Oracle Database

Oracle Database

Top Rated
Score 8.6 out of 10
Top Rated
Oracle Database


What is Oracle Database?

The Oracle Database, now in edition 19c, is presented by the vendor as an industry leading database that delivers leading-edge innovations, including machine learning to enable self-driving data management. An enterprise, database cloud service, it is designed to support mixed...
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Recent Reviews

Money Well Spent!

10 out of 10
June 23, 2022
[Our] Entire organizational data is placed in Oracle 12c. We, as an organization are extremely satisfied with the performance and the …
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10 out of 10
April 29, 2021
Oracle 12c is used to support the shopping website of the organization, it's very robust, high performing and THE database is scalable to …
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What is Oracle Database?

The Oracle Database, now in edition 19c, is presented by the vendor as an industry leading database that delivers leading-edge innovations, including machine learning to enable self-driving data management. An enterprise, database cloud service, it is designed to support mixed workloads through any…

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Product Details

What is Oracle Database?

The Oracle Database, now in edition 19c, is presented by the vendor as an industry leading database that delivers leading-edge innovations, including machine learning to enable self-driving data management. An enterprise, database cloud service, it is designed to support mixed workloads through any deployment strategy, on premises or in the cloud.

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Frequently Asked Questions

The Oracle Database, now in edition 19c, is presented by the vendor as an industry leading database that delivers leading-edge innovations, including machine learning to enable self-driving data management. An enterprise, database cloud service, it is designed to support mixed workloads through any deployment strategy, on premises or in the cloud.

PostgreSQL and MariaDB Platform are common alternatives for Oracle Database.

Reviewers rate Support Rating highest, with a score of 10.

The most common users of Oracle Database are from Enterprises (1,001+ employees).
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Score 10 out of 10
Vetted Review
Verified User
We do support our client's Oracle12c databases hosted in two data centers - One in Plano, Texas and One in Cherokee, Oklahoma. We support approx 400 plus DB instances running in different version of Oracle db- Oracle10g, Oracle11g, and Oracle12c. Our client business is in Aviation Industry. This industry demands state-of-art Technology to better serve their customer with the best quality service at affordable cost. This industry demands High Availability and High-Performance system for quick decision making.
  • Oracle12c Data Guard ensures high availability, data protection, and disaster recovery for enterprise data. It is one of the oracle finest solution for disaster recovery and data corruption. In this setup - You have one Primary and one or more standby DB in two or more different geographical locations. So, if the database hosted in one location goes down due to planned or unplanned outages, you can easily operate business from remote location database.
  • Oracle12c RAC provides Scale-up architecture. Oracle RAC ensures High Availability. In RAC architecture you have at least two or more physical servers with same configuration connected thru interconnect network. So, if one server goes down, you still have database running from the other(surviving) nodes. In this architecture - You can have appropriate on-demand services. You can easily scale up Servers, CPU, Memory.
  • Oracle12c has amazing Performance Tuning framework. You can very easily fine-tune databases running on Oracle12c. Some of the great features are Oracle ADDM, AWR report, ASH report, SQL report, SQL Plan Management, Tuning Advisor - SQL Tuning Advisor, SQL Access Advisor.
  • Oracle12c has great Back and Recovery solution using Oracle RMAN(Recovery Manager). Without much intervention and work, you can easily restore the database backup whenever and whereever you want.
  • Oracle12c provides great security standards that meet fundamental data security requirements - Data Confidentiality, Data Integrity and Data Availability.
  • Oracle Label Security, Oracle Data Redaction, Oracle Data Masking and subsetting, Transparent data protection, database storage encryption, Unified Auditing, and Oracle fine-grained audit are some great oracle features.
  • In Oracle Data Guard - Oracle standby database is most of the time passive and nothing happening on it other than applying the log. Even in Oracle Active Data Guard configuration - You can not do more than running the business SQL query on the standby. Oracle must come up with solution such that standby database can also be fully utilized as a full operational database.
  • Oracle should improve on Oracle internal locking mechanism, latch, and data concurrency. I have seen databases which runs fine with less number of ACTIVE user sessions. When ACTIVE user sessions are increased in the same database - db performance is deteriorated proportionately. If the database kernel has designed correctly, there won't be any db performance issue regardless of any number of user connections/sessions.
  • In current time - DB growth is very common, today your db size is 20GB, It may be 500GB at the end of the year, so on and so on. With respect to db size increase, Oracle must improve on RMAN(Recovery Manager) backup tool. The expectation is that faster backup and restore as and when needed. There is always a debate that - Please don't run RMAN backup,data pump export backup, and gather stats job during business peak hours as it will impact DB performance. Oracle database should have designed in such that Administrative jobs like Backup, data pump export and DB gather stats should not have db performance impact anytime, at any cost. Even Oracle claims that Oracle DBRM (Database Resource Manager) is solution to this problem, but, in actual, it doesn't address the problem in much better way.

