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1. You want to back up the transaction log of your database every hour during peak business hours and every four hours during nonpeak hours. How would you accomplish this ?
2. List all parts of a SQL Server error message.
3. Why do you need a primary key for data replication ? Which replication type requires a primary key ?
4. When does the system use the Log Reader agent, the Merge agent, and the Snapshot agent respectively ? (detailed answer)