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‎articles/dms/known-issues-azure-mysql-online.md

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@@ -3,8 +3,8 @@ title: "Known issues: Online migrations to Azure Database for MySQL"
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titleSuffix: Azure Database Migration Service
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description: Learn about known issues and migration limitations with online migrations to Azure Database for MySQL when using the Azure Database Migration Service.
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services: database-migration
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author: pochiraju
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ms.author: rajpo
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author: HJToland3
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ms.author: jtoland
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manager: craigg
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ms.reviewer: craigg
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ms.service: dms

‎articles/dms/known-issues-azure-postgresql-online.md

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@@ -3,8 +3,8 @@ title: "Known issues: Online migrations from PostgreSQL to Azure Database for Po
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titleSuffix: Azure Database Migration Service
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description: Learn about known issues and migration limitations with online migrations from PostgreSQL to Azure Database for PostgreSQL using the Azure Database Migration Service.
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services: database-migration
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author: pochiraju
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ms.author: rajpo
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author: HJToland3
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ms.author: jtoland
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manager: craigg
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ms.reviewer: craigg
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ms.service: dms

‎articles/dms/known-issues-oracle-azure-postgresql-online.md

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@@ -3,8 +3,8 @@ title: "Known issues: Migrate from Oracle to Azure Database for PostgreSQL"
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titleSuffix: Azure Database Migration Service
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description: Learn about known issues and migration limitations with online migrations from Oracle to Azure Database for PostgreSQL-Single server using the Azure Database Migration Service.
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services: database-migration
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author: pochiraju
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ms.author: rajpo
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author: HJToland3
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ms.author: jtoland
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manager: craigg
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ms.reviewer: craigg
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ms.service: dms

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

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@@ -3,8 +3,8 @@ title: "Tutorial: Migrate MySQL online to Azure Database for MySQL"
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titleSuffix: Azure Database Migration Service
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description: Learn to perform an online migration from MySQL on-premises to Azure Database for MySQL by using Azure Database Migration Service.
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services: dms
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author: pochiraju
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ms.author: rajpo
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author: HJToland3
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ms.author: jtoland
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manager: craigg
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ms.reviewer: craigg
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ms.service: dms

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

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@@ -3,8 +3,8 @@ title: "Tutorial: Migrate Oracle online to Azure Database for PostgreSQL"
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titleSuffix: Azure Database Migration Service
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description: Learn to perform an online migration from Oracle on-premises or on virtual machines to Azure Database for PostgreSQL by using Azure Database Migration Service.
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services: dms
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author: pochiraju
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ms.author: rajpo
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author: HJToland3
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ms.author: jtoland
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manager: craigg
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ms.reviewer: craigg
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ms.service: dms

