freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

oracleocpsqloraclearchitecturalcomponents-資料下載頁(yè)

2025-01-22 07:08本頁(yè)面
  

【正文】 when: ? There are many dirty buffers ? There are few free buffers ? Timeout occurs ? Checkpoint occurs SGA Redo log buffer Data buffer cache Shared pool Database Redo log files Control files Data files DBW0 E26 Copyright 169。 Oracle Corporation, 2023. All rights reserved. SMON: System Monitor ? Automatically recovers the instance: – Rolls forward changes in the redo logs – Opens the database for user access – Rolls back unmitted transactions ? Coalesces free space ? Deallocates temporary segments E27 Copyright 169。 Oracle Corporation, 2023. All rights reserved. PMON: Process Monitor Cleans up after failed processes by: ? Rolling back the transaction ? Releasing locks ? Releasing other resources E28 Copyright 169。 Oracle Corporation, 2023. All rights reserved. Summary In this appendix, you should have learned how to: ? Identify database files: data files, control files, online redo logs ? Describe SGA memory structures: DB buffer cache, shared SQL pool, and redo log buffer ? Explain primary background processes: DBW0, LGWR, CKPT, PMON, SMON, and ARC0 ? List SQL processing steps: parse, execute, fetch E30 Copyright 169。 Oracle Corporation, 2023. All rights reserved. Hidden Slide E31 Copyright 169。 Oracle Corporation, 2023. All rights reserved. 演講完畢,謝謝觀看!
點(diǎn)擊復(fù)制文檔內(nèi)容
法律信息相關(guān)推薦
文庫(kù)吧 www.dybbs8.com
備案圖鄂ICP備17016276號(hào)-1