SQL Server Backup and Restore - Simple Talk

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Chapter 8: Database Backup and Restore with SQL Backup Pro Restore to standby using the SQL Backup Pro GUI Having contrived the data loss, we can now start the restore process. Right-click on DatabaseForSQLBackups, pick the latest transaction log backup (DatabaseForSQL- Backups_Log_3.sqb) and click Next. Again, since the files are still in their original location, SQL Backup will locate any other files it needs from further back down the chain, in this case, just the latest full backup. If you've moved the full backup file, locate it manually, as described before. Figure 8-23: Identifying the backup files for our PIT restore. Our intention here, as discussed, is to restore a copy of the DatabaseForSQLBackups database in Standby mode. This will give us read access to the standby copy as we attempt to roll forward to just before the point where we lost Messagetable2. So, this time, we'll restore to a new database, called DatabaseForSQLBackups_Standby, as shown in Figure 8-24. 282
Chapter 8: Database Backup and Restore with SQL Backup Pro Figure 8-24: Restoring to a new, standby copy of the DatabaseForSQLBackups database. At Step 3, we're going to choose a new option for the completion state of our restored database, which is Read-only (RESTORE WITH STANDBY). In doing so, we must create an undo file for the standby database. As we subsequently apply transaction log backups to our standby database, to roll forward in time, SQL Server needs to be able to roll back the effects of any transactions that were uncommitted at the point in time to which we are restoring. However, the effects of these uncommitted transactions must be preserved. As we roll further forward in time, SQL Server may need to reapply the effects of a transaction it previously rolled back. If SQL Server doesn't keep a record of that activity, we wouldn't be able to keep our database relationally sound. All of this information regarding the rolled back transactions is managed through the undo file. We'll place the undo file in our usual SQLBackups directory. In the central portion of the screen, we have the option to restore the transaction log to a specific point in time; we're going to roll forward in stages, first to a point as close as we can after 10:41:36.540, which should be the time we completed the batch of 41 INSERTs into MessageTable1. Again, remember that in a real restore scenario, you will probably not know which statements were run when. 283
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The Red Gate Guide SQL Server Backu
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Copyright April 2012 ISBN 978-1-906
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Maintenance plan backups __________
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Preparing for Log Backups _________
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Log Backups _______________________
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About the author Shawn McGehee Shaw
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Introduction jobs scheduled to back
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Introduction backups, to file and e
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Introduction • Chapters 5 and 6 c
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Chapter 1: Basics of Backup and Res
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The primary data file will contain:
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CREATE TABLE TableName ( ColumnDefi
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Simple Chapter 1: Basics of Backup
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Summary Chapter 1: Basics of Backup
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Chapter 7: Differential Backup and
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USE [DatabaseForPartialRestore] GO
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Why Partial Backups? Chapter 10: Pa
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USE [DatabaseForPartialBackups] GO
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Appendix A: SQL Backup Pro Installa
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SQL Server and .NET Tools from Red
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SQL Prompt Pro Write, edit, and exp
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SQL Monitor SQL Server performance
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SQL Toolbelt The essential SQL Serv
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.NET Reflector ® Decompile, browse
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Brad's Sure Guide to SQL Server Mai
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