What are joins in dbms, their types and give examples?
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Join in SQL
SQL Join is used to fetch data from two or more tables, which is joined to appear as single set of data. SQL Join is used for combining column from two or more tables by using values common to both tables.Join Keyword is used in SQL queries for joining two or more tables. Minimum required condition for joining table, is (n-1) where n, is number of tables. A table can also join to itself known as, Self Join.
Types of Join
The following are the types of JOIN that we can use in SQL.
InnerOuterLeftRight
SQL Join is used to fetch data from two or more tables, which is joined to appear as single set of data. SQL Join is used for combining column from two or more tables by using values common to both tables.Join Keyword is used in SQL queries for joining two or more tables. Minimum required condition for joining table, is (n-1) where n, is number of tables. A table can also join to itself known as, Self Join.
Types of Join
The following are the types of JOIN that we can use in SQL.
InnerOuterLeftRight
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