Default value is null always,Schema.DescribeFieldResult
51478
What does DescribeFieldResult.getDefaultValue actually return?
127800
SQL: Using NULL values vs. default values
143243
Is NULL always false?
115884
How to make a field NULL using MySQL GUI Tools?
14853
How to get the entity ID for a custom field in Apex?
16807
Should I always/ever/never initialize object fields to default values?
5850
.Net DefaultValueAttribute on Properties
118788
Setting Zero values back to NULL
139881
why HTML Agility Pack HtmlDocument.DocumentNode is null?
3230
Validate schema programmatically using hibernate
129701
Why shouldn't INFORMATION_SCHEMA views be used to determine the schema of an object?
3629
How to fix entity property X doesn't support writing, when setting content type field values?
22291
What are the JPA @Table annotation "catalog" and "schema" variables used for?
38632
SOQL: why FIELDS() function in not supported? Test class API version 51
127929
How to use gsettings when there is no schema listed
84332
Xml serialization - Hide null values
22992
How to specify null value in MS Access through the JDBC-ODBC bridge?