How to execute postgres' sql queries from batch file?

Question

I need to execute SQL from batch file. I am executing following to connect to Postgres and select data from table

C:/pgsql/bin/psql -h %DB_HOST% -p 5432 -U %DB_         


        

Answer 1

If you are trying the shell script

psql postgresql://$username:$password@$host/$database < /app/sql_script/script.sql