COLUMNs comprising INDEXes on accessible TABLES
Columns ___________________________ INDEX_OWNER Index owner INDEX_NAME Index name TABLE_OWNER Table or cluster owner TABLE_NAME Table or cluster name COLUMN_NAME Column name or attribute of object column COLUMN_POSITION Position of column or attribute within index COLUMN_LENGTH Maximum length of the column or attribute.in bytes CHAR_LENGTH Maximum length of the column or attribute.in characters DESCEND DESC if this column is sorted in descending order on disk,otherwise ASC