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Top Forums Web Development Notes with Ravinder on Badging System Development Part II Post 303028191 by Neo on Tuesday 1st of January 2019 01:04:01 PM
Old 01-01-2019
Hey Ravinder.

If I were you, I would do this query:

Code:
mysql> select joindate from user where userid =1;

Take that result subtracted from today in UNIXTIME and divide by the number of seconds in year.

That gives you the number of years a person has been a member.

You don't need that fancy MySQL query with all the date / time functions for such a trivial requirement.

As you are beginner in programming, keep it simple... well, I suggest you keep it simple all your life; it's easier to debug or change when you look at the code in 10 years..... keep it simple. Do not be seduced by fancy queries and logic which look cool.... like many programmers and tech people do.

Keep it simple so that a 10th grader can understand it.
 

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cvm-mysql(8)						      System Manager's Manual						      cvm-mysql(8)

NAME
cvm-mysql - MySQL module SYNOPSIS
cvm-mysql CREDENTIALS
Pass phrase DESCRIPTION
This module queries a MySQL database for the account name, compares the stored pass phrase with the given one using crypt(3). CONFIGURATION VARIABLES
CVM_MYSQL_DEFAULT_FILE The full path of the defaults file to read if the following variable is set. If not set, the file $HOME/.my.cnf will be read (the MySQL default). CVM_MYSQL_DEFAULT_GROUP If set, the module will read connection default options from the named group in the defaults file as above CVM_MYSQL_HOST The hostname or IP of the MySQL server. If not set, a connection to the local host is assumed. CVM_MYSQL_USER The MySQL login ID to connect as. If not set, the invoking user is assumed. CVM_MYSQL_PASS The password for the above user. CVM_MYSQL_DB The database name, must be set. CVM_MYSQL_PORT The port number for the TCP/IP connection (only used if the server is not local). CVM_MYSQL_POSTQ (optional) The SQL query to execute after the credentials have been validated, see cvm-sql(7). CVM_MYSQL_PWCMP (optional) The password comparison module to use. CVM_MYSQL_SOCKET The path to the socket that should be used for connections to a local server. CVM_MYSQL_QUERY (optional) The SQL query to issue to retrieve the row containing the account information from the database, see cvm-sql(7). SEE ALSO
cvm-sql(7), cvm-pgsql(8), cvm-pwfile(8), cvm-qmail(8), cvm-unix(8), cvm-vmailmgr(8), cvm-benchclient(8), cvm-checkpassword(8), cvm-test- client(8) http://untroubled.org/pwcmp/pwcmp.html http://untroubled.org/cvm/cvm.html cvm-mysql(8)
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