How to experiment a data lock in oracle?
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Can a primary key contain more than one columns?
Explain integrity constraint?
What is a Database instance ? Explain?
I have two tables : COuntry,city I want all the cities in each country.Question on Cross Join.
What are the uses of a database trigger?
From the following identify the non schema object: packages, triggers, public synonyms, tables and indexes.
How do we display rows from the table without duplicates?
What is the difference between implicit index and explicit index?
what is difference between table and view? where to use views? thanks in advance!
Can we create trigger on materialized view in oracle?
What is index-organized table in Oracle?
is database gud carrier option??