Tuesday, 7 November 2017

SQL Interview Questions

SQL Interview Questions



























To display count (countr_id)

select count(country_id) no_occorence from state  group by (country_id) order by no_occorence desc;



Source : https://www.youtube.com/watch?v=jd5ognD_4pc&list=PL6n9fhu94yhXcztdLO7i6mdyaegC8CJwR&index=10



















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