08 2023 档案

摘要:``` https://github.com/carlos-sierra/cscripts CS Scripts Inventory by Type (2023-07-29) Latency Load SQL Performance SPBL - SQL Plan Baselines SPRF - 阅读全文
posted @ 2023-08-22 22:40 DBAGPT 编辑
摘要:### ``` 原文-https://github.com/aws-samples/automate-table-partitioning-in-oracle-standard-edition/tree/main/partitions/scripts 需要调整的地方有: 1. drop table 阅读全文
posted @ 2023-08-20 19:44 DBAGPT 编辑
摘要:``` #!/bin/bash PDB=ORCLPDB2 export ORACLE_PDB_SID=ORCLPDB2 for x in {1..3} do sqlplus -S '/ as sysdba' <<EOF alter session set container=$ORCLPDB1 dr 阅读全文
posted @ 2023-08-20 19:12 DBAGPT 编辑
摘要:Oracle partition 功能发展历程 ![](https://img2023.cnblogs.com/blog/3178617/202308/3178617-20230820183945627-537573003.png) > 细节参考:https://www.oracle.com/doc 阅读全文
posted @ 2023-08-20 18:40 DBAGPT 编辑
摘要:### 基础理论 ``` Oracle数据库逻辑存储结构 Oracle Database allocates logical space for all data in the database. Oracle数据库逻辑存储单元有 data blocks, extents, segments, an 阅读全文
posted @ 2023-08-15 22:07 DBAGPT 编辑
摘要:答案是:对于Oracle数据库的CBO(Cost-Based Optimizer),统计信息的基础是来自DBA_TAB_STATISTICS视图,而不是DBA_SEGMENTS视图。DBA_TAB_STATISTICS视图提供了表级别的统计信息,这些信息用于CBO生成查询执行计划和优化查询。在CBO 阅读全文
posted @ 2023-08-13 19:21 DBAGPT 编辑
摘要:1. 网卡配置 默认使用dhcp config.vm.network :public_network 或者使用指定IP config.vm.network :public_network, ip: "192.168.56.102", virtualbox__hostonly: "vboxnet0" 阅读全文
posted @ 2023-08-13 11:48 DBAGPT 编辑
摘要:``` PURPOSE In Oracle10g and onwards, we have the option to shrink a segment, which will help DBAs to manage the space in better way. This feature als 阅读全文
posted @ 2023-08-12 16:42 DBAGPT 编辑
摘要:https://blog.iarsov.com/oracle/partial-restore-and-recovery/ 阅读全文
posted @ 2023-08-10 22:32 DBAGPT 编辑
摘要:目录AHF以及tfactlAHF 安装ahfctl 以及 tfactl优化tfactltfactl 授权常用命令ahf , tfactl功能快看参考文献 AHF以及tfactl - 随着各种AI以及自动化工具的出现,Oracle也提供了越来越多的工具方便平时的运维,并且随着行业对每一个工程师的要求越 阅读全文
posted @ 2023-08-10 22:18 DBAGPT 编辑
摘要:https://blog.iarsov.com/oracle/insert-statement-taking-long-time/ > https://blog.iarsov.com/oracle/sequences-cache-nocache/ 阅读全文
posted @ 2023-08-10 21:43 DBAGPT 编辑
摘要:``` #!/bin/bash TBL_LIST=/tmp/table_name_list.out TBL_METADATA=/tmp/ddl_tables_all.sql sqlplus -S '/ as sysdba' << EOF PROMPT spool ${TBL_LIST} set pa 阅读全文
posted @ 2023-08-09 22:03 DBAGPT 编辑

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