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Airplane mode is designed to turn off all the Bluetooth, Wi-Fi, cellular and data connections on your mobile device. You can however turn on Wifi and Bluetooth manually in Airplane Mode if needed.


Airplane mode disables Bluetooth, Wi-Fi, cellular and data connections on mobile devices.


Airplane mode is designed to turn off all the Bluetooth, Wi-Fi, cellular and data connections on your mobile device. You can however turn on Wifi and Bluetooth manually in Airplane Mode if needed.


If you are in an airplane and would like to use wifi or if you are traveling abroad and do not want to use cellular or data but you want to use wifi, you can switch your phone to Airplane Mode and the


It is tricky to count rows from a query using DISTINCT clause. A method to achieve this include in-casing the SQL statement.


DISTINCT clause eliminates rows where all the selected fields duplicate or identical.


The COUNT function return the total number of row returned by a SQL Query.


There are two great ways to export Query results from Oracle SQL Developer to CSV or Excel. Method 1 includes a command, Method 2 includes right clicking the results and clicking Export.


COALESCE(exp1, exp2, .., expn) function accepts multiple parameters. The function returns the very first parameter that is not Null.


There are multiple ways to return a column that is not null out of 2, 3 or more columns. The SQL statements that can be used in SQL Server for this purpose are ISNULL, IFF, CASE, and COALESCE

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