SQL-02124: NULL value returned by EXEC TOOLS statement
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Answer / guest
Cause: A NULL value was returned by EXEC TOOLS for a host
variable that lacks an indicator variable. This error is
returned only when MODE=ANSI. When MODE=ORACLE, although the
value of the host variable is indeterminate, no error is
generated.
Action: Associate an indicator variable with each host
variable to which nulls might be returned.
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