- Connecting to Snowflake
- Loading Data into Snowflake
- Unloading Data from Snowflake
- Using Snowflake
- Sharing Data Securely in Snowflake
- Managing Your Snowflake Organization
- Managing Your Snowflake Account
- Managing Security in Snowflake
- Managing Governance in Snowflake
- Managing Cost in Snowflake
- General Reference
- SQL Command Reference
- Summary of Commands
- All Commands (Alphabetical)
- ALTER <object>
- ALTER ACCOUNT
- ALTER API INTEGRATION
- ALTER CONNECTION
- ALTER DATABASE
- ALTER DATABASE ROLE
- ALTER EXTERNAL FUNCTION
- ALTER EXTERNAL TABLE
- ALTER FAILOVER GROUP
- ALTER FILE FORMAT
- ALTER FUNCTION
- ALTER INTEGRATION
- ALTER MASKING POLICY
- ALTER MATERIALIZED VIEW
- ALTER NETWORK POLICY
- ALTER NOTIFICATION INTEGRATION
- ALTER PASSWORD POLICY
- ALTER PIPE
- ALTER PROCEDURE
- ALTER REPLICATION GROUP
- ALTER RESOURCE MONITOR
- ALTER ROLE
- ALTER ROW ACCESS POLICY
- ALTER SCHEMA
- ALTER SECURITY INTEGRATION
- ALTER SECURITY INTEGRATION (External OAuth)
- ALTER SECURITY INTEGRATION (Snowflake OAuth)
- ALTER SECURITY INTEGRATION (SAML2)
- ALTER SECURITY INTEGRATION (SCIM)
- ALTER SEQUENCE
- ALTER SESSION
- ALTER SESSION POLICY
- ALTER SHARE
- ALTER STAGE
- ALTER STORAGE INTEGRATION
- ALTER STREAM
- ALTER TABLE
- ALTER TABLE … ALTER COLUMN
- ALTER TAG
- ALTER TASK
- ALTER USER
- ALTER VIEW
- ALTER WAREHOUSE
- BEGIN
- CALL
- CALL (with Anonymous Procedure)
- COMMENT
- COMMIT
- COPY INTO <location>
- COPY INTO <table>
- CREATE <object>
- CREATE ACCOUNT
- CREATE API INTEGRATION
- CREATE <object> … CLONE
- CREATE CONNECTION
- CREATE DATABASE
- CREATE DATABASE ROLE
- CREATE EXTERNAL FUNCTION
- CREATE EXTERNAL TABLE
- CREATE FAILOVER GROUP
- CREATE FILE FORMAT
- CREATE FUNCTION
- CREATE INTEGRATION
- CREATE MANAGED ACCOUNT
- CREATE MASKING POLICY
- CREATE MATERIALIZED VIEW
- CREATE NETWORK POLICY
- CREATE NOTIFICATION INTEGRATION
- CREATE PASSWORD POLICY
- CREATE PIPE
- CREATE PROCEDURE
- CREATE REPLICATION GROUP
- CREATE RESOURCE MONITOR
- CREATE ROLE
- CREATE ROW ACCESS POLICY
- CREATE SCHEMA
- CREATE SECURITY INTEGRATION
- CREATE SECURITY INTEGRATION (External OAuth)
- CREATE SECURITY INTEGRATION (Snowflake OAuth)
- CREATE SECURITY INTEGRATION (SAML2)
- CREATE SECURITY INTEGRATION (SCIM)
- CREATE SEQUENCE
- CREATE SESSION POLICY
- CREATE SHARE
- CREATE STAGE
- CREATE STORAGE INTEGRATION
- CREATE STREAM
- CREATE TABLE
- CREATE | ALTER TABLE … CONSTRAINT
- CREATE TAG
- CREATE TASK
- CREATE USER
- CREATE VIEW
- CREATE WAREHOUSE
- DELETE
- DESCRIBE <object>
- DESCRIBE DATABASE
- DESCRIBE EXTERNAL TABLE
- DESCRIBE FILE FORMAT
- DESCRIBE FUNCTION
- DESCRIBE INTEGRATION
- DESCRIBE MASKING POLICY
- DESCRIBE MATERIALIZED VIEW
- DESCRIBE NETWORK POLICY
- DESCRIBE PASSWORD POLICY
- DESCRIBE PIPE
- DESCRIBE PROCEDURE
- DESCRIBE RESULT
- DESCRIBE ROW ACCESS POLICY
- DESCRIBE SCHEMA
- DESCRIBE SEARCH OPTIMIZATION
- DESCRIBE SEQUENCE
- DESCRIBE SESSION POLICY
- DESCRIBE SHARE
- DESCRIBE STAGE
- DESCRIBE STREAM
