github.com/matrixorigin/matrixone@v0.7.0/test/distributed/cases/tenant/user.test (about)

     1  create user u_a identified by 'a111', u_b identified by 'b111' default role public lock;
     2  create user if not exists u_a identified by 'a111', u_b identified by 'b111' default role public lock;
     3  create user u_c identified by 'a111', u_d identified by 'b111';
     4  select user_name,authentication_string from mo_catalog.mo_user;
     5  drop user if exists u_a,u_b,u_c,u_d;