[OCM 12C] Configuring the Resource Manager

Good to user with Enterprise Manager Cloud Control. “Oracle Database Resource Manager (the Resource Manager) enables you to manage multiple workloads within a database that are contending for system and database resources.” “You can examine these statistics using real-time SQL monitoring and the Resource Manager dynamic performance views (the V$RSRC_* views).” “Oracle Database provides a procedure (CREATE_SIMPLE_PLAN) that enables you to quickly create a simple resource plan.” Views: V$SESSION V$RSRC_* views) Steps to create a complex plan: Step 1: Create a pending area. Step 2: Create, modify, or delete consumer…

Optimizing star queries

DBMS_XPLAN.DISPLAY ALTER SESSION SET star_transformation_enabled=TEMP_DISABLE; Database Administration -> Database PL/SQL Packages and Types Reference -> 202 DBMS_XPLAN Database Administration -> Oracle Database Reference -> STAR_TRANSFORMATION_ENABLED brunorsHi! I am Bruno, a Brazilian born and bred. Former Oracle ACE, Computer Scientist, MSc in Data Science, over ten years of experience in companies such as IBM, Epico Tech, and Playtech based in three different countries (Brazil, Hungary, and Sweden) and joined projects remotely in many others. I am super excited to show you my interest in Databases, Cloud, Data Science, Data Engineering, Bigdata,…

How was the Workshop: Become a Hero with Oracle Autonomous Database in Stockholm, Sweden ( March 6, 2019) ?

Hello, Hello, As I announced a few weeks ago, I confirmed that I will join the Workshop: Become a Hero with Oracle Autonomous Database in Stockholm, Sweden ( March 6, 2019) . Besides the knowledge I gained attending this event I would really like to highlight Jan Tjernberg for his participation in my Youtube video regarding this event. The language spoken is Portuguese but from the minutes 3:22, it is possible to see my interview in English with him. The video is below: I hope everybody likes it and I…

Oracle Code and Oracle ACE program dinner – Rome, Italy 2019

Hello, I am glad to announce that I am going to attend the Oracle Code Rome 2019 and I will join as a guest in the Oracle ACE dinner. The dinner will be on the 03rd of April and the conference on the 04th of April. This will be my first dinner as a guest at the Oracle ACE Program after my award in Hungary. I am excited for this and I hope to see all of you guys in Rome, Italy on the 04th of April. If you have…

Managing partitioned tables

Partition: Range Partition Interval Partition (extension of Range Partition) List Partition Hash Partition Reference Partition Range-Hash Partition (Subpartition) USER_TAB_PARTITIONS USER_SEGMENTS USER_PART_TABLES DBA_TAB_PARTITIONS USER_LOB_PARTITIONS Database VLDB and Partitioning Guide -> 4 Partition Administration https://www.youtube.com/watch?v=VBkpI4Ki49Q – Range Partition https://www.youtube.com/watch?v=0YYXfFcbC-A – List Partition https://www.youtube.com/watch?v=PrjI-aZrNZE – Hash Partitionhttps://www.youtube.com/watch?v=TT7aDwNFzC4 – Reference Partition https://www.youtube.com/watch?v=BESXA-k5EJU – Virtual column brunorsHi! I am Bruno, a Brazilian born and bred. Former Oracle ACE, Computer Scientist, MSc in Data Science, over ten years of experience in companies such as IBM, Epico Tech, and Playtech based in three different countries (Brazil, Hungary,…

Workshop: Become a Hero with Oracle Autonomous Database in Stockholm, Sweden ( March 6, 2019)

Hej, I was invited to join in the workshop “Become a Hero with Oracle Autonomous Database” on March 06th at Sheraton Stockholm Hotel (Tegelbacken 6 101 23 Stockholm Sweden ) from March 6, 2019 – 09:00 – 16:30 . Here is the official link to this event: : https://eventreg.oracle.com/profile/web/index.cfm?PKwebID=0x614233abcd Here is the agenda: Besides this, I was selected for an Oracle Cloud promotion in complimentary credits, valid for 30 days where I will be testing the Cloud Platform and Infrastructure services. After this event I’m going to write another post…

[OCM 12C] Creating and managing partitioned indexes

” B-tree indexes: the default and the most common B-tree cluster indexes: defined specifically for cluster Hash cluster indexes: defined specifically for a hash cluster Global and local indexes: relate to partitioned tables and indexes Reverse key indexes: most useful for Oracle Real Application Clusters applications Bitmap indexes: compact; work best for columns with a small set of values Function-based indexes: contain the precomputed value of a function/expression Domain indexes: specific to an application or cartridge. “ Tips: Bitmap indexes: suitable to complex WHERE clause in SQL statements. “LONG and…

[OCM 12C] Managing extended statistics

Oracle Database Online Documentation 12c Release 1 (12.1) -> Database Administration Database -> SQL Tuning Guide Part -> V Optimizer Statistics brunorsHi! I am Bruno, a Brazilian born and bred. Former Oracle ACE, Computer Scientist, MSc in Data Science, over ten years of experience in companies such as IBM, Epico Tech, and Playtech based in three different countries (Brazil, Hungary, and Sweden) and joined projects remotely in many others. I am super excited to show you my interest in Databases, Cloud, Data Science, Data Engineering, Bigdata, AI, Programming, Software Engineering,…

[OCM 12C] Capturing performance statistics

Oracle Database Online Documentation 12c Release 1 (12.1) -> Database Administration Database -> SQL Tuning Guide Part -> V Optimizer Statistics brunorsHi! I am Bruno, a Brazilian born and bred. Former Oracle ACE, Computer Scientist, MSc in Data Science, over ten years of experience in companies such as IBM, Epico Tech, and Playtech based in three different countries (Brazil, Hungary, and Sweden) and joined projects remotely in many others. I am super excited to show you my interest in Databases, Cloud, Data Science, Data Engineering, Bigdata, AI, Programming, Software Engineering,…

[OCM 12C] Configuring parallel execution

Oracle Database Online Documentation 12c Release 1 (12.1)-> Database Administration -> 15 Process Architecture Oracle Database Online Documentation 12c Release 1 (12.1) -> Data Warehousing and Business Intelligence -> Database VLDB and Partitioning Guide -> 8 Using Parallel Execution brunorsHi! I am Bruno, a Brazilian born and bred. Former Oracle ACE, Computer Scientist, MSc in Data Science, over ten years of experience in companies such as IBM, Epico Tech, and Playtech based in three different countries (Brazil, Hungary, and Sweden) and joined projects remotely in many others. I am super…