Thank you Steve for the response. my file is as below
<?xml version="1.0" encoding="UTF-8"?><databaseChangeLog
xmlns=“http://www.liquibase.org/xml/ns/dbchangelog”
xmlns:xsi=“http://www.w3.org/2001/XMLSchema-instance”
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
select count(*) from v$database where name like ‘%ATG%’
select count(*) from dba_tablespaces where tablespace_name like ‘%schema1_DATA’
select count(*) from dba_tablespaces where tablespace_name like ‘%schema2_DATA’
create tablespace schema1_data datafile ‘/u01/app/oracle/oradata/"${dbname1}"/schema1_liquibase.dbf’ size 1G ;
CREATE TABLESPACE schema2_DATA DATAFILE ‘/u01/app/oracle/oradata/"${dbname1}"/schema2_liquibase.dbf’ size 1g;
create tablespace schema1_data datafile ‘/u01/app/oracle/oradata/"${dbname2}"/schema1_liquibase1.dbf’ size 1G ;
CREATE TABLESPACE schema2_DATA DATAFILE ‘/u01/app/oracle/oradata/"${dbname2}"/schema2_liquibase.dbf’ size 1g;