What is Trigger in Oracle?
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can u call user defined functions in select statements
I have two tables : COuntry,city I want all the cities in each country.Question on Cross Join.
Tab A A B ------ 1 A 2 B 3 C Tab B A B ----- 4 D 5 E 6 F Generate the value into B table from A table. Only table A has the value. Write the SQL query to get B table value.
How would you extract DDL of a table without using a GUI tool?
What is an oracle table?
How do you handle duplicate records in a database?
How to start an oracle instance?
What is the difference between postgresql and oracle?
Explain an index segment?
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difference between oracle8i and oracle9i
what is the use of rank function?