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version 1.5
When you use context commands to manipulate data, 4D for Oracle transparently manages the creation of cursors on the server. A cursor is a memory buffer created by Oracle that contains information summarizing the status of a single SQL statement at any time.
Activating a context automatically triggers the creation of a cursor. This cursor is called the selection cursor. If you add, modify, or delete data on the server, another cursor is created. This is called the update cursor.
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