Oracle Data Guard vs Teradata comparison

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Oracle Data Guard

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Executive SummaryUpdated on Apr 20, 2025

Teradata and Oracle Data Guard compete in the data management and protection category. Teradata holds an edge in analytics and processing speed, while Oracle Data Guard shines in data protection and real-time replication.

Features: Teradata's strengths include advanced analytics, massively parallel processing, and a shared-nothing architecture that ensures scalability and performance. Oracle Data Guard is notable for its active data protection, real-time replication, and disaster recovery reliability.

Room for Improvement: Teradata could improve in transactional processing, concurrency, and cloud integration, alongside pricing adjustments. Oracle Data Guard might enhance its interface, simplify management, and optimize its cost structure for medium-sized businesses.

Ease of Deployment and Customer Service: Both Teradata and Oracle Data Guard support on-premises deployments, with limited cloud options. Teradata is praised for its technical support and quick response times. Oracle Data Guard offers robust support but could improve management ease and interface user-friendliness.

Pricing and ROI: Teradata is recognized for its high cost, justified by robust features and performance, targeting large enterprises. Oracle Data Guard, included in Oracle's Enterprise Edition, may involve additional licensing costs, though it offers good value for high-security needs.

To learn more, read our detailed Oracle Data Guard vs. Teradata Report (Updated: April 2025).

Oracle Data Guard vs. Teradata

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

Oracle Data Guard

Ranking in Backup and Recovery

15th

Average Rating

8.4

Reviews Sentiment

7.7

Number of Reviews

Ranking in other categories

No ranking in other categories

Teradata

Ranking in Backup and Recovery

20th

Average Rating

8.2

Reviews Sentiment

7.0

Number of Reviews

Ranking in other categories

Customer Experience Management (6th), Data Integration (17th), Relational Databases Tools (8th), Data Warehouse (3rd), BI (Business Intelligence) Tools (10th), Marketing Management (6th), Cloud Data Warehouse (6th)

Mindshare comparison

As of May 2025, in the Backup and Recovery category, the mindshare of Oracle Data Guard is 0.9%, down from 1.0% compared to the previous year. The mindshare of Teradata is 0.1%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Backup and Recovery

Featured Reviews

IfeoluwaOshinowo

Senior Oracle Database Administrator at Computer Information Systems (CIS)

Makes data protection and network management much easier

The initial setup is straightforward, provided you know the source, target, data version and format. You need to consider all those things. First and foremost, when deploying Oracle Data Guard, the number one priority is to ensure all parameters are correctly set. Two primary methods exist: using backups or recovering from services if the network is reliable. If the network is robust, backups from the source to the target may not be necessary. You must ensure that NIS names are correctly configured on both sides and that the failover and switchover processes are tested successfully from both production and standby environments. Once these steps are completed, the deployment process becomes straightforward. There's no need to copy the entire parameter file; only specific configurations, such as the SID or file structure, must be adjusted if necessary. Ensuring proper DNS name resolution, SID configurations, parameter settings, and understanding whether to convert the Data Guard are essential. Once these aspects are identified, the deployment process becomes more straightforward. I have implemented numerous Data Guard setups. Setting up Oracle Data Guard is performed within the Oracle CRS. Challenges may arise in establishing connectivity between the standby and production databases, necessitating troubleshooting. Apart from that, once configured within CRS, the setup is complete. The challenge with Oracle Data Guard is that it often takes some time for us to identify whether the issues stem from the disk or the network. If we report issues to the network or storage teams from the database end, we may not perceive any apparent problems, which can lead to confusion. We can convince the storage teams to investigate further until we delve into the disk I/O Guard and determine if specific disks operate at total capacity. When disks are operating at total capacity, it can significantly impact application processes. These difficulties in pinpointing the source of issues contribute to the challenges of maintaining and managing Oracle Data Guard.

