1. [Home](https://www.g2.com/) 2. ... 3. [Database as a Service (DBaaS) Providers](https://www.g2.com/categories/database-as-a-service-dbaas) 4. [Amazon Quantum Ledger Database (QLDB) Discussions](https://www.g2.com/products/amazon-quantum-ledger-database-qldb/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_3a7a925cc43d97814fa81ec2d6c06f45/amazon-quantum-ledger-database-qldb.jpeg "Product Avatar Image") ](/products/amazon-quantum-ledger-database-qldb/reviews) [ Amazon Quantum Ledger Database (QLDB) ](/products/amazon-quantum-ledger-database-qldb/reviews) (13)4.0/5 Amazon QLDB is a fully managed ledger database that provides a transparent, immutable, and cryptographically verifiable transaction log, owned by a central trusted authority. Amazon QLDB tracks each and every application data change and maintains a complete and verifiable history of changes over time. Show More * * * ### 25.0 Nps Score Already have Amazon Quantum Ledger Database (QLDB)? ### All Amazon Quantum Ledger Database (QLDB) Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • over 4 years ago More Options - [ # Is it possible to switch to other ledger kind databases from QLDB? If yes can we import the history too? ](/discussions/is-it-possible-to-switch-to-other-ledger-kind-databases-from-qldb-if-yes-can-we-import-the-history-too) Just checking if I wish to migrate to other ledger database what is the complexity of change.. [ QLDB ](https://www.g2.com/tags/qldb)[ alternative ](https://www.g2.com/tags/alternative)[ Database as a Service (DBaaS) Provider ](https://www.g2.com/tags/database-as-a-service-dbaas-provider) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Amazon+Quantum+Ledger+Database+%28QLDB%29+questions+and+get+answers+from+expert+users+in+our+Amazon+Quantum+Ledger+Database+%28QLDB%29+Discussions+section.&title=Amazon+Quantum+Ledger+Database+%28QLDB%29+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Famazon-quantum-ledger-database-qldb%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Amazon+Quantum+Ledger+Database+%28QLDB%29+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Famazon-quantum-ledger-database-qldb%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Famazon-quantum-ledger-database-qldb%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Amazon+Quantum+Ledger+Database+%28QLDB%29+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Famazon-quantum-ledger-database-qldb%2Fdiscuss%0aAsk+Amazon+Quantum+Ledger+Database+%28QLDB%29+questions+and+get+answers+from+expert+users+in+our+Amazon+Quantum+Ledger+Database+%28QLDB%29+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Amazon+Quantum+Ledger+Database+%28QLDB%29+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Famazon-quantum-ledger-database-qldb%2Fdiscuss%0aAsk+Amazon+Quantum+Ledger+Database+%28QLDB%29+questions+and+get+answers+from+expert+users+in+our+Amazon+Quantum+Ledger+Database+%28QLDB%29+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • about 6 years ago More Options - [ # How much does Amazon QLDB availability and cost effective ? ](/discussions/26434-how-much-does-amazon-qldb-availability-and-cost-effective) Availability in different regions of world is a question mark. Second part is how much cost effective software it is? 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[![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Amazon+Quantum+Ledger+Database+%28QLDB%29+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Famazon-quantum-ledger-database-qldb%2Fdiscuss%0aAsk+Amazon+Quantum+Ledger+Database+%28QLDB%29+questions+and+get+answers+from+expert+users+in+our+Amazon+Quantum+Ledger+Database+%28QLDB%29+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • about 6 years ago More Options - [ # I want to know that if you shall add SPSS touch in the software it will make it more perfect. Is it possible to do it? ](/discussions/26387-i-want-to-know-that-if-you-shall-add-spss-touch-in-the-software-it-will-make-it-more-perfect-is-it-possible-to-do-it) SPSS software is nowadays much reliable and the best software used in each industry. If its added some features in the system then it's quite amazing. 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Get answers from real users and experts [Start A Discussion](/products/amazon-quantum-ledger-database-qldb/discussions/new) * * * ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_3a7a925cc43d97814fa81ec2d6c06f45/amazon-quantum-ledger-database-qldb.jpeg "Product Avatar Image") ### Have you used Amazon Quantum Ledger Database (QLDB) before? Answer a few questions to help the Amazon Quantum Ledger Database (QLDB) community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/authorize?form=signup&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Famazon-quantum-ledger-database-qldb%2Fdiscuss%3Fsmall_ask%3Damazon-quantum-ledger-database-qldb) No