SELECT THE RECORDS FROM 3 TABLES LIKE(T1,T2,T3) AND HOW CAN
WE INSERT THAT RECORD IN ANOTHER TABLE LIKE(T4)?
What are the uses of Rollback Segment ?
What happens in oracle commit?
Can we call a trigger inside a function and function inside a trigger? Give example.
Explain an integrity constrains?
How would you design a database for an e-commerce website?
What is the usage of merge statement?
Explain the truncate in oracle?
What does sharding mean?
How does Oracle guarantee data integrity of data changes?
How do we create privileges in oracle?
What is the relationship among database, tablespace and data file?
What is the effect of setting the value "all_rows" for optimizer_goal parameter of the alter session command? What are the factors that affect optimizer in choosing an optimization approach?