What is the plv (pl/vision) package offers?
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Is sql harder than python?
What is meant by user defined function?
Difference between SUBSTR and INSTR?
What is a sql instance vs database?
Can We write bulk collect statement in triggers?
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??????
Is stored procedure faster than query?
How do I find duplicates in sql?
How do I send sql query results to excel?
what eliminate duplicate without using roenum and not
What is structural independence and why is it important?
What is difference between mysql and postgresql?
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