Advent of SQL 2025

★ Advent of SQL 2025 is solved using PostgreSQL.

Star	Day
⭐	Day 01
⭐	Day 02

Init

--- how to create a password-- echo -n pass+user | md5sum--- echo -n asdfg1234aosql_2025 | md5sum--- asdfg1234 + aosql_2025 i.e. asdfg1234aosql_2025--- asdfg1234 is the password--- aosql_2025 is the user--- prefix with md5 i.e. md5$hash$DROPDATABASE IF EXISTS aosql_2025;
DROP ROLE IF EXISTS aosql_2025;
CREATE ROLE aosql_2025 WITH
LOGIN
NOSUPERUSER
NOINHERIT
CREATEDB
NOCREATEROLE
NOREPLICATION
PASSWORD 'md54a3f83a3f2c3c8c6df1284a82ecf76aa'
VALID UNTIL 'infinity';
CREATEDATABASEaosql_2025 WITH
OWNER = aosql_2025
ENCODING ='UTF8' TABLESPACE = pg_default
CONNECTION LIMIT=-1;

echo"127.0.0.1:5432:*:aosql_2025:aosql_2025">>~/.pgpass
# may overwrite you config file# cp .psqlrc ~/.psqlrc

License

MIT License.

Copyright (c) 2025 Manuel Alejandro Gómez Nicasio az-dev@outlook.com

See LICENSE.md for details.