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Method and system for preserving an original table schema
   
Document Number
US Patent 7174353
Issued Date
February 6, 2007
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Abstract
The present invention is related to a method and system for preserving an original table schema for a table in a database system that supports dynamic table schema changes. The method and system includes storing the original table schema for the table in a designated table prior to performing a schema change on the table. By storing the original table schema in the designated table, a backup copy of the table that includes rows which are not self-describing can be used for data recovery.
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Number of Claims:
12
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Published
February 6, 2007
Application Number
10/693,184
Filed
October 24, 2003
US Classification
707/203   707/3 707/E17.007
Int'l Classification
G06F   17/30   (20060101)  
Examiner
Attorney/Law Firm
USPTO Field of Search
707/1   707/2   707/3   707/4   707/5   707/6   707/7   707/8   707/9   707/10   707/1   707/2   707/3   707/4   707/5   707/6   707/7   707/8   707/9   707/10.1   707/1   707/2   707/3   707/4   707/5   707/6   707/7   707/8   707/9   707/10  
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