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All Content tagged with Amazon Quantum Ledger Database
Amazon Quantum Ledger Database (QLDB) is a fully managed ledger database that provides a transparent, immutable, and cryptographically verifiable transaction log.
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I am planning to use QLDB as registries of data integrity and verifiability.
If I have 1 journal, and I am planning to use the journal for different groups, in which each group has its members.
Let ...
I've created an [issue (#216)](https://github.com/awslabs/amazon-qldb-driver-java/issues/216) on the GitHub repository requesting an update to its AWS SDK dependencies, however, it seems like it hasn'...
When I run an `UPDATE-SET` statement against one of my documents in QLDB using this statement:
```sql
UPDATE Documents SET author = 'jkrowling', channel = 'dstv' WHERE docIdExt = 'newDocId'
```
The ...
The integer type in QLDB is defined as...
https://docs.aws.amazon.com/qldb/latest/developerguide/ql-reference.data-types.html
int Signed integers of arbitrary size
....arbitrary size....but running...
I am commiting several updates to several documents within one transaction. I use the transaction id to the request those documents which have been updated.
If I commit an update with 3 changes to a...
We have a table T with two indexed fields A and B. When we query the table using the following query, QLDB does a full table scan (by evidence of the IO stats and latency):
```
select * from T where ...
So considering this post https://aws.amazon.com/blogs/industries/building-a-core-banking-system-with-amazon-quantum-ledger-database/
- We are processing a realtime transaction (means that user swiped...
We are trying to create new ledgers in QLDB (Quantum Ledger Database) from a lambda within a vpc without internet access however the request is bouncing due to there not being a VPC endpoint for the m...
Hello,
I'm trying perform connect to `AWS QLDB` using Django project
However, I get an issue, once I add the following code
`from pyqldb.driver.qldb_driver import QldbDriver`
I get the issue
` Im...
Hello,
Currently, I'm trying to build the finance/trading system based on QLDB.
I want to go deeper into this topic.
May I ask you if you have some AWS books/guides/courses/best practices (if I can...
Dear Experts,
Our use of the QLDN is programmatic via API endpoints, all CRUD Operations are done via the deployed API endpoint.
Please we have a situation where we believe adding more fields in the ...
I created a QLDB stream with console
But the record data contains unreadable characters
And it doesn't look like it is in JSON format
![Unreadable records](/media/postImages/original/IMi7qOHjsZSku-...