SQL Joins Explained In Detail | Example of Inner Join, Left Join, Right Join & Full Join |

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  • Опубліковано 17 жов 2024
  • SQL JOIN
    A JOIN clause is used to combine rows from two or more tables, based on a related column between them.
    Different Types of SQL JOINs
    (INNER) JOIN: Returns records that have matching values in both tables
    LEFT (OUTER) JOIN: Returns all records from the left table,
    and the matched records from the right table,
    The LEFT JOIN keyword returns all records from the left table (table1),
    and the matched records from the right table (table2).
    The result is NULL from the right side, if there is no match.
    RIGHT (OUTER) JOIN: Returns all records from the right table,
    and the matched records from the left table
    FULL (OUTER) JOIN: Returns all records when there is a match in either left or right table,
    The FULL OUTER JOIN keyword returns all records when there is a match in left (table1)
    or right (table2) table records.
    Note: FULL OUTER JOIN can potentially return very large result-sets!
    Tip: FULL OUTER JOIN and FULL JOIN are the same.
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КОМЕНТАРІ • 3

  • @ritamathur3024
    @ritamathur3024 2 роки тому +1

    Thank you so much

    • @thedatamillennials
      @thedatamillennials  2 роки тому

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    • @ChandraSekahr-t7n
      @ChandraSekahr-t7n 3 місяці тому +1

      Thank you