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SurjitChoudhury

Data engineer at Cocos pt

Offers seamless integration capabilities and performance optimization features, including extensive indexing and advanced tuning capabilities

We created and constructed the warehouse. We used multiple loading processes like MultiLoad, FastLoad, and Teradata Pump. But those are loading processes, and Teradata is a powerful tool because if we consider older technologies, its architecture with nodes, virtual processes, and nodes is a unique concept. Later, other technologies like Informatica also adopted the concept of nodes from Informatica PowerCenter version 7.x. Previously, it was a client-server architecture, but later, it changed to the nodes concept. Like, we can have the database available 24/7, 365 days. If one node fails, other nodes can take care of it. Informatica adopted all those concepts when it changed its architecture. Even Oracle databases have since adapted their architecture to them. However, this particular Teradata company initially started with its own different type of architecture, which major companies later adopted. It has grown now, but initially, whatever query we sent it would be mapped into a particular component. After that, it goes to the virtual processor and down to the disk, where the actual physical data is loaded. So, in between, there's a map, which acts like a data dictionary. It also holds information about each piece of data, where it's loaded, and on which particular virtual processor or node the data resides. Because Teradata comes with a four-node architecture, or however many nodes we choose, the cost is determined by that initially. So, what type of data does each and every node hold? It's a shared-no architecture. So, whatever task is given to a virtual processor it will be processed. If there's a failure, then it will be taken care of by another virtual processor. Moreover, this solution has impacted the query time and data performance. In Teradata, there's a lot of joining, partitioning, and indexing of records. There are primary and secondary indexes, hash indexing, and other indexing processes. To improve query performance, we first analyze the query and tune it. If a join needs a secondary index, which plays a major role in filtering records, we might reconstruct that particular table with the secondary index. This tuning involves partitioning and indexing. We use these tools and technologies to fine-tune performance. When it comes to integration, tools like Informatica seamlessly connect with Teradata. We ensure the Teradata database is configured correctly in Informatica, including the proper hostname and properties for the load process. We didn't find any major complexity or issues with integration. But, these technologies are quite old now. With newer big data technologies, we've worked with a four-layer architecture, pulling data from Hadoop Lake to Teradata. We configure Teradata with the appropriate hostname and credentials, and use BTEQ queries to load data. Previously, we converted the data warehouse to a CLD model as per Teradata's standardized procedures, moving from an ETL to an EMT process. This allowed us to perform gap analysis on missing entities based on the model and retrieve them from the source system again. We found Teradata integration straightforward and compatible with other tools.

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"One of the most valuable features is real-time replication. The version we're using is reliable and easy to deploy."

"The most valuable features are the backup and restore. With this in place along with the clustering, the database is safe from hacking, hardware failure, power failures, and system crashes."

"Another valuable feature is the possibility of backing up the database from the standby database instead of the primary database, to avoid backup process overhead in the primary system."

"Oracle Data Guard is a free solution. When you apply for Enterprise Manager, it comes for free with the solution."

"With Data Guard, Oracle guarantees zero data loss, providing peace of mind for organizations relying on their data for critical operations."

"It's a very good solution if you want to protect your data across two data centers, or you have a middle man or many administrators who use these solutions for protecting their data. It's very reliable compared to other solutions that are most often not storage-based."

"The most important feature is that if I want to test the database at the disaster recovery site, I can take a snapshot, test it, and then revert it back to the original state without needing to restore the complete database from the primary data center to the disaster recovery."

"The most valuable feature is the flashback standby, which allows us to test without scrapping the database."

More Oracle Data Guard pros

"The ability to handle machine data parallel processing is the most valuable feature of Teradata."

"Things have started moving faster in my company, such as data retrieval happens more quickly."

"The two types of partitioning have been very significant for us - row and columnar partitioning."

"The product is reliable."

"I found all parts --loading, transformation, processing & querying work in parallel, and end-to-end-- to be valuable."

"I like this solution's ease of design and the fact that its performance is quite good. It is stable as well."

"It handles large amounts of information with a linear performance increase, in relation to a HW investment."

"The most valuable feature of Teradata is the quick processing of large data."

More Teradata pros

Cons

"The implementation is complex for anyone who's jumping into it without any experience. It's all command-line driven implementations. For some, that's a turn-off."

