What is an exception in PL/SQL? What are the two types of exceptions?
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What is sqlite format?
How many aggregate functions are available there in sql?
Explain the purpose of %type and %rowtype data types with the example?
Explain the working of foreign key?
What is trigger explain it?
What is synonyms?
What does the argument [or replace] do?
I have following column in the table. col1 1 a b c 2 3 d and I want to display it as num chars 1 a 2 b 3 c 4 d numbers in one column and letters in another column.
How do you run a query?
Explain the usage of WHERE CURRENT OF clause in cursors ?
Which is the best place to learn hadoop?
what is the difference between a web-garden and a web-farm? : Sql dba