shau update

Author: HJToland3

articles/dms/tutorial-postgresql-azure-postgresql-online.md

@@ -10,7 +10,7 @@ ms.service: dms
 ms.workload: data-services
 ms.custom: mvc, tutorial
 ms.topic: article
-ms.date: 05/08/2019
+ms.date: 06/28/2019
 ---
 
 # Tutorial: Migrate PostgreSQL to Azure Database for PostgreSQL online using DMS
@@ -19,6 +19,7 @@ You can use Azure Database Migration Service to migrate the databases from an on
 
 In this tutorial, you learn how to:
 > [!div class="checklist"]
+>
 > * Migrate the sample schema using pg_dump utility.
 > * Create an instance of the Azure Database Migration Service.
 > * Create a migration project by using the Azure Database Migration Service.
@@ -60,21 +61,21 @@ To complete this tutorial, you need to:
 * Create a server-level [firewall rule](https://docs.microsoft.com/azure/sql-database/sql-database-firewall-configure) for Azure Database for PostgreSQL to allow Azure Database Migration Service to access to the target databases. Provide the subnet range of the VNet used for Azure Database Migration Service.
 * There are two methods for invoking the CLI:
 
-    * In the upper-right corner of the Azure postal, select the Cloud Shell button:
+  * In the upper-right corner of the Azure postal, select the Cloud Shell button:
 
        ![Cloud Shell button in the Azure portal](media/tutorial-postgresql-to-azure-postgresql-online/cloud-shell-button.png)
 
-    * Install and run the CLI locally. CLI 2.0 is the command-line tool for managing Azure resources.
+  * Install and run the CLI locally. CLI 2.0 is the command-line tool for managing Azure resources.
 
        To download the CLI, follow the instructions in the article [Install Azure CLI 2.0](https://docs.microsoft.com/cli/azure/install-azure-cli?view=azure-cli-latest). The article also lists the platforms that support CLI 2.0.
 
        To set up Windows Subsystem for Linux (WSL), follow the instructions in the [Windows 10 Installation Guide](https://docs.microsoft.com/windows/wsl/install-win10)
 
 * Enable logical replication in the postgresql.config file, and set the following parameters:
 
-    * wal_level = **logical**
-    * max_replication_slots = [number of slots], recommend setting to **5 slots**
-    * max_wal_senders =[number of concurrent tasks] - The max_wal_senders parameter sets the number of concurrent tasks that can run, recommend setting to **10 tasks**
+  * wal_level = **logical**
+  * max_replication_slots = [number of slots], recommend setting to **5 slots**
+  * max_wal_senders =[number of concurrent tasks] - The max_wal_senders parameter sets the number of concurrent tasks that can run, recommend setting to **10 tasks**
 
 ## Migrate the sample schema
 
@@ -110,11 +111,10 @@ To complete all the database objects like table schemas, indexes and stored proc
     ```
 
