who introduced sql?
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What is the fastest way of accessing a row in a table?
Are subqueries better than joins?
What is mutating table?
What is a parameter query?
What is the usage of when clause in trigger?
How do you go back in sql?
Is foreign key mandatory?
what is column? : Sql dba
What is mutating error?
Source is Sales Table: Sno Prod Sales Sales_Amount 1 A 10 2000 2 A 20 1000 3 C 10 3000 4 D 30 4000 5 A 20 1000 Target : Sales_Count T_Sales_Amt Sales_Count(A) T_Sales_Amt(A) 90 11000 50 4000 In single query, pls tell me.
What are the disadvantages of file system?
What is pl sql package?
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