September 2002
Intermediate to advanced
562 pages
27h 22m
English
Content preview from Advanced SQL:1999
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286 Chapter 6 Datalinks
2. The SQL server contacts the datalinker associated with the identified file
manager to determine whether the specified file exists. If the file does exist,
the datalinker is now aware that the file is "controlled" by the SQL server.
That is, the file is now
linked.
3. If the file does exist, the SQL server reports success to the application;
otherwise, the SQL server reports the appropriate error condition back to
the application.
Using the linkage thus created,
1. When the application needs to access the file through its native API, it first
contacts the SQL server to request ...
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