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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    IBM Z

    Score9.4 out of 10
    N/AIBM Z is the company's mainframe enterprise server solution product line.N/A

    PostgreSQL

    Score8.8 out of 10
    N/APostgreSQL (alternately Postgres) is a free and open source object-relational database system boasting over 30 years of active development, reliability, feature robustness, and performance. It supports SQL and is designed to support various workloads flexibly.N/A
    Pricing
    IBM ZPostgreSQL
    Editions & Modules
    No answers on this topic
    No answers on this topic
    Offerings
    Pricing Offerings
    IBM ZPostgreSQL
    Free Trial
    NoNo
    Free/Freemium Version
    NoNo
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeOptionalNo setup fee
    Additional Details——
    More Pricing Information
    Community Pulse
    IBM ZPostgreSQL
    Considered Both Products
    IBM
    No answer on this topic
    PostgreSQL Global Development Group
    No answer on this topic
    Key User Insights
    Would buy again
    100%
    Would buy again
    19 Answers
    100%
    Would buy again
    32 Answers
    Delivers good value for the price
    94%
    Delivers good value for the price
    15 Answers
    100%
    Delivers good value for the price
    32 Answers
    Happy with the feature set
    95%
    Happy with the feature set
    18 Answers
    100%
    Happy with the feature set
    32 Answers
    Lived up to sales and marketing promises
    87%
    Lived up to sales and marketing promises
    13 Answers
    100%
    Lived up to sales and marketing promises
    25 Answers
    Implementation went as expected
    100%
    Implementation went as expected
    18 Answers
    100%
    Implementation went as expected
    31 Answers
    Best Alternatives
    IBM ZPostgreSQL
    Small Businesses
    Dell PowerEdge
    Score7.6 out of 10
    MariaDB Platform
    Score9.1 out of 10
    Medium-sized Companies
    Dell PowerEdge
    Score7.6 out of 10
    MySQL
    Score8.4 out of 10
    Enterprises
    IBM Power
    Score9 out of 10
    SQLite
    Score8 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    IBM ZPostgreSQL
    Likelihood to Recommend
    9.6
    (42 ratings)
    8.3
    (56 ratings)
    Likelihood to Renew
    10.0
    (3 ratings)
    9.0
    (1 ratings)
    Usability
    4.0
    (2 ratings)
    8.3
    (9 ratings)
    Availability
    10.0
    (1 ratings)
    9.0
    (1 ratings)
    Performance
    10.0
    (1 ratings)
    7.0
    (1 ratings)
    Support Rating
    9.9
    (3 ratings)
    9.3
    (7 ratings)
    In-Person Training
    9.0
    (1 ratings)
    -
    (0 ratings)
    Online Training
    8.0
    (1 ratings)
    -
    (0 ratings)
    Implementation Rating
    8.0
    (2 ratings)
    9.0
    (1 ratings)
    Configurability
    9.0
    (1 ratings)
    -
    (0 ratings)
    Ease of integration
    9.0
    (1 ratings)
    -
    (0 ratings)
    Product Scalability
    10.0
    (1 ratings)
    8.0
    (1 ratings)
    Professional Services
    9.0
    (1 ratings)
    -
    (0 ratings)
    Vendor post-sale
    9.0
    (1 ratings)
    -
    (0 ratings)
    Vendor pre-sale
    8.0
    (1 ratings)
    -
    (0 ratings)
    User Testimonials
    IBM ZPostgreSQL
    Likelihood to Recommend
    IBM
    Most of the time, server utilization is reliable and stable during peak times. Truly amazing, this product offers a lot and gets it done in no time without any confusion.It is reliable, too accurate and the performance is top-notch. It seems to be competitive in all virtual energy systems and its connectivity is also good. It's available at a low cost, but it's enough to have as many low-cost, more efficient systems as possible. It's a minor thing, but very rarely, it can cause work interruptions while it can get stuck due to more frequent use such as restless work. These power servers are very efficient and really help when things go wrong. I am using this product to retrieve data much faster.
    Read full review
    PostgreSQL Global Development Group
    PostgreSQL is best used for structured data, and best when following relational database design principles. I would not use PostgreSQL for large unstructured data such as video, images, sound files, xml documents, web-pages, especially if these files have their own highly variable, internal structure.
    Incentivized
    Read full review
    Pros
    IBM
    • Virtualization for Scale-Out and Scale-Up in the same footprint
    • Security for different workloads: Large Confidential Computing and lightweight Secure Execution
    • Performance is a true game changer: extreme throughput powered by amazingly huge caches.
    • The one and only FIPS 140-2 Level 4 HSM on this planet
    • Quantum Safe Encryption NOW!
    • AI infusion to every transaction
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    • It works well with external data sources and runs on platforms with stable performance.
    • Clients can rest assured that their personal information will be safe and secure.
    • Many forums discuss setup and usage, and most are free.
    • Adding tooling applications to a computer is unlimited.
    • PostgreSQL runs on many OS platforms and supports ANSI SQL, stored procedures, and triggers.
    Read full review
    Cons
    IBM
    • It would be good if IBM could demonstrate more use cases for Z to potential clients
    • A migration strategy from Open Systems to Z would be helpful
    • Any additional marketing to could explain the benefits of Z/Linux, especially now that RedHat is in the mix.
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    • Clearer indications on what is the query plan, to optimize the query
    • More out of the box, Postgres specific, SQL functions
    • It would be nice to have a more visual aid of the relationship between all tables, but possibly this depend more on the UI used
    Incentivized
    Read full review
    Likelihood to Renew
    IBM
    The IBM Z mainframe capabilities are unmatched for cloud readiness and optimization the learning capabilities are matched perfectly with Watson and the expandability of the cloud makes it a perfect choice.
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    As a needed software for day to day development activities
    Incentivized
    Read full review
    Usability
    IBM
    Once you learn how, it easy. It's different than most other systems
