ob_trx_timeout

Description

ob_trx_timeout specifies the timeout period of a transaction.

Privilege requirements

• Query variables

  • Global level

    The sys tenant and all user tenants can execute the SHOW VARIABLES statement or query the SYS.TENANT_VIRTUAL_GLOBAL_VARIABLE (Oracle mode) or information_schema.GLOBAL_VARIABLES (MySQL mode) view to get the value of a global system variable.

  • Session level

    The sys tenant and all user tenants can execute the SHOW VARIABLES statement or query the SYS.TENANT_VIRTUAL_SESSION_VARIABLE (Oracle mode) or information_schema.SESSION_VARIABLES (MySQL mode) view to get the value of a session system variable.

• Modify variables

  • Global level

    • The sys tenant can modify the value of a global system variable.

    • In MySQL mode, a user tenant must have the SUPER or ALTER SYSTEM privilege to modify the value of a global system variable.

    • In Oracle mode, a user tenant must have the ALTER SYSTEM privilege to modify the value of a global system variable.

  • Session level

    The sys tenant and all user tenants can modify the value of a session system variable.

Attributes

Examples

Set the timeout period of a transaction to 86400000000 microseconds.

• Session level

  obclient> SET ob_trx_timeout =86400000000;
  

• Global level

  obclient> SET GLOBAL ob_trx_timeout =86400000000;