What view means?
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Can we join same table in sql?
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??????
What is materialised View?
How many triggers can be implemented for a table?
What is the usage of distinct keyword?
What is varchar used for?
What is sql comments?
What is synonyms?
What is the purpose of primary key?
Can I call a procedure inside a function?
how to create a primary key with out creating an index?
Why functions are used in sql?
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