What is Data Redundancy and Consistency ?
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Is it possible to open a cursor which is in a Package in another database?
Explain the classification of Database Management System?
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 datapump? Difference between exp and expdp?
2 Answers Capital IQ, TCS, WNS,
Can we update table which is created from view?
2 Answers IBM, Punjab National Bank,
Why do we need database normalization?
How many types of database languages are?
Mention the differences between union and union all
What is bcnf?
What is data sparsity and how it effect on aggregation?
What are the 3 types of relationships in a database?
What are the key constraints in dbms?
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