Explain what is a view?
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What port does sql server use?
Could you please provide oca (oracle 10g) dumps for my certification ?
What is error ora-12154: tns:could not resolve the connect identifier specified?
What is mutating table error?
What are dml commands?
What are the different parts of a package?
How do you run a query?
How does cross join work in sql?
what is global temporary tables and how use that tables in pl/sql packages
IN A TABLE HAVE ONE COLUMN PRIMARY KEY..IT WILL NOT ALLOWS NULL VALUES AND DUPLICATE VALUES..INSTEAD OF PRIMARY KEY WHY CANT WE USE UNIQUE AND NOT NULL.THESE TWO ALSO DOESNT ACCEPT NULL VALUES IN NOT NULL AND UNIQUE DOESNT ACCEPT DUPLICATE VALUES? SO WHAT IS THE DIFEERENCE BETWEEN(UNIQUE,NOT NULL) AND PRIMARY KEY??????
If you have to declare procedure1,procedure2 in package specification and if you have to declare procedure1,procedure2 and procedure3 in package body? is it compilation or not and execute or not? what type of error is given please
Does oracle use sql?
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