Cross Join :
No join conditions are specified.
Results in pairs of rows.
Results in Cartesian product of two tables.
Full Outer Join:
A combination of both left and right outer joins.
Results in every row from both of the tables , at least once.
Assigns NULL for unmatched fields.
Do you know what are OLAP and OLTP?
Please differentiate between Data Mining and Data warehousing?
Explain what are different stages of “Data mining”?
Do you know how does the data mining and data warehousing work together?
Can you explain what is MODEL in Data mining world?
Explain what is Discrete and Continuous data in Data mining world?
What is a correlated sub-query?
What are the steps to take to improve performance of a poor performing query?
What is blocking and how would you troubleshoot it?
What authentication modes does SQL Server support?
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