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

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@@ -3,15 +3,15 @@ title: "Tutorial: Migrate PostgreSQL to Azure DB for PostgreSQL online via the A
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titleSuffix: Azure Database Migration Service
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description: Learn to perform an online migration from PostgreSQL on-premises to Azure Database for PostgreSQL by using Azure Database Migration Service via the Azure portal.
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services: dms
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author: pochiraju
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ms.author: rajpo
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author: HJToland3
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ms.author: jtoland
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manager: craigg
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ms.reviewer: craigg
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ms.service: dms
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ms.workload: data-services
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ms.custom: "seo-lt-2019"
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ms.topic: article
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ms.date: 02/17/2020
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ms.date: 03/24/2020
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---
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# Tutorial: Migrate PostgreSQL to Azure DB for PostgreSQL online using DMS via the Azure portal
@@ -111,29 +111,35 @@ To complete all the database objects like table schemas, indexes and stored proc
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> Foreign keys in your schema will cause the initial load and continuous sync of the migration to fail.
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```
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SELECT Queries.tablename
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,concat('alter table ', Queries.tablename, ' ', STRING_AGG(concat('DROP CONSTRAINT ', Queries.foreignkey), ',')) as DropQuery
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,concat('alter table ', Queries.tablename, ' ',
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STRING_AGG(concat('ADD CONSTRAINT ', Queries.foreignkey, ' FOREIGN KEY (', column_name, ')', 'REFERENCES ', foreign_table_name, '(', foreign_column_name, ')' ), ',')) as AddQuery
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FROM
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SELECT Q.table_name
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,CONCAT('ALTER TABLE ', table_schema, '.', table_name, STRING_AGG(DISTINCT CONCAT(' DROP CONSTRAINT ', foreignkey), ','), ';') as DropQuery
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,CONCAT('ALTER TABLE ', table_schema, '.', table_name, STRING_AGG(DISTINCT CONCAT(' ADD CONSTRAINT ', foreignkey, ' FOREIGN KEY (', column_name, ')', ' REFERENCES ', foreign_table_schema, '.', foreign_table_name, '(', foreign_column_name, ')' ), ','), ';') as AddQuery
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FROM
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(SELECT
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S.table_schema,
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S.foreignkey,
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S.table_name,
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STRING_AGG(DISTINCT S.column_name, ',') AS column_name,
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S.foreign_table_schema,
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S.foreign_table_name,
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STRING_AGG(DISTINCT S.foreign_column_name, ',') AS foreign_column_name
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FROM
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(SELECT DISTINCT
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tc.table_schema,
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tc.constraint_name as foreignkey,
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tc.table_name as tableName,
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tc.constraint_name AS foreignkey,
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tc.table_name,
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kcu.column_name,
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ccu.table_schema AS foreign_table_schema,
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ccu.table_name AS foreign_table_name,
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ccu.column_name AS foreign_column_name
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FROM
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information_schema.table_constraints AS tc
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JOIN information_schema.key_column_usage AS kcu
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ON tc.constraint_name = kcu.constraint_name
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AND tc.table_schema = kcu.table_schema
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JOIN information_schema.constraint_column_usage AS ccu
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ON ccu.constraint_name = tc.constraint_name
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AND ccu.table_schema = tc.table_schema
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WHERE constraint_type = 'FOREIGN KEY') Queries
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GROUP BY Queries.tablename;
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FROM information_schema.table_constraints AS tc
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JOIN information_schema.key_column_usage AS kcu ON tc.constraint_name = kcu.constraint_name AND tc.table_schema = kcu.table_schema
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JOIN information_schema.constraint_column_usage AS ccu ON ccu.constraint_name = tc.constraint_name AND ccu.table_schema = tc.table_schema
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WHERE constraint_type = 'FOREIGN KEY'
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) S
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GROUP BY S.table_schema, S.foreignkey, S.table_name, S.foreign_table_schema, S.foreign_table_name
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) Q
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GROUP BY Q.table_schema, Q.table_name;
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```
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5. Run the drop foreign key (which is the second column) in the query result.

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

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@@ -3,8 +3,8 @@ title: "Tutorial: Migrate PostgreSQL to Azure Database for PostgreSQL online via
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titleSuffix: Azure Database Migration Service
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description: Learn to perform an online migration from PostgreSQL on-premises to Azure Database for PostgreSQL by using Azure Database Migration Service via the CLI.
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services: dms
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author: pochiraju
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ms.author: rajpo
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author: HJToland3
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ms.author: jtoland
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manager: craigg
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ms.reviewer: craigg
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ms.service: dms

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

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@@ -3,8 +3,8 @@ title: "Tutorial: Migrate RDS MySQL online to Azure Database for MySQL"
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titleSuffix: Azure Database Migration Service
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description: Learn to perform an online migration from RDS MySQL to Azure Database for MySQL by using the Azure Database Migration Service.
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services: dms
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author: pochiraju
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ms.author: rajpo
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author: HJToland3
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ms.author: jtoland
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manager: craigg
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ms.reviewer: craigg
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ms.service: dms

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

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@@ -3,8 +3,8 @@ title: "Tutorial: Migrate RDS PostgreSQL online to Azure Database for PostgreSQL
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titleSuffix: Azure Database Migration Service
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description: Learn to perform an online migration from RDS PostgreSQL to Azure Database for PostgreSQL by using the Azure Database Migration Service.
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services: dms
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author: pochiraju
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ms.author: rajpo
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author: HJToland3
7+
ms.author: jtoland
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manager: craigg
99
ms.reviewer: craigg
1010
ms.service: dms

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