Which is faster union or join?
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Which is faster count (*) or count 1?
Are there any features that are decommissioned in 11g that are not present in 11g?
What is the purpose of the sql select top clause?
What is the main reason behind using an index?
Can a procedure in a package be overloaded?
How does one load ebcdic data? : aql loader
a. Can you delete data from a View. b. If Yes, can you delete it if there are multiple tables c. If No, can you delete if there is single source table which is joining.
what is query cache in mysql? : Sql dba
Explain clause in sql?
What is sql profiling in oracle?
What is the difference between functions, procedures, and packages in pl/sql?
What is clustered index in sql?
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