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A cursor is a handle to or name for a specific private SQL area.
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such an area is also called a private SQL area.
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2 |
In application development, a cursor is a named resource available to a program, which can be specifically used for parsing SQL statements embedded with the application
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PL/SQL implicitly declares a cursor for all SQL DML statements, including queries that return only one row
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4 |
For queries that return more than one row, you must explicitly declare a cursor to process the rows individually
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