Scenarios where Oracle12c DB is well suited:

1. Oracle12c DB with ODA(Oracle Database Appliance) is well suited for small to medium OLTP shops, where you don't have much DB workload. Oracle12c with ODA provides DB high availability, High redundancy, and good DB performance.

2. Oracle12c DB in EXADATA with IORM implementation is well suited for mixed DB environment. Mix DB environment is the one in which some databases are development DB, some are Test DB, Some are QA DB, Some are OLTP, and Some are Data Warehouse DB.

3. Oracle12c is well suited for Banking, Financial, Retail, and Aviation Industry.

Scenarios where Oracle12c DB is less appropriate:

1. Oracle12c is less appropriate for small shops like Restaurant business, Hotel/Motel Business, Burger Shop and Coffee House.

2. Oracle12c is less appropriate for Research and Scientific work, Data Analysis, Big data Analytics. The data computational speed is not so good in Oracle world.

3. Oracle12c is less appropriate for Data Messaging industry.

  • Positive Impact - I have been serving as a DBA to a Aviation Industry customer since 2009. Aviation Industry User community believes that Oracle database product is best product in the world. The reason would be it has been in the market for many years, more reliable product and the customer has more confidence in Oracle than others, has good market reputation, so many oracle expertise easily available whenever and where ever needed in affordable cost.
  • Positive Impact - Oracle12c with - ODA, Exadata, Big data appliance, Super cluster, and Oracle12c cloud offering are becoming popular day by day.
  • Negative Impact - Oracle licensing cost has been one of the most debatable topics in business user community every year.
Oracle12c database is Oracle's flagship product and has been there for a long time. Over the years - Oracle Improved a lot both design and feature wise. Oracle Enterprise Manager Cloud Control, Oracle Database Appliance, Oracle Exadata Database Machine, Oracle backup appliance, and Oracle Big data Appliance are Oracle's product. Oracle12c Database has been designed to work best on this product. These products are becoming popular day by day.
1. We have oracle platinum support for our customer American Airlines Exadata environment.
2. We have oracle premium support for Oracle19c db which are hosted in Oracle Database Appliance.
3. We have extended oracle support for Oracle dbs.
1. I have very good experience with Oracle Database support team. Oracle support team has pool of talented Oracle Analyst resources in different regions. To name a few regions - EMEA, Asia, USA(EST, MST, PST), Australia. Their support staffs are very supportive, well trained, and customer focused. Whenever I open Oracle Sev1 SR(service request), I always get prompt update on my case timely.
2. Oracle has zoom call and chat session option linked to Oracle SR. Whenever you are in Oracle portal - you can chat with the Oracle Analyst who is working on your case. You can request for Oracle zoom call thru which you can share the your problem server screen in no time. This is very nice as it saves lot of time and energy in case you have to follow up with oracle support for your case.
3.Oracle has excellent knowledge base in which all the customer databases critical problems and their solutions are well documented. It is very easy to follow without consulting to support team at first.
I worked on a sev1 Service request SR#3-25760794641 with oracle support on April 4/26/2021 - 4/27/2021 USA CDT hours.

