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 INDEXCOLUMNS 

Using the system table INDEXCOLUMNS, you can determine the following database information, among other things:

·        All inverted columns (those assigned an index) of table HOTEL
SELECT DISTINCT columnname
  FROM DOMAIN.INDEXCOLUMNS
    WHERE tablename = 'HOTEL'

·        All inversions for table RESERVATION, sorted by index, and then by the column sequence specified during index definition
SELECT indexname, type, columnname, sort
  FROM DOMAIN.INDEXCOLUMNS
    WHERE tablename = 'RESERVATION' ORDER BY indexname, columnno

·        Information about the columns that make up the index MYINDEX of your own table MYTABLE
SELECT columnname, sort, datatype, len
  FROM DOMAIN.INDEXCOLUMNS
    WHERE tablename = 'MYTAB'
      AND indexname ='MYINDEX' ORDER BY columnno

All indexes: see INDEXES

 

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