 4. If you have foreign keys in your schema, the initial load and continuous sync of the migration will fail. Execute the following script in PgAdmin or in psql to extract the drop foreign key script and add foreign key script at the destination (Azure Database for PostgreSQL).
-
-    
+  
     ```
     SELECT Queries.tablename
-           ,concat('alter table ', Queries.tablename, ' ', STRING_AGG(concat('DROP CONSTRAINT ', Queries.foreignkey), ',')) as DropQuery
+           ,concat('alter table ', Queries.tableland, ' ', STRING_AGG(concat('DROP CONSTRAINT ', Queries.foreignkey), ',')) as DropQuery
                 ,concat('alter table ', Queries.tablename, ' ',
                                                 STRING_AGG(concat('ADD CONSTRAINT ', Queries.foreignkey, ' FOREIGN KEY (', column_name, ')', 'REFERENCES ', foreign_table_name, '(', foreign_column_name, ')' ), ',')) as AddQuery
         FROM
@@ -136,7 +136,7 @@ To complete all the database objects like table schemas, indexes and stored proc
           AND ccu.table_schema = tc.table_schema
     WHERE constraint_type = 'FOREIGN KEY') Queries
       GROUP BY Queries.tablename;
-     ```
+    ```
 
     Run the drop foreign key (which is the second column) in the query result.
 

articles/dms/tutorial-rds-postgresql-server-azure-db-for-postgresql-online.md

@@ -10,7 +10,7 @@ ms.service: dms
 ms.workload: data-services
 ms.custom: mvc, tutorial
 ms.topic: article
-ms.date: 05/08/2019
+ms.date: 06/28/2019
 ---
 
 # Tutorial: Migrate RDS PostgreSQL to Azure Database for PostgreSQL online using DMS
@@ -99,23 +99,31 @@ To complete this tutorial, you need to:
     ```
 
 4. If you have foreign keys in your schema, the initial load and continuous sync of the migration will fail. To extract the drop foreign key script and add foreign key script at the destination (Azure Database for PostgreSQL), run the following script in PgAdmin or in psql:
-
+  
     ```
-    SET group_concat_max_len = 8192;
-        SELECT SchemaName, GROUP_CONCAT(DropQuery SEPARATOR ';\n') as DropQuery, GROUP_CONCAT(AddQuery SEPARATOR ';\n') as AddQuery
+    SELECT Queries.tablename
+           ,concat('alter table ', Queries.tableland, ' ', STRING_AGG(concat('DROP CONSTRAINT ', Queries.foreignkey), ',')) as DropQuery
+                ,concat('alter table ', Queries.tablename, ' ',
+                                                STRING_AGG(concat('ADD CONSTRAINT ', Queries.foreignkey, ' FOREIGN KEY (', column_name, ')', 'REFERENCES ', foreign_table_name, '(', foreign_column_name, ')' ), ',')) as AddQuery
         FROM
         (SELECT
-        KCU.REFERENCED_TABLE_SCHEMA as SchemaName,
-    	KCU.TABLE_NAME,
-    	KCU.COLUMN_NAME,
-    	CONCAT('ALTER TABLE ', KCU.TABLE_NAME, ' DROP FOREIGN KEY ', KCU.CONSTRAINT_NAME) AS DropQuery,
-        CONCAT('ALTER TABLE ', KCU.TABLE_NAME, ' ADD CONSTRAINT ', KCU.CONSTRAINT_NAME, ' FOREIGN KEY (`', KCU.COLUMN_NAME, '`) REFERENCES `', KCU.REFERENCED_TABLE_NAME, '` (`', KCU.REFERENCED_COLUMN_NAME, '`) ON UPDATE ',RC.UPDATE_RULE, ' ON DELETE ',RC.DELETE_RULE) AS AddQuery
-    	FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE KCU, information_schema.REFERENTIAL_CONSTRAINTS RC
-    	WHERE
-    	  KCU.CONSTRAINT_NAME = RC.CONSTRAINT_NAME
-    	  AND KCU.REFERENCED_TABLE_SCHEMA = RC.UNIQUE_CONSTRAINT_SCHEMA
-      AND KCU.REFERENCED_TABLE_SCHEMA = 'sakila') Queries
-      GROUP BY SchemaName;
+        tc.table_schema,
+        tc.constraint_name as foreignkey,
+        tc.table_name as tableName,
+        kcu.column_name,
+        ccu.table_schema AS foreign_table_schema,
+        ccu.table_name AS foreign_table_name,
+        ccu.column_name AS foreign_column_name
+    FROM
+        information_schema.table_constraints AS tc
+        JOIN information_schema.key_column_usage AS kcu
+          ON tc.constraint_name = kcu.constraint_name
+          AND tc.table_schema = kcu.table_schema
+        JOIN information_schema.constraint_column_usage AS ccu
+          ON ccu.constraint_name = tc.constraint_name
+          AND ccu.table_schema = tc.table_schema
+    WHERE constraint_type = 'FOREIGN KEY') Queries
+      GROUP BY Queries.tablename;
     ```
 
 5. Run the drop foreign key (which is the second column) in the query result to drop the foreign key.