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DA0-001 · Question #76
DA0-001 Question #76: Real Exam Question with Answer & Explanation
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Data Analysis
Question
A data analyst has been asked to merge the tables below, first performing an INNER JOIN and then a LEFT JOIN: Customer Table In-store Transactions Which of the following describes the number of rows of data that can be expected after performing both joins in the order stated, considering the customer table as the main table?
Options
- AINNER: 6 rows; LEFT: 9 rows
- BINNER: 9 rows; LEFT: 6 rows
- CINNER: 9 rows; LEFT: 15 rows
- DINNER: 15 rows; LEFT: 9 rows
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Topics
#SQL Joins#Data Merging#Relational Databases#Data Querying