postgresql truncate cascade restart identity
TRUNCATE bigtable, fattable RESTART IDENTITY;
Cirilord
TRUNCATE bigtable, fattable RESTART IDENTITY;TRUNCATE <table_name> RESTART IDENTITY CASCADE;
--RESTART will reset the identity sequence
--CASCADE all tables that have a foreign key reference to
--table_name will be truncated as welltruncate my_table restart identityTRUNCATE [ TABLE ] [ ONLY ] name [ * ] [, ... ]
[ RESTART IDENTITY | CONTINUE IDENTITY ] [ CASCADE | RESTRICT ]