Point out the correct statement :
A. A Cursor is opened and populated by executing the SQL statement defined by the cursor.
B. After data manipulation, we should close the cursor explicitly
C. A cursor is declared by defining the SQL statement that returns a result set
D. All of the mentioned
Answer:A
Point out the correct statement :
A. A Cursor is opened and populated by executing the SQL statement defined by the cursor. B. After data manipulation, we should close the cursor explicitly C. A cursor is declared by defining the SQL statement that returns a result set D. All of the mentioned
Explanation:We use cursor when we need to update records in a database table in singleton fashion means row by row.