to a PL/SQL function, procedure, or package.

CBAC cannot be used to secure definer's rights.

DDL

AFTER AUDIT

BEFORE ANALYZE

SHUTDOWN

SERVERERROR

STARTUP

BEFORE GRANT

It returns an error in line 2.

It returns an error in line 4.

It returns an error in line 9.

It executes and displays output.

It can be used in the declaration of object types.

It must be specified in the heading of a package specification.

The check is enforced by this clause for direct access and access through dynamic SQL.

It can be used for individual procedures and functions declared in a package specification.

It must be specified in the heading of a package body.