How wide is a null column in a table in a PostgreSQL database?
48091
Do nullable columns occupy additional space in PostgreSQL?
56652
Cannot add a NOT NULL column with default value NULL in Sqlite3
43725
Does the order of columns in a table's definition matter?
93530
SQL Server 2008 Empty String vs. Space
100793
What's better here - a single column or multicolumn primary key?
139486
NULL value self comparison in a table
135734
How to add column if not exists on PostgreSQL?
52109
What are the optimum varchar sizes for MySQL?
134954
ListView.GridViewColumn (*) width
155256
Delete query does not appear to open space on the SQL Server
127800
SQL: Using NULL values vs. default values
115884
How to make a field NULL using MySQL GUI Tools?
146077
Postgres view column references
76142
Quoting columns with spaces in PostgreSQL?
157835
SQL Data Reader - handling Null column values
32059
What is \null and when do we need to use it?
156078
handling dbnull data in vb.net