Parameter type prediction in object relational mapping

Details Parameter type prediction in object relational mapping Parameter type prediction in object relational mapping

2011-08-09

2011-08-09

Vo, Tim T. (Department: 2168)

Data processing: database and file management or data structures

Database and file access

Record, file, and data search and comparisons

C707S760000, C707S761000, C707S762000, C707S763000, C707S765000

Reexamination Certificate

active

07996416

ABSTRACT:
Techniques for object relational mapping in database technologies are described herein. According to one embodiment, in response to a query statement for accessing a relational database, a syntax tree is generated to represent semantic information of the query statement, where the query statement includes a wildcard parameter and is implemented as an object of a SQL. A data type of the wildcard parameter is predicted based on the semantic information obtained from the syntax tree in view of a structure representing the syntax tree. The predicted data type of the wildcard parameter is used to access the corresponding entry of the relational database. Other methods and apparatuses are also described.

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