The PostgreSQL 9.0 Reference Manual  Volume 2  Programming Guide
by The PostgreSQL Global Development Group Paperback (6"x9"), 478 pages ISBN 9781906966065 RRP £14.95 ($19.95) Sales of this book support the PostgreSQL project! Get a printed copy>>> 
4.35 sequences
The view sequences
contains all sequences
defined in the current database. Only those sequences are shown
that the current user has access to (by way of being the owner or
having some privilege).
Name  Data Type  Description

sequence_catalog  sql_identifier  Name of the database that contains the sequence (always the current database)

sequence_schema  sql_identifier  Name of the schema that contains the sequence

sequence_name  sql_identifier  Name of the sequence

data_type  character_data  The data type of the sequence. In
PostgreSQL, this is currently always
bigint .

numeric_precision  cardinal_number  This column contains the (declared or implicit) precision of
the sequence data type (see above). The precision indicates
the number of significant digits. It can be expressed in
decimal (base 10) or binary (base 2) terms, as specified in the
column numeric_precision_radix .

numeric_precision_radix  cardinal_number  This column indicates in which base the values in the columns
numeric_precision and
numeric_scale are expressed. The value is
either 2 or 10.

numeric_scale  cardinal_number  This column contains the (declared or implicit) scale of the
sequence data type (see above). The scale indicates the number
of significant digits to the right of the decimal point. It
can be expressed in decimal (base 10) or binary (base 2) terms,
as specified in the column
numeric_precision_radix .

maximum_value  cardinal_number  Not yet implemented

minimum_value  cardinal_number  Not yet implemented

increment  cardinal_number  Not yet implemented

cycle_option  yes_or_no  Not yet implemented 
ISBN 9781906966065  The PostgreSQL 9.0 Reference Manual  Volume 2  Programming Guide  See the print edition 