Search
 
SCRIPT & CODE EXAMPLE
 

SQL

sql blank vs null

A null value is a value that doesn't exist: 
the field does not contain a value of any kind (not even a blank value). 
By contrast, a blank value is a real value: 
it is a string value containing 0 characters
Comment

PREVIOUS NEXT
Code Example
Sql :: sql update where id 
Sql :: oracle remove line breaks 
Sql :: mysql datetime to date 
Sql :: sql pagination offset 
Sql :: mysql update join 
Sql :: how to calculate number of days between two dates excluding weekends in oracle 
Sql :: java sql timestamp now 
Sql :: sql convert date to string yyyy-mm-dd 
Sql :: import all databases mysql 
Sql :: update auto increment value in mysql 
Sql :: select milliseconds mysql 
Sql :: find the median in sql 
Sql :: connexion mysql 
Sql :: remove space in sql server 2012 
Sql :: mysql local password denied 
Sql :: postgresql concatenate multiple rows into one row 
Sql :: Get first 10 in sql 
Sql :: how to select distinct in mysql 
Sql :: run postgresql dump to csv 
Sql :: show column names in sql table 
Sql :: mysql get all tables from a specific database 
Sql :: alter table add column in sql server 
Sql :: change magento database url usimg musql 
Sql :: postgresql delete multiple rows 
Sql :: mysql execute file 
Sql :: mysql count multiple columns in one query 
Sql :: row to json in sql server 
Sql :: 11:04:35 PM [mysql] Error: MySQL shutdown unexpectedly. 11:04:35 PM [mysql] This may be due to a blocked port, missing dependencies, 
Sql :: q operator in plsql 
Sql :: drush run sql select 
ADD CONTENT
Topic
Content
Source link
Name
3+2 =