Explain 4nf?
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Explain what are service-specific middleware?
Does google have a database like access?
Define "correlated subqueries".
What is second normal form?
What are the 4 main objects of a database?
What do you mean by query evaluation engine?
What are the differences between a dbms and rdbms?
Why rdbms is not suitable for big data?
There are 100 datafiles, numbered from 1 to 100. File number 10 is deleted and it has 500 MB of data. The database is working in archive log mode. How can be the database recovered ? While doing recovery the archive logs applied are from nos 1 to 100, but 50 gets corrupted. What do we do? Can we proceed further? If so how?
Can I use google sheets as a database?
Write a query to create a duplicate table with and without data present?
i have table as source table and flat file as target i need yo perform some logic in loading the data. is it posible? and one more thing the no of fields in source is 200+ and for target is 30+ how i can map them.........
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