PRIMARY KEY / UNIQUE
Description
All of the optional clauses of the PRIMARY KEY / UNIQUE constraint are removed in Snowflake.
Syntax in SQL Server
{ PRIMARY KEY | UNIQUE }
[ CLUSTERED | NONCLUSTERED ]
[ WITH FILLFACTOR = fillfactor ]
[ WITH ( index_option [, ...n ] ) ]
[ ON { partition_scheme_name (partition_column_name)
| filegroup | "default" } ]
Sample Source Patterns
SQL Server
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name UNIQUE;
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name PRIMARY KEY
NONCLUSTERED;
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name UNIQUE
WITH FILLFACTOR = 80;
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name PRIMARY KEY
WITH (PAD_INDEX = off);
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name UNIQUE
ON partition_scheme_name (partition_column_name);
Snowflake
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name UNIQUE;
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name PRIMARY KEY;
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name UNIQUE;
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name PRIMARY KEY;
ALTER TABLE table_name
ADD column_name INTEGER
CONSTRAINT constraint_name UNIQUE;
Known Issues
No issues were found.
Related EWIs
No related EWIs.
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