Oracle Database 12c

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4.1 out of 5 stars

Helps customers lower IT costs and deliver a higher quality of service by enabling consolidation onto database clouds.

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Oracle review by <span>Jaya Krishna T.</span>
Jaya Krishna T.
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Sr. Oracle Database Engineer

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What do you like best?

Oracle software provides great granularity in setting up the environment as per our needs and requirements. Customizing the solutions based on the problem areas comes with great ease and performance.

Performance issues could be easily found out using the tools like OEM and profiler options. Crontab allows us to make sure that all the jobs are properly schedule.

What do you dislike?

There isn't much that I dislike with Oracle. It would have been great to have the GUI on the Oracle similar to SQL Server management studio to manage the databases much efficiently and automate lots of stuff more efficiently and faster. Re-inventing the wheel kind of scenarios are some of the examples that we could have eliminated if we would have had a comfortable GUI tool to run on.

Recommendations to others considering the product

It's a great product and perfect fit for the Production environment for Mission-Critical databases.

What business problems are you solving with the product? What benefits have you realized?

We are utilizing the Oracle databases as a backend to Support Linkedin.com customer facing website. We have one of the largest GoldenGate implementations at LinkedIn having multi-colo setup. This is setup across 4 Datacenters across the Globe to provide high availability. We also have Active DataGuard setup across all the databases on all the colos to provide read traffic their dedicated instance. Also, having the nodes used for the Database backup and recovery purpose in times of disaster.

We also have the downstream functionality and support to our downstream customers like Teradata, Hadoop and Reporting environments to do near-live analytics of the data and run business critical reporting which goes to the Senior Leadership and Board level for analyzing the company's performance, objectives and goals.

We also have the custom scripting and Audit on top of our existing configuration to support what we already been provided by Oracle.

Automation using shell, perl and python scripts have been of a great deal using Oracle to setup lot of jobs which perform routine DBA tasks.

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Oracle review by <span>Florence Z.</span>
Florence Z.
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The best relational database

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What do you like best?

Hands-down the best relational database on the market, if not considering the price part. Stable relational database since version 9i. With 12c you get lots of features for free, lots of work done specially in optimizor so that only Oracle can handle queries of that complexity.

What do you dislike?

With more automation or artificial intelligence as they named it, there is obvious overhead. To make things easy, evaluate what your application really need and disabled things you don't need. The license model is very complicated, really need an expert in your organization to work on it.

Recommendations to others considering the product

Hands down the best relational database on market, if cost is not a concern.

What business problems are you solving with the product? What benefits have you realized?

Money related transactional database systems. A stable system that just does what it's programmed to do, high available, low latency, no data loss, no corruption, no custom complaints.

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Oracle review by Administrator
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What do you like best?

I started in the world of SMBD using Oracle in version 9i and then started as administrator in version 11g, it was very easy to adapt, in version 12c drastic changes were made but they are great especially the multitenant architecture and pluggable databases data that allows you to consolidate databases on a single server at the same time and keeps them separated from each other. This new architecture allows the sharing of SGA, CPU and other resources, greatly reducing the amount of memory and CPU required.

In our organization where there are variety of versions of oracle for different applications, this version 12c and pluggable databases will facilitate the administration and update of patches

What do you dislike?

Technically I have not dislike, alone the price, but it is worth the investment

Recommendations to others considering the product

I would recommend it for companies that want a secure database, quite robust, reliable and if they think about using database services in the cloud it would be great.

What business problems are you solving with the product? What benefits have you realized?

Since we have a variety of applications in different versions of Oracle, we are evaluating the impact of migrating to version 12c and using the pluggable databases with the version of Oracle that are required

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Oracle review by <span>Guneet S.</span>
Guneet S.
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What do you like best?

I have started using Oracle DB since its 9i version. It loved this alot. A great tool for Database management and its scalable as well. It has very great feature of timely backup which I like most. Security is always the first priority for them. I really had a great experience with this tool.

What do you dislike?

It is very heavy load tool. It requires more system specification to operate. If we talk about pricing, it is bit costlier than other competitors like google or AWS. These are the only disadvantages I noticed so far.

Recommendations to others considering the product

I will surely recommend this to others and our colleagues as well to use this as their primary db for application. The effort which Oracle made to develop this great tool obviously it should reach to everyone.

As per the client application model, I could not share the screen shot of the application due to security reasons.

What business problems are you solving with the product? What benefits have you realized?

If we talk about the huge client application which has large number of customer records, there needs a db which can handle large number of records with its scalable behaviour, Oracle comes first in mind. Oracle is the king in database management with full of security. It is a great tool by Oracle to work on.

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Oracle review by <span>Manjeet K.</span>
Manjeet K.
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12c: Clustered beast of cloud.

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What do you like best?

Oracle 12c has helped us lot by cutting down limitations that we were fetching currently in traditional RDBMS.

12c has functionality of plugging databases (PDBs), where we can form master slave architecture and run multiple DB from single master. Cool isn't it?

Second cool thing, it supports JSON. which is quite helpful if you have application with REST architecture.

What do you dislike?

I don't see there is something to dislike about 12c. Yes, cost is definitely one of the factor where any organization needs to evaluate if it's helping them go positive or not. Because cost of 12c itself and device on which it runs are relative. Which definitely is high. But, again as i said, it would be totally organizations call.

Like is said above 12c has pluggable feature. But, again in order to use it effectively, you need lot of preparation. For ex:

All cluster DB must be configured to handle the resource requirements in accordance with PDBs that you are going to manage, else you will have to shutdown to reconfigure and restart the Cluster DB and all the PDBs. Additionally, you need to keep in mind small things, e.g. container, and all PDBs, should be running on same character set. Hence, it's better to switch to Unicode.

12c is definitely a beast which needs proper care to keep running smoothly. Of course, all the beast do. ;)

Recommendations to others considering the product

Definitely go ahead and opt it. PDBs & CDB will overwhelm you.

What business problems are you solving with the product? What benefits have you realized?

I would sum benefits to 3's. Scalability, Security and Stability. Pluggable database of course has helped lot. It's quite a state of art. It has helped lot in managing & reducing time and effort for database upgrades, backup, recovery, etc.

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Oracle review by <span>Haresh S.</span>
Haresh S.
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What do you like best?

I have dabbled with many databases for the enterprise and organization over a period of time and i strongly feel this is the best database one could ever get because of its scalability and aggregation, and surely the best relational database for large scale application servers and performs well under a heavy load and cheap,store retrieval options are easy and more flexible to create triggers and also create partitions and also in terms of backup and recovery it stands out all the time

What do you dislike?

There are some issues which i really hate one being the restricted PGA size ,table level recovery in recovery manager (RMAN),multiple indexes on the same column which takes quite a bit of a time inorder to get there and also fetch the data effectively and temporary undo in and outs and online migration of an active data file which takes quite a bit of a time and also sometimes session logging and tracking is a hassle here

Recommendations to others considering the product

I would prefer it just for the uniqueness and robustness this database has to offer and also the temporary cache storage tables all the time

What business problems are you solving with the product? What benefits have you realized?

For creating synonyms,ddl logging like create update delete statements it works faster and quite efficiently most of the times and temporary undo information takes a lot of steps to get it done but i felt that is effective for the business needs and we were able to save a lot of time in the process

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