USER_IND_COLUMNS 这个表有什么作用?该如何解决

USER_IND_COLUMNS describes the columns of indexes owned by the current user and columns of indexes on tables owned by the current user. This view does not display the INDEX_OWNER or TABLE_OWNER columns.SQL> desc user_ind_columns;Name            Type           Nullable Default Comments                                                        --------------- -------------- -------- ------- --------------------------- INDEX_NAME      VARCHAR2(30)   Y                Index name                                                      TABLE_NAME      VARCHAR2(30)   Y                Table or cluster name                                           COLUMN_NAME     VARCHAR2(4000) Y                Column name or attribute of object column                       COLUMN_POSITION NUMBER         Y                Position of column or attribute within index                    COLUMN_LENGTH   NUMBER         Y                Maximum length of the column or attribute, in bytes             CHAR_LENGTH     NUMBER         Y                Maximum length of the column or attribute, in characters        DESCEND         VARCHAR2(4)    Y                DESC if this column is sorted descending on disk, otherwise ASC
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用户对应索引的表的列。