What is the difference between sharding and replication?
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What is sequence?
How to find the date and time of last updated table?
What is Hash Index?
when do u go for hash partitioning?
What is the order of defining local variables and sub procedures/functions?
Explain integrity constraints?
what are pseudocolumns?
acname actype amount ac1 credit 300 ac2 credit 4000 ac1 debit 4000 ac2 debit 455 ac1 credit 500 how to get sum of credit and sum of debit for each account
What is meant by joins? List out the types of joins.
how many types of index?
You create a private database link and upon connection, fails with: ORA-2085: connects to . What is the problem? How would you go about resolving this error?
what are corelated subqueries