create table t2(a int);
alter table t2 set schema blockchain;
create table t2(a int);
alter table t2 set schema cstore;
create table t2(a int);
alter table t2 set schema db4ai;
create table t2(a int);
alter table t2 set schema dbe_perf;
create table t2(a int);
alter table t2 set schema dbe_pldebugger;
create table t2(a int);
alter table t2 set schema dbe_pldeveloper;
create table t2(a int);
alter table t2 set schema dbe_sql_util;
create table t2(a int);
alter table t2 set schema pkg_service;
create table t2(a int);
alter table t2 set schema snapshot;
create table t2(a int);
alter table t2 set schema sqladvisor;
create table t2(a int);
create schema user_schema;
alter table t2 set schema user_schema;