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Transcript
Module 6: Implementing SQL Server Replication in an Enterprise Environment Overview Planning for Disaster Recovery in a Replicated Environment Upgrading and Applying Service Packs in a Replicated Environment Understanding Enterprise Options in a Replicated Environment Understanding Replication with Heterogeneous Database Systems Lesson: Planning for Disaster Recovery in a Replicated Environment How to Back Up the Publisher How to Back Up the Publisher and Distributor How to Back Up the Publisher, Distributor, and Subscriber Backing Up Snapshot Replication Backing Up and Restoring Transactional Replication Using sync with backup Forcing the Distributor to retain content until the Subscriber has backed up Recovery Strategies for Merge Replication Disaster Recovery Best Practices How to Back Up the Publisher Published database master msdb Backup How to Back Up the Publisher and Distributor Published database master Backup msdb Backup How to Back Up the Publisher, Distributor, and Subscriber Published database master Backup msdb Backup Published database master msdb Backup Backing Up Snapshot Replication Databases Use SQL Server backup .sch .dri .bcp Use Windows NT backup for snapshot folder REPLDATA Backing Up and Restoring Transactional Replication Using the sync with backup Option Using sync with backup option Ensures that Log Reader Agent will not send transactions to the distribution database Allows restoration of databases Restoring the publication database without using sync with backup option Avoids increase in latency Forcing the Distributor to Retain Content Until the Subscriber Has Backed Up Recovery Strategies for Merge Replication Restore Publisher and resynchronize with each Subscriber Restore Publisher and Distributor and resynchronize with each Subscriber Restore Distributor only Drop and recreate subscriptions Restore Subscriber database and resynchronize with each Publisher Disaster Recovery Best Practices Keep a script for replication Link recovery to validation Use reinitialization cautiously Back up concurrently Restore databases to their original server Lesson: Upgrading and Applying Service Packs in a Replicated Environment Configuring Replication with Multiple SQL Server Versions Upgrading a Replicated System Applying Service Packs to SQL Server 2000 Replicated Servers Configuring Replication with Multiple SQL Server Versions Snapshot or Transactional Replication Role Combination 1 Combination 2 SQL Server 7.0 Combination 3 Publisher SQL Server 6.5 Distributor SQL Server 6.5 or 7.0 SQL Server 7.0 or 2000 SQL Server 2000 Subscriber SQL Server 6.x - 2000 SQL Server 6.x - 2000 Merge Replication Role Combination 1 Combination 2 Publisher SQL Server 7.0 SQL Server 2000 Distributor SQL Server 2000 SQL Server 2000 Subscriber SQL Server 7.0 SQL Server 7.0 SQL Server 2000 SQL Server 6.x - 2000 Upgrading a Replicated System Data Flow 2 Publisher 1 2 3 Data Flow 1 Distributor 3 Subscriber Applying Service Packs to SQL Server 2000 Replicated Servers Running in a mixed environment You can replicate between a SQL Server with a service pack installed and a SQL Server without that service pack installed Restoring after service pack upgrade After applying a service pack, back up the log or full database Lesson: Understanding Enterprise Options in a Replicated Environment Choosing a High Availability Solution Subscribing from the Internet Replicating over a Dial-up Networking Connection Replicating with Microsoft Pocket PC Choosing a High Availability Solution Standby features Failover qualities Metadata support Transactional consistency and current transactions Performance impact Subscribing from the Internet Replicating through ISA Replicating with Virtual Server Private Networks (VPNs) VPN Secure Internet Connection ISA Server Replicating Over a Dial-up Networking Connection Configuring replication Creating a scheduled job Replicating with Microsoft Pocket PC Microsoft SQL Server 2000 Windows CE Edition Replicating with a Microsoft Pocket PC Subscriber Row-level tracking Using SQL Server CE in a programming environment Subscribing to a publication through an application The role of Microsoft Internet Information Services in SQL Server CE applications Lesson: Understanding Replication with Heterogeneous Database Systems Publishing to Heterogeneous Subscribers Replicating with Microsoft Access Subscribers Replicating with Oracle Subscribers Replicating with IBM DB2 Subscribers Publishing from Heterogeneous Sources Publishing to Heterogeneous Subscribers Oracle SQL Server SQL Server IBM DB2 Microsoft Access Replicating with Microsoft Access Subscribers SQL Server 2000 Desktop Engine Based on SQL 2000 technology Most Access projects can run without revision Microsoft Jet Does not support case-sensitive sort order Push and anonymous pull subscriptions Supports rowcount validation only Uses reserved column names Replicating with Oracle Subscribers Oracle subscription support SQL Server has ODBC driver and OLE DB provider (Intel) Must install Oracle’s SQL*Net driver on Publisher and Distributor Replication restrictions Table names cannot have spaces date data type maps to char(4) Only one column of text or image data (long raw) SQL ranges for float and real differ from Oracle Replicating with IBM DB2 Subscribers DB2/AS400 SQL Server Books Online has data mapping table DB2/MVS OLE DB provider and ODBC driver are included with Microsoft Host Integration Server 2000 SQL Server Books Online has data mapping table Other DB2 Systems May require third-party ODBC drivers or OLE DB providers Publishing from Heterogeneous Sources Build applications with: SQL Distributed Management Objects Replication Distributor Interface Third-party tools Review Planning for Disaster Recovery in a Replicated Environment Upgrading and Applying Service Packs in a Replicated Environment Understanding Enterprise Options in a Replicated Environment Understanding Replication with Heterogeneous Database Systems Course Evaluation