SQL

External Article

Missing Data

  • Article

In the real world of business or scientific reporting and analysis, data can prove to be awkward. It can be plain wrong or it can be altogether missing. Sure, we have the NULL to signify unknown, but that doesn't play well with regular business reporting. There are a number of ways of dealing with missing information, and methods of estimating data from existing data has a long and respectable history. Joe Celko gets to grips with a data topic that is often treated with some trepidation.

2017-11-13

4,133 reads

Blogs

SQL Saturday Boston 2024 Slides

By

Thanks to everyone that came to my talks. Slides are below. Best Practices for...

Small Data SF 2024

By

I can’t remember how I heard about Small Data SF 2024, but it caught...

A New Word: Moledro

By

moledro – n. a feeling of resonant connection with an author or artist you’ll...

Read the latest Blogs

Forums

7 sept, scheduled book

By philip.scott

Comments posted to this topic are about the item 7 sept, scheduled book

7 sept, schedlued article

By philip.scott

Comments posted to this topic are about the item 7 sept, schedlued article

6 sept, published book

By philip.scott

Comments posted to this topic are about the item 6 sept, published book

Visit the forum

Question of the Day

Azure Data Lake Storage Gen 2

Azure Data Lake Storage Gen 2 is built on ...?

See possible answers