What is difference between inner join and cross join?
what is the difference between primary key and unique key? : Sql dba
i want run a sql query query? which phases are run in a back ground? pls tell me the answer
Where the integrity constrints are stored in Data Dictionary?
Why is nosql good?
What are the methods of filing?
What is varchar used for?
Which one is the Best approach to put code, among Triggers and Procedures? Explain?
Which query operators in sql is used for pattern matching?
How we can create a table in pl/sql block. Insert records into it? Is it possible by some procedure or function? Please give example?
What are the rules to be applied to nulls whilst doing comparisons?
What is difference between pls_integer and integer?
Is sql harder than python?