I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?

2 Answers   Zensar,

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What would you use to improve performance on an insert statement that places millions of rows into that table?

1 Answers  

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What are the advantages of Views ?

3 Answers  

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How to resolve name conflicts between variables and columns?

0 Answers  

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is database gud carrier option??

1 Answers  

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how can get like this result table A col1 col2 --- ----- a A b B C C .. .. .. ... .. ... wants result like for a single column col1 ------ a,b,c,........n of data and another is col1 ------- A B C D ........ a b b d ........

2 Answers   TCS,

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How to turn on or off recycle bin for the instance?

0 Answers  

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What is object data modeling?

0 Answers  

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How many categories of data types?

0 Answers  

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What are virtual columns?

2 Answers   TCS,

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can any one help me with import/export options in oracle............

1 Answers  

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What is ordinary table in oracle?

0 Answers   MCN Solutions,

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