SQL Tutorial > SQL SUB QUERIES

SQL Correlated Subqueries Part 4

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A SQL correlated subquery executes a query once for each record returned by the outer query. It's called correlated because there's a link between how many times the subquery is run and how many records the outer query returns (not the subquery).

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very useful thank you learnvern

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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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