Oracle UNION ALL Operator In Oracle, the UNION ALL operator is used to combine the result sets of 2 or more SELECT…
Oracle Tutorial
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ORACLE AND In Oracle, AND is used in select, insert, delete or update statement for checking two or more conditions. Syntax Where…
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ORACLE EXISTS In Oracle, exists clause is used with select, insert, update, delete statements. It is used to combine the queries and…
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Oracle MINUS operator In Oracle, MINUS operator is used to return all rows in the first SELECT statement that are not returned…
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Oracle Anti Join Anti-join is used to make the queries run faster. It is a very powerful SQL construct Oracle offers for…
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Oracle FROM Clause FROM clause is a mandatory clause in SELECT expression. It specifies the tables from which data is to be…
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Oracle Before INSERT/UPDATE/DELETE Trigger This statement specifies that Oracle will fire this trigger BEFORE the INSERT/UPDATE or DELETE operation is executed. Syntax…
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Oracle Function A function is a subprogram that is used to return a single value. You must declare and define a function…
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ORACLE BETWEEN In Oracle, BETWEEN is used to get the values from given range in select, insert, delete or update statement Syntax…
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Oracle Global Temporary tables Temporary tables generally contain all of the features that ordinary tables have like triggers, join cardinality, information about…