What is cold backup, hot backup, warm backup recovery?

Java database interview questions

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4. What is cold backup, hot backup, warm backup recovery?

Cold backup (All these files must be backed up at the same time, before the databaseis restarted). Hot backup (official name is ‘online backup’) is a backup taken of each tablespace while the database is running and is being accessed by the users.

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Other Interview Questions

• How do you call a Stored Procedure from JDBC?
• Is the JDBC-ODBC Bridge multi-threaded?
• Does the JDBC-ODBC Bridge support multiple concurrent open statements per connection?
• What is cold backup, hot backup, warm backup recovery?
• When we will Denormalize data?
• What is the advantage of using PreparedStatement?
• What is a “dirty read”?
• What is Metadata and why should I use it?
• What are different types of Transaction Isolation Levels?
• What is 2-phase commit?
• How do you handle your own transaction ?
• What is the normal procedure followed by a java client to access the db.?
• What is a data source?
• What are collection pools? What are the advantages?
• How do you get Column names only for a table (SQL Server)?