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I can’t prepare this statement in my Pro*C code. When I running this statement I get this error:
SQLERROR: ORA CODE: -900 MSG: ORA-00900: invalid SQL statement
Is there a way to exec this statement with EXEC SQL?
No, you can’t do that because describe is a SQL*Plus command (under the covers it queries the data dictionary).
If you need to actually describe a table, in order to programmatically interpret columns and datatypes of a columns, you’ll need to do dynamic SQL method 4.
See this link for a good description:
http://download.oracle.com/docs/cd/E11882_01/appdev.112/e10825/pc_15ody.htm#i22863
Hope that helps.