"Oracle could be improved by the ability to manage it on the cloud. This on-premises version is secure and reliable, but I'm sure that they will soon provide a cloud solution that will be even better. In one to two years, we will probably move to the cloud—we have already moved to the cloud with Microsoft Exchange, but our databases are still on-premises. I would prefer managing a cloud version of Oracle."

"The predominant issue lies in the communication link between the secondary and primary databases."

"It is a very useful administrative IT tool. It saves on costs."

"It is a rather complex solution, so it could be more user-friendly."

"For Italian medium-sized companies, the main challenge lies in the cost associated with licenses."

"Oracle Data Guard is stable, but you need to keep monitoring the system all the time. You need to keep monitoring the archives."

"When the data replicates into the standby database there is a possibility of having a microsecond amount of data loss. The data loss occurs when there is a network disconnection between the primary and secondary standby database located in the data centers or if there is a crash in the primary database."

More Oracle Data Guard cons

"The initial setup was complex as we had to rewrite a lot of the code."

"Stability-wise, we have had some issues with automation and the ability to handle large datasets."

"If I want to implement an upgrade, I'd like to see how it will be different. Ideally, Data Lab should help me test production items and also do future things. Future releases should be downloadable and testable in Data Lab."

"The solution could improve by having a cloud version or a cloud component. We have to use other solutions, such as Amazon AWS, Microsoft Azure, or Snowflake for the cloud."

"It's primarily designed for big projects and therefore, the pricing is pretty high. It's not suitable for smaller companies."

"The solution is stable. However, there are times when we are using large amounts of data and we can see some latency issues."

"Teradata is an expensive tool. Like, if you're already using Microsoft products like Windows, they'll market all their products together. And with the rise of cloud technologies, companies will adopt solutions that offer them some privileges or facilities. Similar to how SAP does it in the market, so do Microsoft and other companies. Even Oracle and other such tools are quite commonly seen compared to Teradata's competitors in everyday solutions."

"The SQL Assistant is very basic. This tool can be improved for usability."

More Teradata cons

Pricing and Cost Advice

"The cost is expensive."

"It is not a cheap product, but if you look at the price, features, availability, scalability, and maturity, it is a very good product."

"If you want to have everything automated and done smoothly, you have to add additional licenses."

"This is the best solution if you want something similar that's less expensive than Oracle Grid."

"Oracle Data Guard is a feature available only in Oracle Database Enterprise Edition, and is available for extra cost."

"The cost of the Oracle license will depend on the negotiations with Oracle."

"It's a cost-effective solution."

"The pricing is on the higher side."

More Oracle Data Guard pricing and cost advice

"The tool costs about 30,000 euros a month, while Azure Synapse SQL only costs 10,000."

"The product cost is high for what the client gets. There may be more cost-effective solutions for small and medium-sized organizations."

"We had a lot of parties involved when purchasing from the AWS Marketplace. They are very flexible and aggressive in trying to close the deal. They are good at what they have to offer and listening to the customer. It's a two-way street."

"I am using the free version of Teradata."

"I rate the product price a nine on a scale of one to ten, where one is cheap and ten is expensive."

"The price of the solution could be reduced, it is expensive."

"The cost of running Teradata is quite high, but you get a good return on investment."

"In the past, it turned out that other solutions, in order to provide the full range of abilities that the Teradata platform provides plus the migration costs, would end up costing more than Teradata does."

More Teradata pricing and cost advice

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Comparison Review

it_user232068

Senior Data Architect at a pharma/biotech company with 1,001-5,000 employees

Aug 5, 2015

Netezza vs. Teradata

Original published at https://www.linkedin.com/pulse/should-i-choose-net Two leading Massively Parallel Processing (MPP) architectures for Data Warehousing (DW) are IBM PureData System for Analytics (formerly Netezza) and Teradata. I thought talking about the similarities and differences…

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Top Industries

By visitors reading reviews

Financial Services Firm

21%

Computer Software Company

12%

Manufacturing Company

10%

Government

Financial Services Firm

26%

Computer Software Company

11%

Healthcare Company

Manufacturing Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

Questions from the Community

What advice do you have for others considering Oracle Data Guard?

Ik fluister:VM Host Oracle en DataGuard hebben we per toeval vervangen door Zerto :-) tijdens de Zerto implementatie en VPG werden de Host Data in write-ack Block-Level gerepliceerd. Qua licentie 1...

