You can print the table structure of MySQL table in PHP using simple php script. All you need to do is to make a ‘describe table’ call and process it using php script, similar to one you use to print…
Category: MySQL
Changing database character set
Why to consider changing database character set? Why do i need to do this? As to find a more straight answer please look at the image below, taken from one of my websites built in WordPress:
How to delete duplicate MySQL records with duplicate field value (as ID)
For some reason i had duplicate entries in my WP database. The ID field in wp_users table was tempered with and was changed to Non Auto-Increment to insert records on the will. I deleted all ID=null records manually and then…
Conditional order by sorting using two fields in MySQL
Here’s the scenario. I have two fields in my “listings” table with help of which i wanted to sort (order by) results. First field is “activation_date”. It is the activation date of a listing. Second one is “featured” which stores…
How to update a mysql table with the count of another table while using like statement
While working on a web links directory i wanted to update categories table’s num_listings column with the count of listings under each category. The category id was stored something like this in listings table:
A few notes on joining a MySQL table to itself to get unique combination of field data
Just a few notes on joining a MySQL table to itself to get unique combination of data stored in its fields. Suppose we have a MySQL table named `keywords` having fields `word1`, `word2` and `word3`. Once we have got a…
Fixing ‘mysql’ is not recognized as an internal or external command in Windows7
Having WAMP installed when i try to type mysql in my windows command prompt it would give me the following error:
Calculating difference between two mysql dates in seconds
Here is a quick way to calculate the difference between two mysql dates in number of seconds. In my case, i required to fetch all entries for which the difference between current time stamp and date in a table field…
MYSQL custom sorting – order by field value
In this simple example I will show you a way to perform a custom sorting in MySQL. In this guide of custom sorting I am going to sort mysql rows based on the alphabetical order of the field values. Most…
Full-text search in MySQL
Normally, most of us use “SELECT * FROM table WHERE field1 LIKE ‘%$keyword%’” OR field2 LIKE ‘%$keyword%‘ ..etc” to search our table and get results. This is slow and inefficient approach, as it does return all (too many) rows in…
