• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 456
  • Last Modified:

sql command to list blank mysql

The code below is  list duplicate  blank  is 197 see picture how can I write sql commmand to list all record that 'code ' is blank  

remark code is can not be null
SELECT COUNT( * ) AS `Rows` , `Code`
FROM `customer`
GROUP BY `Code`
ORDER BY `Code`
LIMIT 0 , 30

Open in new window

197.JPG
0
teera
Asked:
teera
  • 2
3 Solutions
 
oobaylyCommented:
If I'm understanding correctly, you just want to list records where Code is an empty string
SELECT * FROM `customer` WHERE `Code` = '';
 
-- or if Code is counted as empty even if it contains spaces:
SELECT * FROM `customer` WHERE TRIM(`Code`) = '';

Open in new window

0
 
vinurajrCommented:
SELECT COUNT( * ) AS `Rows` , coallsec(`Code`,'') AS `Code`
FROM `customer`
GROUP BY coallsec(`Code`,'')
ORDER BY `Code`
LIMIT 0 , 30
0
 
racekCommented:
SELECT * FROM `customer`
WHERE TRIM(`Code`) = ''
OR code IS NULL;
0
 
racekCommented:
SELECT * FROM `customer`
WHERE TRIM(`Code`) = ''
OR Code IS NULL;
0
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

Featured Post

Cloud Class® Course: Certified Penetration Testing

This CPTE Certified Penetration Testing Engineer course covers everything you need to know about becoming a Certified Penetration Testing Engineer. Career Path: Professional roles include Ethical Hackers, Security Consultants, System Administrators, and Chief Security Officers.

  • 2
Tackle projects and never again get stuck behind a technical roadblock.
Join Now