what are different types of joins in sql server?
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['SQL Server INNER JOIN (or sometimes called simple join)', 'SQL Server LEFT OUTER JOIN (or sometimes called LEFT JOIN)', 'SQL Server RIGHT OUTER JOIN (or sometimes called RIGHT JOIN)', 'SQL Server FULL OUTER JOIN (or sometimes called FULL JOIN)']
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DB2 Join: An inner join finds and returns matching data from tables, while an outer join finds and returns matching data and some dissimilar data from tables.An inner join finds and returns matching data from tables, while an outer join finds and returns matching data and some dissimilar data from tables.
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A JOIN is a means for combining columns from one (self-join) or more tables by using values common to each. ANSI-standard SQL specifies five types of JOIN : INNER , LEFT OUTER , RIGHT OUTER , FULL OUTER and CROSS . As a special case, a table (base table, view, or joined table) can JOIN to itself in a self-Join.
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Difference between JOIN and INNER JOIN JOIN returns all rows from tables where the key record of one table is equal to the key records of another table. The INNER JOIN selects all rows from both participating tables as long as there is a match between the columns.
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Join (SQL) ... A JOIN is a means for combining columns from one (self-join) or more tables by using values common to each. ANSI-standard SQL specifies five types of JOIN : INNER , LEFT OUTER , RIGHT OUTER , FULL OUTER and CROSS .
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Both joins and unions can be used to combine data from one or more tables into a single results. They both go about this is different ways. Whereas a join is used to combine columns from different tables, the union is used to combine rows.
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There are different types of joins available in SQL: INNER JOIN: returns rows when there is a match in both tables. LEFT JOIN: returns all rows from the left table, even if there are no matches in the right table. ... FULL JOIN: It combines the results of both left and right outer joins.
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['Microsoft SQL Server.', 'Microsoft SQL Server Analysis Services for MDX, DMX, Microsoft Power Pivot, and tabular models.', 'Microsoft Azure SQL Database.', 'Oracle.', 'SAP BW.', 'Hyperion Essbase.', 'Microsoft SharePoint List.', 'Teradata.']
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9. Which off the following is not a valid type of join? Explanation: There is no such join called as full join. There is a full outer join but a full join does not exist.
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In SQL, the CROSS JOIN is used to combine each row of the first table with each row of the second table. It is also known as the Cartesian join since it returns the Cartesian product of the sets of rows from the joined tables.
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Oracle JOINS are used to retrieve data from multiple tables. An Oracle JOIN is performed whenever two or more tables are joined in a SQL statement. There are 4 different types of Oracle joins: Oracle INNER JOIN (or sometimes called simple join)
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Merge Join is same as JOIN in t-sql, you can choose between different types of Inner join, left outer join and outer join the difference is that with Merge join transformation you can support two inputs from two different data source, for example one from flat file and another from oracle DB, but with join in t-sql you ...
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['Super Key. ... ', 'Candidate Key. ... ', 'Primary Key. ... ', 'Alternate key. ... ', 'Composite/Compound Key. ... ', 'Unique Key. ... ', 'Foreign Key.']
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There are 2 types of Views in SQL: Simple View and Complex View. Simple views can only contain a single base table. Complex views can be constructed on more than one base table. In particular, complex views can contain: join conditions, a group by clause, a order by clause.
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['What is the difference between SQL and MySQL?', 'What are the different subsets of SQL?', 'What do you mean by DBMS? What are its different types?', 'What do you mean by table and field in SQL?', 'What are joins in SQL?', 'What is the difference between CHAR and VARCHAR2 datatype in SQL?', 'What is the Primary key?', 'What are Constraints?']
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['hierarchical database systems.', 'network database systems.', 'object-oriented database systems.']
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['Scalar Functions (Returns A Single Value)', 'Inline Table Valued Functions (Contains a single TSQL statement and returns a Table Set)', 'Multi-Statement Table Valued Functions (Contains multiple TSQL statements and returns Table Set)']