Interested to Buy Any Domain ? << Click Here >> for more details...
What is the main difference between a UNION statement and a UNION ALL statement? 1. A UNION statement eliminates duplicate rows; a UNION ALL statement includes duplicate rows. 2. A UNION statement can be used to combine any number of queries; a UNION ALL statement can be used to combine a maximum of two queries. 3. A UNION statement can only combine queries that have parallel fields in the SELECT list; a UNION ALL statement can combine queries with differing SELECT list structures. 4. A UNION statement cannot be used with aggregate functions; a UNION ALL statement can be used with aggregate functions. 5. There is no difference between the two statements; they are interchangeable.
2 8834Post New Saman Bank Interview Questions
if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?
From a strategic perspective, how can senior management make the best use of the human resource function?
Is android unix based?
Who is intended audience to learn HCatalog?
How to compare two list?
What must one set within side in order to run a test from the beginning to a certain point within the test?
I have two universes created by two difference database can we join them in designer & report level? How
what is reverse credit & how it is calculated in vat law in west bengal?
why the RRB'S not lend loans directly to farmers?
Is shell and terminal the same?
What is a signal flow graph?
What is pgrouting?
What is the difference between a bar-chart and a histogram? Where would you use a bar-chart and where would you use a histogram?
What is difference between fail-fast and fail-safe?
What is serial version uid and its importance in java?
