What is the difference between sharding and replication?
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How to call a stored procedure inside a trigger? Give an example.
Give syntax for SQL and ORACLE joins.
What is a Garbage Collection? and what is full recursive Garbage collection?
What is hot backup and logical backup?
Explain the use of compress option in exp command.
What is the data type of dual table?
What is the difference between pre-select and pre-query?
what is trigger?
what is the syntax of update command?
I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?
what are indexes..how many types of index's are there and what are they?
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How to use select statement to count the number of rows in oracle?