autocommit

Description

autocommit specifies whether to automatically commit transactions.

Privilege requirements

• Query variables

  • Global level

    sys tenants and all user tenants can execute the SHOW VARIABLES statement or query the SYS.TENANT_VIRTUAL_GLOBAL_VARIABLE view (Oracle mode) or the information_schema.GLOBAL_VARIABLES view (MySQL mode) to view the values of Global system variables.

  • Session level

    sys tenants and all user tenants can execute the SHOW VARIABLES statement or query the SYS.TENANT_VIRTUAL_SESSION_VARIABLE view (Oracle mode) or the information_schema.SESSION_VARIABLES view (MySQL mode) to view the values of Session system variables.

• Modify variables

  • Global level

    • sys tenants can directly modify the values of Global system variables.

    • MySQL user tenants must have the SUPER or ALTER SYSTEM privilege to modify the values of Global system variables.

    • Oracle user tenants must have the ALTER SYSTEM privilege to modify the values of Global system variables.

  • Session level

    sys tenants and all user tenants can directly modify the values of Session system variables.

Attributes

Examples

Set whether to automatically commit transactions.

• Global level

  obclient> SET GLOBAL autocommit=1;
  

• Session level

  obclient> SET autocommit=1;
  

References

• Manage transactions
• Start a transaction
• Commit a transaction