A correlated subquery (also known as a synchronised subquery) is a subquery (a query nested within another query) that leverages values from the outer query in a SQL database query. It can be slow since the subquery may be evaluated once for each row processed by the outer query.
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Awesome Classes ,Both tutors explains the concept very nice
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Ashish
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The course is very good. I have stuck at a point that how you create multiple rows with a single insert in sales.customer table. I get only one customer data. this table is related to bikestore data.
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