Alternatives to NULL for missing data
72088
Why shouldn't we allow NULLs?
110077
Is it good practice to NULL a pointer after deleting it?
61192
Why are lower p-values not more evidence against the null? Arguments from Johansson 2011
126118
Why are empty lists not consistently formatted in a Dataset?
49862
Aligning Data frame with missing values
84332
Xml serialization - Hide null values
144544
How to handle NULL values when inserting with the Dataloader(.io)
114816
Is null reference possible?
14047
How much missing data is too much? Multiple Imputation (MICE) & R
83354
Nullable types: better way to check for null or zero in c#
101959
How to keep the structure of the Tablix when there is no data to show
142689
Carry over long sequence of missing values with Postgres
136704
Find missing indexes
132398
What is null in Java?
156262
One step check for null value & emptiness of a string
158391
Most efficient way to check for DBNull and then assign to a variable?
127800
SQL: Using NULL values vs. default values