If cursor not updating rollback is required 75 2016 dating in great britain

SQL Server removes the restriction that prevented having more than one outstanding default result set, when using Multiple Active Result Sets (MARS).

A successfully executed SQL statement and a committed transaction are not same.In this chapter, we will discuss the transactions in PL/SQL.A database transaction is an atomic unit of work that may consist of one or more related SQL statements.Any operation consisting of multiple related updates should be enclosed in an explicit transaction to ensure the updates are applied atomically.If an implicit transaction successfully commits, the cursors in the WT_SESSION remain positioned.

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Even if an SQL statement is executed successfully, unless the transaction containing the statement is committed, it can be rolled back and all changes made by the statement(s) can be undone. A transaction starts when one of the following events take place − INSERT INTO CUSTOMERS (ID, NAME, AGE, ADDRESS, SALARY) VALUES (1, 'Ramesh', 32, 'Ahmedabad', 2000.00 ); INSERT INTO CUSTOMERS (ID, NAME, AGE, ADDRESS, SALARY) VALUES (2, 'Khilan', 25, 'Delhi', 1500.00 ); INSERT INTO CUSTOMERS (ID, NAME, AGE, ADDRESS, SALARY) VALUES (3, 'kaushik', 23, 'Kota', 2000.00 ); INSERT INTO CUSTOMERS (ID, NAME, AGE, ADDRESS, SALARY) VALUES (4, 'Chaitali', 25, 'Mumbai', 6500.00 ); INSERT INTO CUSTOMERS (ID, NAME, AGE, ADDRESS, SALARY) VALUES (5, 'Hardik', 27, 'Bhopal', 8500.00 ); INSERT INTO CUSTOMERS (ID, NAME, AGE, ADDRESS, SALARY) VALUES (6, 'Komal', 22, 'MP', 4500.00 ); COMMIT; When a transaction is aborted due to some unprecedented situation, like system failure, the entire transaction since a commit is automatically rolled back.

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Comments:

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