What is using clause and give example?
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How are the index updates?
How can you merge two tables in oracle?
9)When information has to be stored w.r.t employees and their respective departments, which of the following is the Correct formulation of entries? A)Employee and department would together be represented as an entity. B)This is too less information to decide on entities. C)An employee would be one entity and a department would be another. D)Such a scenario cannot be modelled in RDBMS
Can group functions be used in the order by clause in oracle?
How to initialize variables with default values?
Differentiate between pre-select and pre-query?
What is Rollback Segment ?
What language does oracle use?
What is the difference between postgresql and oracle?
what are the disadvantages of hierarchial database over RDBMS?
What are the values that can be specified for OPTIMIZER_GOAL parameter of the ALTER SESSION Command ?
What is the difference between sharding and replication?