SQL Server Backup and Restore - Simple Talk

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Chapter 7: Differential Backup and Restore Figure 7-3: Native GUI differential backup configuration. There's nothing to change on the Options page, so we're done. Click OK and the differential backup will be performed. Figure 7-4 summarizes the storage requirements and execution time metrics for our first differential backup. The execution time was obtained by scripting out the equivalent BACKUP command and running the T-SQL, as described in Chapter 3. The alternative method, querying the backupset table in msdb (see Listing 3-5), does not provide sufficient granularity for a backup that ran in under a second. 220
Chapter 7: Differential Backup and Restore Differential Backup Name Number of Rows DatabaseForDiffBackups_Diff_ Native_1.bak Figure 7-4: Differential backup statistics, Part 1. Native T-SQL differential backup 221 Execution Time 10000 0.311 Seconds 3.16 MB Storage Required We are now going to take our second native differential backup using T-SQL code. First, however, let's INSERT a substantial new data load of 100,000 rows into MessageTable, as shown in Listing 7-4. USE [DatabaseForDiffBackups] GO INSERT INTO MessageTable VALUES ( 'Third Data Load: This is the third set of data we are populating the table with' ) GO 100000 Listing 7-4: Third data load (100,000 rows) for MessageTable. We're now ready to perform our second differential backup, and Listing 7-5 shows the code to do it. If you compare this script to the one for our base full backup (Listing 7-2), you'll see they are almost identical in structure, with the exception of the WITH DIFFER- ENTIAL argument that we use in Listing 7-5 to let SQL Server know that we are not going to be taking a full backup, but instead a differential backup of the changes made since the last full backup was taken. Double-check that the path to the backup file is correct, and then execute the script.
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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 5: Log Backups A Brief Peek
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Taking Log Backups Chapter 5: Log B
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Chapter 9: File and Filegroup Backu
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USE [master] GO Chapter 9: File and
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USE [DatabaseForFileBackups] GO Cha
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USE [DatabaseForPartialRestore] GO
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USE [Master] GO Chapter 9: File and
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Why Partial Backups? Chapter 10: Pa
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Chapter 10: Partial Backup and Rest
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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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