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@@ -597,5 +597,12 @@ There are different types of joins available in SQL −
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# SQL - UNIONS CLAUSE ✅
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- The SQL UNION clause/operator is used to combine the results of two or more SELECT statements without returning any duplicate rows.
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- To use this UNION clause, each SELECT statement must have
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**- The same number of columns selected**
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**- The same number of column expressions**
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**- The same data type and have them in the same order**
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