Update setting_up_edb_clone_schema.mdx

product_docs/docs/epas/17/database_administration/14_edb_clone_schema/setting_up_edb_clone_schema.mdx

@@ -7,18 +7,14 @@ To use EDB Clone Schema, you must first install several extensions along with th
 
 In addition, it might help to modify some configuration parameters in the `postgresql.conf` file of the database servers.
 
-## Installing extensions
-
-On any database to be used as the source or target database by an EDB Clone Schema function, install the following extensions: `postgres_fdw`, `dblink`, `edb_job_scheduler`, and `dbms_job`.
+## Installing prerequisite extension packages
 
-```sql
-CREATE EXTENSION postgres_fdw SCHEMA public;
-CREATE EXTENSION dblink SCHEMA public;
-CREATE EXTENSION edb_job_scheduler;
-CREATE EXTENSION dbms_job;
-```
+As prerequisite extension package, `parallel_clone` should be installed first. 
+The syntax to install the package is:
+  ```shell
+  sudo <package-manager> -y install edb-as<version>-server-parallel-clone
+  ```
 
-For more information about using the `CREATE EXTENSION` command, see the [PostgreSQL core documentation](https://www.postgresql.org/docs/current/static/sql-createextension.html).
 
 ## Modifying the configuration file
 
@@ -30,6 +26,20 @@ Modify the `postgresql.conf` file by adding `$libdir/parallel_clone` and `$libdi
 
 For the changes to take effect, you must restart the database server.
 
+## Installing extensions
+
+On any database to be used as the source or target database by an EDB Clone Schema function, install the following extensions: `postgres_fdw`, `dblink`, `edb_job_scheduler`, `dbms_job` and `parallel_clone`.
+
+```sql
+CREATE EXTENSION postgres_fdw SCHEMA public;
+CREATE EXTENSION dblink SCHEMA public;
+CREATE EXTENSION edb_job_scheduler;
+CREATE EXTENSION dbms_job;
+```
+
+For more information about using the `CREATE EXTENSION` command, see the [PostgreSQL core documentation](https://www.postgresql.org/docs/current/static/sql-createextension.html).
+
+
 ## Installing PL/Perl
 
 1.  Install the Perl procedural language (PL/Perl) on the database, and run the `CREATE TRUSTED LANGUAGE plperl` command. For Linux, install PL/Perl using the `edb-as<xx>-server-plperl` RPM package, where `<xx>` is the EDB Postgres Advanced Server version number. For Windows, use the EDB Postgres Language Pack. For information on EDB Language Pack, see the [EDB Postgres Language Pack](/language_pack/latest).
@@ -87,20 +97,22 @@ To delete a log file, use the `remove_log_file_and_job` function, or delete it m
 ## Installing EDB Clone Schema
 
 Install the EDB Clone Schema on any database to be used as the source or target database by an EDB Clone Schema function.
+1.  The syntax to install the package is:
+  ```shell
+  sudo <package-manager> -y install edb-as<version>-server-cloneschema
+  ```
 
-1.  If you previously installed an older version of the `edb_cloneschema` extension, run the following command:  
+2.  If you previously installed an older version of the `edb_cloneschema` extension, run the following command:  
 
   ```sql
   DROP EXTENSION parallel_clone CASCADE;
   ```
 
   This command also drops the `edb_cloneschema` extension.
 
-1.  Install the extensions. Make sure that you create the `parallel_clone` extension before creating the `edb_cloneschema` extension.
-
+3.  Install the extensions.
   ```sql
   CREATE EXTENSION parallel_clone;
-
   CREATE EXTENSION edb_cloneschema;
   ```
 ## Creating Log directory