DML Statements & Locking MCQs

13 MCQs  — Oracle: Modifying Data & Multiple Databases MCQs  (Page 2 of 2)

Attempt DML Statements & Locking Quiz
Which isolation level makes a transaction behave as if it ran alone, raising ORA-08177 on conflicts?
SERIALIZABLE
READ COMMITTED
AUTOCOMMIT
READ ONLY
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What does ORA-01555 (snapshot too old) indicate?
A table is locked
The redo log is full
The undo data needed for read consistency has been overwritten
A password has expired
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What does SQL%ROWCOUNT return in PL/SQL?
The total rows in the table
The row number of the cursor
The number of columns
The number of rows affected by the last DML statement
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Word of the Day
02 Nov
Obligation
an act or course of action to which a person is morally or legally bound; a duty or commitment.
احسان، فرض، ذمہ داری

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