On April 4/26/2021 at 8:30AM CDT - one of my ODA system server patching (from version 19.9 to 19.10) failed at step - configure ASM priv network - Dup Subnet for .17.* privasm.
We requested for oracle zoom call. Oracle Analyst Charles Lucas from USA MST time zone opened Oracle zoom session. He collected all the information needed to analyze the problem. He applied all his experience to solve this issue. This was one of the unique problem and this type of problem was never encountered with this ODA 19.10 patch bundle. He engaged Oracle ODA Development team for further analysis. Oracle development team took little time to analyze this issue and provided the solution. Oracle Analyst Matt Casaddy joined zoom session on 4/27/2021 and guided me to follow some of the steps of MOS Note - 2612963.1. The problem was finally resolved. It was an exceptional support from Oracle Analyst - Matt Casaddy. I learned a lot of Oracle RAC networking concepts from this Oracle SR request.
Sukesh Nayak | TrustRadius Reviewer
Score 9 out of 10
Vetted Review
Verified User
As a Oracle Database administrator I administrate various Oracle Database versions in my organization for my client. We have Oracle Database 12C installed in more than 35 production server environments and we are in process of upgrading our 11G databases to 12C. Oracle company introduced Oracle Database 12C with huge number of new features to overcome the limitations of its older versions like 10g ,11g etc. I do installation of Oracle 12C version databases and upgrade my database from 11g to 12c version and administrate Oracle 12c databases. It's really amazing to see Oracle come up with wonderful technologies and features like
1) OEM 12C ,using which I can monitor heterogeneous databases along with Oracle databases, host monitoring, creation of groups, One link for OEM administration whereas in older versions we used to have one OEM link per server and it is really difficult to manage OEM links in huge database server enviornment. 2) Multitenant database 3) Recover table using Rman 4) Full database caching. 5) In 12C we can move data files online. Whereas in prior database versions we had to offline of shutdown the database in order to move data files depending on type of tablespace. 6) Single node RAC, Flex ASM, Flex cluster and many more features.
I had great experience working on Oracle 12C and I highly recommend using 12C as it helps you to secure your database in many ways and gives you wonderful features hence allows easy administration.
  • OEM 12C allows cloud monitoring. We can install OEM on one server and monitor all my databases (11G R2 and above) hence I need to manage just one link. It also allows heterogeneous database monitoring, host monitoring, out offline patching.
  • We do not have an option to recover tables from Rman backup prior to 12C hence we had to be only depending on logical backups.
  • But using 12C database we can recover tables as well.
  • When we look for availability RAC comes to our mind and Oracle Database 12C came up with new features related to ASM and RAC like Flex cluster and Flex ASM using which if at all ASM instance goes down in a RAC node it can make use of asm that is running in other node hence ensuring availability. In Flex cluster we need to have Flex asm and the leaf nodes. There will be no database/ASM instances running in leaf nodes but only the application servers. The incoming connection come to leaf node and then to the actual hub server. Leaf nodes reduce the cost as there is no need for internode communication between leaf nodes. The internode connection should be there within hub nodes.
  • I don't see any such disadvantages but the multitenant structure seems bit complicated and same should be presented in simpler manner
Oracle Database 12C is well suited for large organizations which likes to use RAC environment or cloud environment since we get too many features to avail availability, scalability, performance and who can afford the cost. It is less suitable for small organizations who cannot afford the license cost.
  • Oracle Database 12C had just positive impact on our overall business objectives as we could make full use of Flex cluster, Flex ASM and it saved our transactions during node failure.
  • We have installed OEM 12C in one server using which we monitor Oracle 11g, 12C databases and we monitor hosts and goldengate which has eased the server administration
They are the Oracle Database administrators and we all work as a team in our organization. We perform installation, upgradation, patching, RAC administration, goldengate creation and management together. Team lead guides us in critical issues and whenever there are critical issues we start webex TRT call and coordinate with each other. It's a great experience for all of us working on 12C.
