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MySQL
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Mysql XOR
Mysql XOR returns you the output on the basis of condition specified in input. The output of the XOR is 0 when both the specified inputs are same.
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MySQL
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PHP SQL Null
The result produced by SQL SELECT command may contain NULL or non-Null values. So when we need to work on these values then the NULL values may not work properly.
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MySQL
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PHP SQL Query
Most of the applications need to interact with database to store, update and fetch the data. This interaction is made executing Sql queries.
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MySQL
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PHP SQL Max
In this example, we have created a max.php file in which we executed a query to find the maximum salary for every designation.
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MySQL
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PHP SQL ORDER BY
ORDER BY clause is used to sort the result data either in the ascending order or descending order. By default, the it is taken in ascending order.
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