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Types of cursors in SQL Server 2005

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What are different types of cursors available in SQL Server 2005?

Answer 1)

Following are different types of cursors available in SQL Server 2005
  1. Base table
  2. Static
  3. Forward-only
  4. Forward-only/Read-only
  5. Keyset-driven
Base table: Base table cursors are the lowest level of cursor available. Base table cursors can scroll forward or backward with minimal cost, and can be updated
Static: Cursor can move to any record but the changes on the data can’t be seen.
Dynamic: Most resource extensive. Cursor can move anywhere and all the changes on the data can be viewed.
Forward-only: Cursor moves one step forward, can’t move backwards.
Keyset-driven: Only updated data can be viewed, deleted and inserted data cannot be viewed.
  Asked in:  Olivegreen   Expertise Level:  Experienced
  Last updated on Sunday, 26 August 2012
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