"David G. Johnston" <david.g.johnston@xxxxxxxxx> writes: > On Thursday, August 19, 2021, sivapostgres@xxxxxxxxx <sivapostgres@xxxxxxxxx> > wrote: >> Is there any way to make a PG database either in-active or switch to >> single-user mode ? We want to avoid DELETE database process. > Probably can do it via changing the pg_hba.conf file. Either that or revoke public CONNECT privilege on the database. regards, tom lane