zzh@ZZHPC:~$ docker run --name postgres16 -p 5432:5432 -e POSTGRES_USER=root -e POSTGRES_PASSWORD=aaa -d postgres:alpine 8e36b7bdc47572723a416c319b83f20b2eac7ef25adb3ac1a875e909f45ebdb6 zzh@ZZHPC:~$ docker exec -it postgres16 createdb --username=root --owner=root simple_bank zzh@ZZHPC:~$ docker exec -it postgres16 psql -U root simple_bank psql (16.1) Type "help" for help. simple_bank=# show transaction isolation level; transaction_isolation ----------------------- read committed (1 row) simple_bank=# begin; BEGIN simple_bank=*# set transaction isolation level repeatable read; SET simple_bank=*# show transaction isolation level; transaction_isolation ----------------------- repeatable read (1 row) simple_bank=*# set transaction isolation level serializable; SET simple_bank=*# show transaction isolation level; transaction_isolation ----------------------- serializable (1 row) simple_bank=*#
