9. I do not get any output for custom SQL Query i added and i am getting an error "Unable
to find the primary key for Table. Please use the "Primary Keys" option
in that table to select a primary key and to access the query output"
Reason : SQLDBManager Plus is unable to find the primary keys for the query provided
Solution : In the Query tab, click on the "Primary Keys"
link above the corresponding table and select the Unique column from
the list there. If the query does not have a unique column, modify the
query and add a new unique column by using row_number() or rank()
functions and select this column as primary key
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