What advice do you have for others considering Oracle Data Guard?

It is a very useful administrative IT tool. It saves on costs. I strongly recommend Data Guard. I've been using it for eight years and I would strongly recommend it. I'd rate Oracle Data Guard a se...

What advice do you have for others considering Oracle Data Guard?

We're Oracle partners. We've worked with databases 11G and 12C. If a company is planning to implement Oracle solutions, I would suggest they also implement Data Guard. I'd rate the solution nine ou...

Comparing Teradata and Oracle Database, which product do you think is better and why?

I have spoken to my colleagues about this comparison and in our collective opinion, the reason why some people may declare Teradata better than Oracle is the pricing. Both solutions are quite simi...

Which companies use Teradata and who is it most suitable for?

Before my organization implemented this solution, we researched which big brands were using Teradata, so we knew if it would be compatible with our field. According to the product's site, the comp...

Is Teradata a difficult solution to work with?

Teradata is not a difficult product to work with, especially since they offer you technical support at all levels if you just ask. There are some features that may cause difficulties - for example,...

Veeam Data Platform vs Oracle Data Guard

Comparisons

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Compared 14% of the time

AWS Elastic Disaster Recovery vs Oracle Data Guard

Compared 13% of the time

Veritas NetBackup vs Oracle Data Guard

Compared 9% of the time

Dell NetWorker vs Oracle Data Guard

Compared 9% of the time

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Oracle Exadata vs Teradata

Compared 13% of the time

SQL Server vs Teradata

Compared 10% of the time

Snowflake vs Teradata

Compared 7% of the time

IBM Db2 Database vs Teradata

Compared 6% of the time

MySQL vs Teradata

Compared 6% of the time

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Product Reports

Oracle Data Guard

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Also Known As

Active Data Guard

IntelliFlex, Aster Data Map Reduce, , QueryGrid, Customer Interaction Manager, Digital Marketing Center, Data Mover, Data Stream Architecture

Overview

Oracle Data Guard ensures high availability, data protection, and disaster recovery for enterprise data. Data Guard provides a comprehensive set of services that create, maintain, manage, and monitor one or more standby databases to enable production Oracle databases to survive disasters and data corruptions. Data Guard can be used with traditional backup, restoration, and cluster techniques to provide a high level of data protection and data availability.

Oracle

Teradata is a scalable data analytics platform designed to meet enterprise demands for large-scale data management and processing, focusing on performance, scalability, and security for complex query executions.

As a leading data warehousing solution, Teradata integrates advanced analytics enabling organizations to derive insights from massive datasets. It supports high-volume data workloads with its architecture optimized for analytical queries. Users benefit from its robust scalability, allowing seamless expansion as data grows. Teradata's SQL engine is compatible with a wide range of data types, ensuring flexibility in data analysis. With advanced security measures, it protects sensitive data across various environments, providing peace of mind to users handling critical information.

What are the most important features of Teradata?

Linear Scalability: Easily expands data processing capabilities to handle increasing data loads without performance degradation.
Advanced Analytics: Supports complex analytical operations integrating machine learning and AI for predictive insights.
SQL Compatibility: Offers a comprehensive SQL interface that supports complex queries across diverse data types.
Data Security: Implements rigorous security protocols to protect data integrity and confidentiality.

What benefits and ROI should users look for?

Improved Decision-Making: Derive actionable insights quickly for strategic business decisions.
Cost Efficiency: Optimized resource usage reduces operational costs associated with data processing.
Increased Productivity: Streamlined data operations save time, allowing teams to focus on analysis.
Enhanced Scalability: Seamless growth without significant additional investment as data volumes increase.

Teradata is widely used in industries like finance, telecommunications, and healthcare, where data-driven decisions are critical. Companies leverage its robust analytics capabilities to enhance customer experiences, streamline operations, and ensure compliance with regulatory requirements. In these sectors, quick access to data insights can significantly impact competitive advantage.

Sample Customers

Athenahealth, Discover Financial Services

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Oracle Data Guard vs. Teradata