Relational Database Management Systems Unit V Quiz
22 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What does the USER_TRIGGERS data dictionary view provide?

  • PL/SQL syntax errors of the trigger
  • Object information
  • Text of the trigger (correct)
  • Action to take
  • Which column in the USER_TRIGGERS data dictionary view specifies whether a trigger is a BEFORE, AFTER, or INSTEAD OF trigger?

  • WHEN_CLAUSE
  • TRIGGER_NAME
  • TRIGGER_TYPE (correct)
  • TRIGGERING_EVENT
  • What does the REFERENCING_NAMES column in the USER_TRIGGERS view represent?

  • Old and New references (correct)
  • When clause used
  • Database table name
  • Status of the trigger
  • Which column in the user_triggers view indicates any PL/SQL syntax errors (compilation errors) of the trigger?

    <p>STATUS</p> Signup and view all the answers

    What does the TRIGGER_BODY column in the user_triggers view specify?

    <p>Action to take</p> Signup and view all the answers

    What type of information can you access from the USER_OBJECTS view regarding triggers?

    <p>Trigger name and status</p> Signup and view all the answers

    Which view contains details about compilation errors that occurred while a trigger was compiling?

    <p>USER_ERRORS</p> Signup and view all the answers

    What information does the USER_TRIGGERS view provide about triggers?

    <p>Trigger type and event</p> Signup and view all the answers

    Which statement gives the name of the owner of the trigger, not the user updating the table?

    <p>SELECT Username FROM USER_USERS;</p> Signup and view all the answers

    What is a primary use case for triggers based on the information provided?

    <p>Security auditing</p> Signup and view all the answers

    Where can database shutdown trigger be defined?

    <p>Database level</p> Signup and view all the answers

    For which types of events can triggers be defined at the database or schema level?

    <p>System events</p> Signup and view all the answers

    When are triggers defined at the table level fired?

    <p>When the triggering event involves that table</p> Signup and view all the answers

    What are some examples of user events that can trigger a database trigger?

    <p>CREATE, ALTER, DROP</p> Signup and view all the answers

    In the context of triggers, what is the trigger body equivalent to?

    <p><strong>PL/SQL block</strong></p> Signup and view all the answers

    What types of events can cause a trigger to fire?

    <p><strong>Data definition</strong> statement or user logging on/off</p> Signup and view all the answers

    What DDL objects can trigger a DDL trigger?

    <p>Procedure, type, view, trigger</p> Signup and view all the answers

    What timing can be specified for a trigger?

    <p>BEFORE</p> Signup and view all the answers

    Which privilege is required to create a trigger in any schema?

    <p>(ANY) TRIGGER</p> Signup and view all the answers

    What benefit does a database trigger provide for data security?

    <p>Complex security checks</p> Signup and view all the answers

    Which operation do triggers help ensure are performed together implicitly?

    <p>Related database operations</p> Signup and view all the answers

    If a trigger refers to objects not in your schema, which privilege is needed?

    <p>(ANY) TRIGGER privilege</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser