Practical Hands-on Microsoft SQL Joins : SQL Server ,SSMS
Learn how to query data from multiple tables using JOIN in SQL. This course is perfect for beginners, data analysts, and data scientists.
What you’ll learn
- Query Data From Multiple Tables Using JOIN
- Combine data using INNER JOIN
- Combine data using LEFT JOIN
- Combine data using RIGHT JOIN
- Combine data using FULL JOIN
SQL Join statement is used to combine data or rows from two or more tables based on a common field between them. Different types of Joins are as follows:
INNER JOIN
LEFT JOIN
RIGHT JOIN
FULL JOIN
The INNER JOIN keyword selects all rows from both the tables as long as the condition is satisfied. This keyword will create the result-set by combining all rows from both the tables where the condition satisfies i.e value of the common field will be the same.
The OUTER JOIN returns all the rows of the table on the left side of the join and matches rows for the table on the right side of the join. For the rows for which there is no matching row on the right side, the result-set will contain null. LEFT JOIN is also known as LEFT OUTER JOIN.
RIGHT JOIN is similar to LEFT JOIN. This join returns all the rows of the table on the right side of the join and matching rows for the table on the left side of the join. For the rows for which there is no matching row on the left side, the result-set will contain null. RIGHT JOIN is also known as RIGHT OUTER JOIN.
FULL JOIN creates the result-set by combining results of both LEFT JOIN and RIGHT JOIN. The result-set will contain all the rows from both tables. For the rows for which there is no matching, the result-set will contain NULL values.
Who this course is for:
- Beginners to SQL
- Beginner Data Analyst
- Beginner Data Scientist
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