We need database administrators who can support as L1,L2 and L3 based on the issue priority. All the administrators should have a good understanding of the database architecture, instance and database administration. They need to have experience on Rman, datapump, RAC,Godengate, ASM etc
  • We used flex asm feature of Oracle 12c which helped us to achive high availability
  • We recovered table using Rman as there was a table dropped in production
  • We created CDB and PDB's for all databases which simplifies administration of databases
  • We have been able to recover tables using rman backup which was not available in prior versions
  • We have enabled full db caching which gives good performance
  • We create multiple indexes on columns which is very helpful in achieving good performance
  • We are still in process of upgrading some of our databases from 11g to 12C and once we are done with all upgradation, we will be able to include all our databases under multitenant architecture
As a Oracle Database administrator,I do installation upgradation to oracle 12C and we can make use of the new features that are introduced in this version to secure data in better ways hence I highly recommend using this database software
We replaced Oracle 11G version with Oracle12C as it gives too many new features like Flex cluster, Flex ASM, recover table from Rman, Multitenant architecture, Full DB caching,single node RAC etc and these are very helpful in achieving availability,scalability and performance
  • Product Features
  • Product Usability
We have RAC database enviornment in our organization and it is implemented to achieve high availability. Oracle 12C introduced Flex asm/Flex cluster which added advantages to RAC in order to achieve better availability in case of failure
I do not want to change my selection as I am quite happy with the oracle 12c database features and we are getting full benifits out of it
  • Implemented in-house
  • We did not face any such issues and it was smooth installation. The up gradation from 11G to 12C also was smooth as 12C provides parallel option to upgrade which makes the medatadata upgrade faster
The implementation of Oracle Database 12C was smooth and upgradation can be performed in minimum time as oracle 12C gives option to perform metadata upgrade using parallel option
The ORACLE-SUPPORT gives quick responses most of the time I raised a service request. They help us resolve issues and they also come on call if required. I have resolved many issues on my production databases using their help in minimum time. If the issue is critical and the response is late from them,we initiate call to manager
1)I asked for help suring my multitenant migraton and ORACLE-SUPPORT guided me.
2)I face issue in oracle 12C flex cluster
3)I face issue in oracle 12C flex asm
4)We faced performance issues and we took help from ORACLE-SUPPORT
5)We took help in goldengate implementation between heterogeneous enviornments
  • Implementing Flex cluster and flex asm is quite challenging
  • Easy to monitor databases using OEM 12C and performing out off line patching reduces downtime while patching
  • I don't see many things in this category but CDB /PDM administration could be challenging
As a Oracle Database administrator,I have installed oracle 12c databases and upgraded my databases to 12c and made use of new features that are introduced in this version. It has given us many features using which I can secure my data in a broader way hence I highly recommend usage of oracle 12c version.
Omar Faruq | TrustRadius Reviewer
Score 9 out of 10
Vetted Review
Verified User
Ours is a software product development company (SaaS). All our databases including OLTP and Data Warehouse are on Oracle 12c. It is the most reliable, scalable, performance focused and manageable database available in the industry to the best of my knowledge and experience. It gave us the flexibility to scale easily and manage our complex requirements.
  • The Oracle optimizer is getting smarter in every Oracle release. In 12c, the adaptive query optimization features helped a lot to improve query performance.
  • In 12c, we can restore a single table from RMAN backups - it's a very useful and time-saving feature when we need to recover a particular software module.
  • I see the scope of improving the optimizer capabilities to automatically handle run-away queries better, meaning, if a SQL suddenly comes up with a bad execution plan, the database needs to be able to handle it smoothly, rather than affecting other SQL.
If there is a need of a scalable and most performing database, I would highly recommend Oracle 12c (and the latest releases).
  • Oracle database 12c is very stable, it reduced a lot of downtime for us, thus we have a greater ROI.
It's easy to scale an Oracle database compared to any others, it's easy to manage many Oracle databases together with lots of administrative and security features.
The web-based software application development is done on Oracle Database 12c version, all the health care information is saved and served through the 12c database. Also, the Business Intelligence built on the 12c data warehouse.