- DESCRIBE TABLE
- DESCRIBE TASK
- DESCRIBE TRANSACTION
- DESCRIBE USER
- DESCRIBE VIEW
- DESCRIBE WAREHOUSE
- DROP <object>
- DROP CONNECTION
- DROP DATABASE
- DROP DATABASE ROLE
- DROP EXTERNAL TABLE
- DROP FAILOVER GROUP
- DROP FILE FORMAT
- DROP FUNCTION
- DROP INTEGRATION
- DROP MANAGED ACCOUNT
- DROP MASKING POLICY
- DROP MATERIALIZED VIEW
- DROP NETWORK POLICY
- DROP PASSWORD POLICY
- DROP PIPE
- DROP PROCEDURE
- DROP REPLICATION GROUP
- DROP RESOURCE MONITOR
- DROP ROLE
- DROP ROW ACCESS POLICY
- DROP SCHEMA
- DROP SEQUENCE
- DROP SESSION POLICY
- DROP SHARE
- DROP STAGE
- DROP STREAM
- DROP TABLE
- DROP TAG
- DROP TASK
- DROP USER
- DROP VIEW
- DROP WAREHOUSE
- EXECUTE IMMEDIATE
- EXECUTE TASK
- EXPLAIN
- GET
- GRANT DATABASE ROLE
- GRANT DATABASE ROLE … TO SHARE
- GRANT OWNERSHIP
- GRANT <privileges>
- GRANT <privilege> … TO SHARE
- GRANT ROLE
- INSERT
- INSERT (multi-table)
- LIST
- MERGE
- PUT
- REMOVE
- REVOKE DATABASE ROLE
- REVOKE DATABASE ROLE … FROM SHARE
- REVOKE <privileges>
- REVOKE <privilege> … FROM SHARE
- REVOKE ROLE
- ROLLBACK
- SELECT
- SET
- SHOW <objects>
- SHOW COLUMNS
- SHOW CONNECTIONS
- SHOW DATABASE ROLES
- SHOW DATABASES
- SHOW DATABASES IN FAILOVER GROUP
- SHOW DATABASES IN REPLICATION GROUP
- SHOW DELEGATED AUTHORIZATIONS
- SHOW EXTERNAL FUNCTIONS
- SHOW EXTERNAL TABLES
- SHOW FAILOVER GROUPS
- SHOW FILE FORMATS
- SHOW FUNCTIONS
- SHOW GLOBAL ACCOUNTS
- SHOW GRANTS
- SHOW INTEGRATIONS
- SHOW LOCKS
- SHOW MANAGED ACCOUNTS
- SHOW MASKING POLICIES
- SHOW MATERIALIZED VIEWS
- SHOW NETWORK POLICIES
- SHOW OBJECTS
- SHOW ORGANIZATION ACCOUNTS
- SHOW PARAMETERS
- SHOW PASSWORD POLICIES
- SHOW PIPES
- SHOW PRIMARY KEYS
- SHOW PROCEDURES
- SHOW REGIONS
- SHOW REPLICATION ACCOUNTS
- SHOW REPLICATION DATABASES
- SHOW REPLICATION GROUPS
- SHOW RESOURCE MONITORS
- SHOW ROLES
- SHOW ROW ACCESS POLICIES
- SHOW SCHEMAS
- SHOW SEQUENCES
- SHOW SESSION POLICIES
- SHOW SHARES
- SHOW SHARES IN FAILOVER GROUP
- SHOW SHARES IN REPLICATION GROUP
- SHOW STAGES
- SHOW STREAMS
- SHOW TABLES
- SHOW TAGS
- SHOW TASKS
- SHOW TRANSACTIONS
- SHOW USER FUNCTIONS
- SHOW USERS
- SHOW VARIABLES
- SHOW VIEWS
- SHOW WAREHOUSES
- TRUNCATE MATERIALIZED VIEW
- TRUNCATE TABLE
- UNDROP <object>
- UNDROP DATABASE
- UNDROP SCHEMA
- UNDROP TABLE
- UNDROP TAG
- UNSET
- UPDATE
- USE <object>
- USE DATABASE
- USE ROLE
- USE SCHEMA
- USE SECONDARY ROLES
- USE WAREHOUSE
- DDL (Data Definition Language) Commands
- DML (Data Manipulation Language) Commands
- Query Syntax
- Query Operators
- SQL Function Reference
- Snowflake Scripting Reference
- API Reference
- Appendices
UNSET¶
Drops a session variable.
- See also:
Syntax¶
UNSET <var>
UNSET ( <var> [ , <var> ... ] )
Parameters¶
var
Specifies the identifier for the variable to drop.
Usage Notes¶
The command supports dropping multiple variables in the same statement.
The command does not require a running warehouse to execute.
Examples¶
UNSET V1;
UNSET V2;
UNSET (V1, V2);