Routine executing method in database system
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United States of America Patent
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Apr 16, 2002
Issued Date -
N/A
app pub date -
Apr 11, 2000
filing date -
Feb 26, 1997
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Expired
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Abstract
In a parallel database system having an execution device on a front end side and a plurality of execution devices on a database operation side (hereinafter referred to as the 'divided data side'), the front end side analyzes a definition statement of a routine such as a function or a procedure inputted from a user to create routine execution process instructions for executing the routine. Simultaneously, the front end side determines whether or not a database operation statement is contained in the routine, and creates check information indicative of the determination result. The front end side analyzes a query statement inputted from the user to create a first query execution process instruction to be executed on the front end side and a second query execution process instruction to be executed on the divided data side. When the divided data side executes the query in accordance with the second query execution process instruction, a routine containing no database operation statement in the second query statement process instruction is executed on the divided data side.
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- 15 United States
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Patent Owner(s)
- HITACHI, LTD.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Iwata, Morihiro | Tama, JP | 24 | 349 |
Kamegi, Yoshito | Yokohama, JP | 22 | 299 |
Nakano, Yukio | Oyama, JP | 106 | 3343 |
Tsuchida, Masashi | Machida, JP | 67 | 1466 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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