PRIMARY KEY

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Description

Specifies that a column or a number of columns of a table can contain only unique non-null values

Click here to navigate to the Amazon Redshift docs page for this syntax.

In Snowflake, unique, primary and foreign keys are used for documentation and do not enforce constraints or uniqueness. They help describe table relationships but don't impact data integrity or performance.

Grammar Syntax

PRIMARY KEY ( column_name [, ... ] )

Sample Source Patterns

Input Code:

Redshift

IN -> Redshift_01.sql

CREATE TABLE table1 (
    col1 INTEGER, 
    col2 INTEGER,
    PRIMARY KEY (col1)
);

Output Code:

Snowflake

OUT -> Redshift_01.sql

CREATE TABLE table1 (
    col1 INTEGER,
    col2 INTEGER,
    PRIMARY KEY (col1)
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "09/17/2024" }}'
;

Related EWIs

There are no known issues.