Row-by-row processing is done with related subqueries. For each row in the outer query, each subquery is run once. For each row processed by the parent statement, a connected subquery is examined once. A SELECT, UPDATE, or DELETE statement can be the parent statement.
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Ankush Raj
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good
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ruhina qureshi
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Awesome Classes ,Both tutors explains the concept very nice
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Yadav Aakash
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very useful thank you learnvern
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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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