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    Postgresql is the best tool out there for relational data so I have to give it a high rating when it comes to analytics, data availability and consistency, so on and so forth. SQL is also a relatively consistent language so when it comes to building new tables and loading data in from the OLTP database, there are enough tools where we can perform ETL on a scalable basis.
    Incentivized
    Read full review
    Reliability and Availability
    IBM
    The Z in IBM Z is for zero down time. If you configure your system according to IBM's best practices, you can achieve zero downtime
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    PostgreSQL's availability is top notch. Apart from connection time-out for an idle user, the database is super reliable.
    Incentivized
    Read full review
    Performance
    IBM
    Performance is a major part when you configure your system. IBM has many tools to study your system and suggest the appropriate configuration. With the right contract, you can add processing power dynamically and remove it when no longer needed
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    The data queries are relatively quick for a small to medium sized table. With complex joins, and a wide and deep table however, the performance of the query has room for improvement.
    Incentivized
    Read full review
    Support Rating
    IBM
    Support is usually superb, only occasionally dropping to very good. We participate in some of the CD (Continuous Delivery) aspects of z/OS, IMS, MQ, and DB2.
    Incentivized
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    PostgreSQL Global Development Group
    There are several companies that you can contract for technical support, like EnterpriseDB or Percona, both first level in expertise and commitment to the software.
    But we do not have contracts with them, we have done all the way from googling to forums, and never have a problem that we cannot resolve or pass around. And for dozens of projects and more than 15 years now.
    Incentivized
    Read full review
    In-Person Training
    IBM
    Over my 33 years on this platform, I attended many in person courses, conferences, and other training opportunities.
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    No answers on this topic
    Online Training
    IBM
    There are many online courses from both IBM and other vendors. Most are great. All of the documentation is available online.
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    The online training is request based. Had there been recorded videos available online for potential users to benefit from, I could have rated it higher. The online documentation however is very helpful. The online documentation PDF is downloadable and allows users to pace their own learning. With examples and code snippets, the documentation is great starting point.
    Incentivized
    Read full review
    Implementation Rating
    IBM
    I do not personally have any key insights regarding implementation of IBM Z Enterprise Servers as that is what our mainframe architects do.
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    The online documentation of the PostgreSQL product is elaborate and takes users step by step.
    Incentivized
    Read full review
    Alternatives Considered
    IBM
    IBM Z is the best storage solution as it provides the best in class data protection with the cryptographic hardware keys, no loss in data while migration, and a user-friendly interface that makes it easy for develops to understand and has less of a learning curve. This makes it well above the competition.
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    Although the competition between the different databases is increasingly aggressive in the sense that they provide many improvements, new functionalities, compatibility with complementary components or environments, in some cases it requires that it be followed within the same family of applications that performs the company that develops it and that is not all bad, but being able to adapt or configure different programs, applications or other environments developed by third parties apart is what gives PostgreSQL a certain advantage and this diversification in the components that can be joined with it, is the reason why it is a great option to choose.
    Incentivized
    Read full review
    Scalability
    IBM
    If you need more processing power, just add more CPU's or memory. The largest system can have close to 200 CPU's and 40 TB of memory. If that is not enough, you can add more physical computers, and connect them using a sysplex
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    The DB is reliable, scalable, easy to use and resolves most DB needs
    Incentivized
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    Return on Investment
    IBM
    • With IBM Z we really feel a different positive impact on our company. A trustworthy and the most powerful place we have ever.
    • A unique computing platform that helps a lot for the progress of our company.
    • It keeps our data save, encrypted.
    Incentivized
    Read full review
    PostgreSQL Global Development Group
    • Easy to administer so our DevOps team has only ever used minimal time to setup, tune, and maintain.
    • Easy to interface with so our Engineering team has only ever used minimal time to query or modify the database. Getting the data is straightforward, what we do with it is the bigger concern.
    • It's free. You can't beat that.
    Incentivized
    Read full review
    ScreenShots

    IBM Z Screenshots

    Screenshot of IBM z17™ single-frame 

This configuration is optimized for enhanced modularity and is available in a traditional factory-frame setup. It provides advanced capabilities and is ideal for environments requiring a robust and scalable solution within an industry-standard footprint.  

IBM z17™ single-frame 

This configuration is optimized for enhanced modularity and is available in a traditional factory-frame setup. It provides advanced capabilities and is ideal for environments requiring a robust and scalable solution within an industry-standard footprint.Screenshot of IBM z17™ multi-frame 

This configuration is designed for general-purpose use, offering a balance of performance, scalability and security suitable for a wide range of applications.Screenshot of IBM z17™ rack mount 

This rack-mounted configuration allows for installation in existing data center rack infrastructures, providing flexibility and integration with current systems. It combines IBM Z's strengths with the convenience of modern rack-mounted hardware.