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Default Values and NULL Properties in SQL by Nishki Gejmer is a document available to read on EtoBox.

What is Default Values and NULL Properties in SQL about?

This document discusses default values and NULL properties for columns in SQL tables. It provides examples of using built-in functions like NEWID() and DATE functions as default values. Columns are NULL by default unless NOT NULL is specified, with the exception of BIT columns which are NOT NULL by default. NULL means a column can be assigned NULL, while DEFAULT NULL means NULL will be used if no other value is provided. The document also introduces column constraints as rules about valid column values that

Author

Nishki Gejmer

Language

EN