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What are the types pl/sql code blocks?
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What is set serveroutput on?
Define implicit and explicit cursors.
which types of join is used in sql widely? : Sql dba
How to avoid using cursors?
Its possible to add more than one primary key for the table
Delete duplicate records in the emp table.
I want to display the employees who have joined in last two months. (It should be executed randomly means If I execute the query in March it should display Jan and Feb joined employees. Same query if i execute in Feb, 2007 it should display dec, 2006 and jan 2007 joined employees.
What is a native sql query?
What is partition in sql query?
Is a foreign key always unique?
What is pivot query?
how to create a primary key with out creating an index?
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