https://stackoverflow.com › questions › 4678110

The best way to reset a sequence to start back with number 1 is to execute the following: ALTER SEQUENCE <tablename>_<id>_seq RESTART WITH 1 So, for example for the users table it would be: ALTER SEQUENCE users_id_seq RESTART WITH 1

https://www.postgresql.org › docs › current › sql-altersequence.html

ALTER SEQUENCE changes the parameters of an existing sequence generator, such as data type, increment, minimum, maximum, cache, cycle, and owner. Learn how to use the various clauses and options of ALTER SEQUENCE with examples and notes.

https://stackoverflow.com › questions › 5342440

To reset the auto increment you have to get your sequence name by using following query. Syntax: SELECT pg_get_serial_sequence(‘tablename’, ‘ columnname‘);

https://www.slingacademy.com › article › postgresql-restart-rename-and-alter-sequences

Learn how to use SQL commands and pgAdmin to manage sequences in PostgreSQL, which are database objects for generating unique numeric identifiers. Find out how to restart, rename, alter, secure, and avoid common pitfalls with sequences.

https://docs.postgresql.fr › 10 › sql-altersequence.html

La clause optionnelle RESTART [ WITH restart] modifie la valeur actuelle de la séquence. C'est équivalent à l'appel de la fonction setval avec is_called = false : la valeur spécifiée sera renvoyée par le prochain appel à nextval .

https://popsql.com › learn-sql › postgresql › how-to-alter-sequence-in-postgresql

Learn how to use the PostgreSQL 'Reset Sequence' command. If you have auto-incrementing serial ID columns, they typically start at 1. Sequences, managed in their designated tables, store essential details like start values and last values. Use 'Alter Sequence' to change the initial ID number.

https://dba.stackexchange.com › questions › 292617

We were able to reset a sequence with: SELECT setval('table_id_seq', (SELECT MAX(id) FROM table)); From version 10, using identity columns, there is no need to use the sequence name.

https://codingexplained.com › databases › postgresql › resetting-postgresql-sequence

Sometimes you may want to reset a PostgreSQL sequence, for instance after removing data from a tabel. You can do this very easily by executing the following statement: ALTER SEQUENCE company_id_seq RESTART WITH 1; company_id_seq is the name of the sequence that you want to reset, and 1 is the value that you want the sequence to start at.

https://wiki.postgresql.org › wiki › Fixing_Sequences

Learn how to update sequence values from table, fix sequence ownership and deal with orphaned sequences in PostgreSQL. See SQL snippets, examples and limitations of the methods.