Foods 'with nearly zero calories' and mostly containing water and fibre' are important for not just weight loss and ...

Using SQL queries means you get a neat table. You don’t need to understand the ins and outs of SQL to make the best use of BigQuery. This query is courtesy of Chris Green.

I have a Linq2Sql Query like this: Parent.Include (p => p.Children) .Where (p => p.Children.Any (c => c.SomeNullableDateTime == null) && p.Children .Where (c => c ...

Nulls are deceptive in subtle ways. As an exam­ple, consider a table with 10 rows and a column named Test_Code, and that five of the rows have a value of “X” in Test_Code, while “Y” is the value in ...

In my database ddl (SQL Server) I have fields which have default values: my_database_field varchar (255) NOT NULL DEFAULT 'NVT' However, when I try to insert data into this table using ...

Null Dilemma However, aside from situations like this, the issue of whether null values should be used in a database is often debated amongst software developers, and is known as the Null Dilemma.

If you have requirement to filter records where some columnName is either having value Null or have WhiteSpaces or is Empty, you can use following query: SELECT columnName FROM tableName WHERE ...