How to retrive a single data from a database
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Define atomicity and aggregation.
What's the difference between delete and truncate ?
What is the type of image in database?
I have 2 tables with 1 million rows each. I have updated 1 row in first and 1 million update on second table. Now I commit both the updates. Which one will commit fast and Why?
What is the difference between horizontal and vertical partitioning?
What is the difference between delete and truncate command in dbms?
You loss one datafile and DB is running in ARCHIVELOG mode. You have full database backup of 1 week old and partial backup of this datafile which is just 1 day old. From which backup should you restore this file?
What is the purpose of a database table?
How does distributed database work?
What is data model in dbms?
Explain Relational Algebra in RDBMS
what is normalization? types of normalization? example of each form? how do u implement normalization in ur project?