S R 1c51e91292 Explanations for NULL, Added Default (#28008) ...

1. Corrected NOT NULL / NULL explanation
2. Added explanation for Default
3. Added new columns to illustrate 'default' and 'null' behaviour.
4. Explanations for datatypes
5. NUMERIC Datatype illustrated.

2019-03-07 14:45:33 -08:00

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index.md

Explanations for NULL, Added Default (#28008)

2019-03-07 14:45:33 -08:00