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Oracle Data Guard pros and cons

Vendor: Oracle

4.2 out of 5

32 reviews
94% willing to recommend

Pros & Cons summary

Oracle Data Guard enhances high availability and data protection by allowing standby databases to seamlessly take over if the primary database fails. It minimizes performance impacts with backup from standby and supports real-time replication across data centers. Despite challenges like licensing fees, network disconnection risks, and implementation complexity, Oracle Data Guard offers zero data loss and robust failover, making it suitable for critical operations, though costly and requiring constant monitoring.

Buyer's Guide

Get pricing advice, tips, use cases and valuable features from real users of this product.

Prominent pros & cons

PROS

Oracle Data Guard provides high availability and data protection by allowing a standby database to take over seamlessly if the primary database becomes inaccessible.

Backing up directly from the standby database minimizes performance impact on the primary system.

Scalability and the ability to seamlessly replicate across data centers make Oracle Data Guard a valuable option for data protection and high availability.

Real-time replication and snapshot features enhance testing capabilities without affecting the primary database.

Oracle Data Guard ensures zero data loss and provides robust failover capabilities, offering reliability and peace of mind for critical operations.

CONS

Oracle Data Guard requires constant system monitoring, particularly of the archives, to ensure stability.

The licensing fees for each standby server can become a financial burden.

Network disconnections can result in a microsecond of data loss when replicating data to the standby database.

The complexity of implementation and command-line driven processes make Oracle Data Guard challenging without prior experience.

The pricing and licensing costs are high, making Oracle Data Guard expensive to deploy and maintain.

Oracle Data Guard Pros review quotes

Business Analyst at a tech company with 1,001-5,000 employees

May 25, 2016

I think for our company, the way we use it, we are very happy with it and the end customer is very happy with it.

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Manager Database Administration at a financial services firm with 5,001-10,000 employees

Jul 4, 2016

Active Data Guard has helped us a lot in achieving the real time reporting by offloading our heavy reports from Production to Standby database.

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Director of Technical Operations - Storage, Databases & Business Intelligence at a transportation company with 10,001+ employees

Sep 19, 2016

This is one of the most stable products to support critical DR sites.

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Oracle Data Guard

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Learn what your peers think about Oracle Data Guard. Get advice and tips from experienced pros sharing their opinions. Updated: April 2026.

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Oracle DBA at a transportation company with 1,001-5,000 employees

Sep 21, 2016

Provides an active data guard.

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Tech Lead Oracle DBA / SME

Aug 16, 2017

The Active Data Guard and Fast-Start Failover features are excellent.

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RN

CEO at Tecnix Solutions

Jan 4, 2018

If you have a problem with your primary site and can't access your primary database, you can continue working with the database that you have as standby on the other site, by changing its role to primary.

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OM

Cloud Expert | DevOps | Oracle Consultant at confidential

Jun 6, 2019

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

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Oracle DBA Customer Capacity Leader at a tech services company with 10,001+ employees

Jul 29, 2019

We chose this solution for the availability of the databases. We can't afford Oracle Grid, this is the best solution if you want something similar that's less expensive.

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Computer Engineer at Nestle

Jul 30, 2019

Technical support is very good. If at any time we write a ticket, we get the appropriate answer on time.

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Intersystem Manager at Interplast

Aug 22, 2019

The solution is really very stable. One good thing about it, compared to other products, is that you can just run it and forget about it. Unless you come across some interruptions in the network, it works like a charm.

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Oracle Data Guard Cons review quotes

Business Analyst at a tech company with 1,001-5,000 employees

May 25, 2016

When you open up SR Oracle has a list of things which they ask for. Being an end customer, when we open SR, we give as much information as we want and again the support person comes into the picture, and without reading what we have put through, they just ask the same question over and over.

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Manager Database Administration at a financial services firm with 5,001-10,000 employees

Jul 4, 2016

Limited functionality to exclude any schema/table from replication would be helpful.

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Director of Technical Operations - Storage, Databases & Business Intelligence at a transportation company with 10,001+ employees

Sep 19, 2016

We sometimes had scalability issues with read only.

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Oracle Data Guard

Free Report: Oracle Data Guard Reviews and More

Learn what your peers think about Oracle Data Guard. Get advice and tips from experienced pros sharing their opinions. Updated: April 2026.

890,124 professionals have used our research since 2012.

Oracle DBA at a transportation company with 1,001-5,000 employees

Sep 21, 2016

I would like to see better failover.

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Tech Lead Oracle DBA / SME

Aug 16, 2017

Yes, if the underlying network is not stable, then the Data Guard and standby databases will disconnect and not be operational.

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RN

CEO at Tecnix Solutions

Jan 4, 2018

I think it would be great to have a graphical interface assistant (like DBCA, ASMCA, NETCA, etc.) for initial configuration, monitoring, configuring Oracle Data Guard Broker and all the Data Guard Broker commands, without needing Oracle Enterprise Manager Cloud Control installed.

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OM

Cloud Expert | DevOps | Oracle Consultant at confidential

Jun 6, 2019

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

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Oracle DBA Customer Capacity Leader at a tech services company with 10,001+ employees

Jul 29, 2019

For every standby server you have, you must pay a licensing fee, which is the main disadvantage.

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Computer Engineer at Nestle

Jul 30, 2019

The database administration needs improvement. With Oracle, we have a lot of features for administrating data, but it might be too many. It needs to be simplified. It should be automated. Looking at Enterprise Manager, there are too many KPIs in place.

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Intersystem Manager at Interplast

Aug 22, 2019

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.

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Product Categories

Product Categories

Backup and Recovery

Popular Comparisons

Popular Comparisons

Veeam Data Platform vs Oracle Data Guard

Commvault Cloud vs Oracle Data Guard

Rubrik vs Oracle Data Guard

Teradata vs Oracle Data Guard

HPE Zerto Software vs Oracle Data Guard

Acronis Cyber Protect vs Oracle Data Guard

Cohesity DataProtect vs Oracle Data Guard

Dell PowerProtect Data Manager vs Oracle Data Guard

Dell Avamar vs Oracle Data Guard

Veritas NetBackup vs Oracle Data Guard

IBM Storage Protect vs Oracle Data Guard

N-able Cove Data Protection vs Oracle Data Guard

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