SQL Joins with examples | SQL Joins explained | SQL joins DBMS | SQL Joins Venn Diagram | SuMyPyLab

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  • čas přidán 22. 07. 2024
  • SQL Joins with examples | SQL Joins explained | SQL joins DBMS | SQL Joins Venn Diagram | SuMyPyLab
    SQL Join:
    SQL Join statement is used to combine data or rows from two or more tables based on a common field between them.
    A join clause combines columns or attributes from two or more tables into a new table.
    Different Types of Joins are:
    inner join, outer join, left outer join, right outer join, full outer join, etc.
    Inner Join:
    Matches the tables in the query with the common column as specified in the query.
    Returns records with matching values as a new table.
    Left Outer Join:
    Returns all the rows from the left table
    Returns only those rows from the right table that match the matching column
    Non-matching rows are returned with NULL values (RHS)
    Right Outer Join:
    Returns all the rows from the right table
    Returns only those rows from the left table that match the matching column
    Non-matching rows are returned with NULL values (LHS)
    Full Outer Join:
    Returns all the rows from all tables
    Non-matching rows are returned with NULL values (LHS & RHS)
    ** Chapters **
    0:00 Introduction
    0:29 Inner Join
    5:50 Left Outer Join
    7:56 Right Outer Join
    9:04 Full Outer Join
    10:20 Summary of the commands
    Learn different types of joins in SQL in one lesson
    SQL inner join
    SQL outer join
    SQL left outer join
    SQL right outer join
    SQL full join
    MySQL SQL full join using union operator
    SQL Join Venn Diagrams
    SQL Join Examples
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    SuMyPyLab
    github.com/SuMyPyLab/SQL_Joins
    #sql
    #select
    #sqlskills
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    #sqlforbeginners
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    #sqljoins

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