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 Returns the original DBMS error message. 
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 Syntax: 
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 ErrDbmsMessage( ) 
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 Parameters: 
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 None 
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 Returns: 
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 Original DBMS error message 
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 Note: 
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 Can be used for fatal and unexpected errors. Magic xpa gets the internal message from DBMS and displays it. 
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 Exceptions: 
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 This function is not supported for IMDG (Space) databases. 
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 See also: 
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 The Online and Rich Client Samples projects (program SQ02 and RSQ02) 
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