Accessing database information

Details Accessing database information Accessing database information

Category

G - Physics

Subcategory

06

Subsubcategory

F

IPC codes

G06F 17/30 (2006.01) G06F 9/46 (2006.01)

Type

Patent

Patent number

CA 2233537

Description

Routines for manipulating data in a database are performed by a database server by determining whether or not a database manipulation routine is to be isolated from a specified range of memory, and, in response, selectively switching memory access permission to the specified range of memory (e.g., from read/write to read--only) for the database manipulation routine under consideration. The database manipulation routine is then executed using the selectively switched memory access permission. A database manipulation routine that is to be isolated can be executed with read-only memory access thereby protecting the specified range of memory (e.g., corresponding to core data structures) from improper modification.

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