Free Oracle 1Z0-909 Exam Dumps Questions & Answers

Examine this table definition:

The table must always remain a valid document store collection. What restriction does this impose on any added column?

• A.The column must be a generated column referencing any attribute of doc.
• B.The column must be indexed.
• C.The column must be a generated column referencing only an existing attribute of doc.
• D.The column must be used in a unique constraint.
• E.The column must have a default value.

Examine the layout of the my_values table.

Examine the data in the my_value3 table.

Examine this statement:

A)

B)


D)

• A.Option B
• B.Option C
• C.Option A
• D.Option D

Examine this statement:

• A.user who creates the procedure needing the create and execute privileges
• B.user who creates the procedure needing the create routine privilege
• C.inserting USE <database >; before line 3
• D.Inserting COMMIT; SET @m :=: before line 4
• E.Inserting DEFINER 'username '@' localhost' clause into the CREATE PROCEDURE statement

Examine these commands which execute successfully:
mYsql> CREATE TABLE income (acct_num INT, amount DECIMAL(10,2));
mysql> CREATE TRIGGER subtotal BEFORE INSERT ON income
FOR EACH ROW SET @subtotal = subtotal + NEW.amount;
Which is true for the income table?

• A.The trigger body set causes trigger activation.
• B.Execution of an insert statement causes the trigger to activate.
• C.The trigger activates after any row in the table has been updated.
• D.The trigger activates after any row has been inserted into the table.

Examine these statements and output:

Now, examine this command:
Mysql> ROLLBACK;
What is true about the effect of the command?

• A.It has no effect.
• B.It returns an error because there is no active transaction.
• C.It undoes both insert and update commands.
• D.It undoes the update command.
• E.It undoes the insert command.