master table and child table performances and comparisons in
Oracle ?
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How to store pictures on to the database?
What is self-referential integrity constraint ?
What is procedure overloading in oracle?
how can find the second max sal for every group(i.e i want group the data based on key and find the second max sal for every group
is database gud carrier option??
Can we create more than one constraint to column ?
How do I escape a reserved word in oracle?
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Explain index?
Select the Nth lowest value from a table?
1. How actually index will work ? 2. Why do people prefer mostly bitmap index and btree index in datawarehouse ? 3. If I use the column in aggrigate functions like max,min,count and avg and if I have a index created on that column, will it increases the performance ?
2. Display the post code and the total number of purchase orders placed with creditors in that post code.