Column References

Syntax

[[[database.]schema.]table-name.]column-name

Parameters

schema

Database and schema. The default schema is public. If you specify a database, it must be the current database.
table‑name

One of the following:

  • Name of a table
  • Table alias defined in the query's FROM clause
column‑name

A column name that is unique among all queried tables.

Restrictions

A column reference cannot contain any spaces.