Global System Variables versus System Variables at the Connection Level : Variable « Select Clause « SQL / MySQL






  1. SQL / MySQL
  2. Select Clause
  3. Variable

Global System Variables versus System Variables at the Connection Level

       

SELECT @@wait_timeout                    -- Session (connection level)
SELECT @@session.wait_timeout            -- Session (connection level)
SELECT @@global.wait_timeout             -- Global

SET @@wait_timeout = 10000               -- Session (connection level)
SET @@session.wait_timeout = 10000       -- Session (connection level)
SET SESSION wait_timeout = 10000         -- Session (connection level)
SET @@global.wait_timeout = 10000        -- Global
SET GLOBAL wait_timeout = 10000          -- Global








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