About this document
SQL JOIN, IN, IS NULL Syntax Guide by sud bob is a document available to read on EtoBox.
The document describes three SQL statements: INNER JOIN which selects rows from two tables where the join column values are equal; IN which selects rows where the column value matches one in a list of values; and IS NULL/IS NOT NULL which selects rows where the column value is or is not null.
- Author
- sud bob
- Language
- EN