What are the various types of snapshots ?
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How to upsert (update or insert into a table)?
How do we get field detail of a table?
What is indexing, and how does it improve performance?
when a grant option is encountered for a table EMP to a peer sitting beside you who has already having the table of that name (EMP), then what is the result?
T1: T2 A X--- this is updated record B B like this T1 table having no.of records updated. write a query"retrive updated record from T2"
What is TNS File
What are the uses of synonyms?
What is partitioned table in Oracle?
what is difference between where clause and having clause?
How many memory layers are in the oracle shared pool?
What is columnar storage what is the advantage?
What are the factors that affect OPTIMIZER in choosing an Optimization approach ?