The DBA team having at least one years + experience supports the 12c databases on development environment, testing and production environment as well.
  • It is the main production Transactional Database for web-based applications
  • It is the underlying Data Warehouse Database for Business Intelligence applications
  • It helps us to scale the software product and services at ease with a lower operational and management cost
  • We did not have to do any tweak to use 12c databases, all the features behaving according to the expectations. We are taking advantages of advanced compressions which reduced our storage usage about 40% and with greater performance.
  • We are looking forward to using multitenant features of 12c which will help us consolidates many databases altogether and will reduce overall cost drastically.
It is very likely to use this 12c (or next version) of Oracle Database. Nothing close to it in the marketplace in terms of performance, reliability and overall database management efficiency. If Oracle did one thing really good - it is it's OLTP Database I must say.
  • Product Features
  • Product Usability
  • Product Reputation
  • Prior Experience with the Product
  • Vendor Reputation
The features we needed, the stability and scalability we looked for, I believe Oracle database was the right choice.
  • Implemented in-house
1. Training, research & PoC implementations
2. Implement and test in development environments
3. Implement and test in beta environments
4. Implement in a secondary site in production with zero downtime
5. Implement in primary site in production
6. Go Live during a weekend when there is considerably low usage and monitor closely
Change management was minimal
All teams must work together and must have ongoing regular meetings during the implementation phase.
  • We hit a problem during the upgrade process, the halfway through the upgrade caused error, then it was resolved with the help of Oracle Support.
Overall the implementation went very well and after that everything came out as expected - in terms of performance and scalability. People should always install and upgrade a stable version for production with the latest patch set updates, test properly as much as possible, and should have a backup plan if anything unexpected happens.
Most of the time the Support is good and respond according to the expectations. However, there were occasions where it took a long time to get the issue resolved, needed escalations.
Yes most of the time.
When we initially migrate to 12c version from 11gR2, there was a problem in the upgrade process and upgrade failed in the middle-way. It was one of the production databases and we were counting times to bring up the databases. Oracle Support helped us 24/7 basis to get the issue resolved with proper guidelines and documentation - the process was smooth and quick because of Support.
  • The online database management and maintenance tasks
  • The SQL Plan stability and query performance
  • The overall database management, problem diagnosis and tuning
  • Nothing mentionable. However, sometimes we hit by a bug, which needed Oracle Support intervention to get resolved.
As an OLTP Database, this is simply unbeatable, best in the industry, we have not found any limitations in scalability. Also, it works great as a Data Warehouse.
Gonzalo Segarra | TrustRadius Reviewer
Score 8 out of 10
Vetted Review
Verified User
We are a hospital. We use Oracle Database for all our in-house development (HIS, electronic records, Invoice, data warehouse). We develop a lot in PL/SQL and this makes it very simple to have it all in the same place.
  • Fast
  • SQL and PL/SQL are very powerful
  • New releases have very nice features like compression, obfuscation, XML and JSON
  • License is sometimes is very expensive
  • A very good DBA is always needed to solve daily issues
  • Help online
Sensitive data
24/7 operations
Solid database
Need for speed and performance
Not good for Big Data scenarios
  • we can trust in our database and feel out data is safe
  • Develop in PL/SQL .Is stable,easy and fast and we have no "new releases" problems
The product is very good but when you need help it's very difficult. Oracle must have a database with all the customers' configuration so we don't lose a lot of time answering questions.We finally contract with a premium DBA to solve all our issues.
No - We finally decided not to report anything because we wasted a lot of time and got bad results.
Never. Perhaps the main problem is that we are in Argentina, South America and we never have a good representative or someone that can help us besides Oracle support. In my opinion, Oracle Database is excellent, but the way they deal with customers is very poor and support is very bureaucratic and slow.
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