Oracle最大併發數&License情況
檢視當前license情況
檢視oracle的最大併發數限制,可是檢視v$license檢視SQL> show parameter license; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ license_max_sessions integer 0 license_max_users integer 0 license_sessions_warning integer 0
v$license檢視:
裡面記錄了Oracle最大的併發數以及當前使用者的連線數,
官方文件有如下描述:
This view contains information about license limits.
Column | Datatype | Description |
---|---|---|
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Maximum number of concurrent user sessions allowed for the instance |
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Warning limit for concurrent user sessions for the instance |
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Current number of concurrent user sessions |
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Highest number of concurrent user sessions since the instance started |
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Maximum number of named users allowed for the database |
其實,該試圖中的SESSIONS_CURRENT就等於select count(*) from v$session where TYPE = 'USER'
show parameter license_max_sessions //檢視最大併發數,如果是0,則預設是無限制,但如果在
在初始化檔案裡說明了,就以初始化檔案為主