Tagged: mysql

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MySQL Trim

I have a column within my MySQL table that holds city and states for records. The dataset looks like the following: Clay County, AL Cleburne County, AL Coffee County, AL Colbert County, AL Conecuh...

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Username Availability Check

This will be a walk-through on how to create a submit form that checks the database to make sure the username is not taken.  If it is taken it will not allow the submit...

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MySQL – find in set vs in

These are two different commands with different outputs when added to a SQL query. MySQL “in” command for example: select * from assets a left outer join assetInterests ai on a.id = ai.assetID where...

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Simple Twitter Auto Poster

This is the first in what will end up being a several part tutorial on creating a Twitter posting program.  These tutorials will show how to create the bot using the PHP library that...

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WordPress SQL Syntax Example

I have a couple of tables I’m joining and only want to return users that a field missing in the joined table. Users id fname lname userMeta id metaKey metaValue I’m trying to find...

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SQL Syntax for Summing an Alias and Grouping by ID

Simple SQL query to sum an alias column and group by ID. Initial query user needed help with: select dt.member_id, dt.NumberOfMonthsBetween FROM ( select member_id, DATEDIFF(month,date_credentialed,renewal_date) as NumberOfMonthsBetween from member_credential ) dt where dt.NumberOfMonthsBetween...