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Use SIGN (). It returns "0" for 0, "1" for positive and "-1" for negative values. SELECT DECODE ( SIGN (money_return), 0, money_return, 1, money_return * 10, - 1, ABS (money_return) ) FROM CASH_T;
26 cze 2019 · Is there a way to detect if a value is a number in a MySQL query? Such as. SELECT * FROM myTable WHERE isANumber (col1) = true. mysql. sql. where-clause. edited Jun 26, 2019 at 13:33. Machavity. 31.5k2795105. asked Feb 21, 2011 at 10:44. Urbycoz. 7,3712174112.
19 paź 2018 · You provide the value as an argument when calling the function. The function returns the following result, depending on whether the argument is positive, negative, or zero. 1 if the number is positive. -1 if the number is negative. 0 if the number is zero. Syntax. This syntax goes like this: SIGN(X)
6.5.1.2 mysql Client Commands. mysql sends each SQL statement that you issue to the server to be executed. There is also a set of commands that mysql itself interprets. For a list of these commands, type help or \h at the mysql> prompt: mysql> help. List of all MySQL commands: Note that all text commands must be first on line and end with ';'.
17 lis 2021 · DNS Troubleshooting. DNS troubleshooting follows logical steps from basic network troubleshooting to more in-depth analysis. Network services often report DNS issues for reasons that do not require in-depth DNS troubleshooting. If you are experiencing DNS issues, start by performing the following steps before going on to in-depth troubleshooting:
Invoke it from the prompt of your command interpreter as follows: mysql db_name. Or: mysql --user=user_name --password db_name. In this case, you'll need to enter your password in response to the prompt that mysql displays: Enter password: your_password. Then type an SQL statement, end it with ;, \g, or \G and press Enter.
written by Cyril Kardashevsky 3.1K views. The nslookup (name server lookup) command line tool allows you to query the DNS server from the CLI. Nslookup is used to diagnose and check DNS servers and records, and to detect problems with name resolution.
