Cloud Team

DynamoDB PartiQL – part II: SELECT

By Franck Pachot . In the previous post I insertd a few rows in a Demo table using the SQL-like new API on DynamoDB. I checked my items with a SELECT but was limited in(…)

DynamoDB PartiQL – part I: INSERT

By Franck Pachot . This sounds paradoxical to execute SQL statements on a NoSQL database, but we have now a new API to interact with DynamoDB, which looks like SQL. AWS data services is a collection of purpose-built database(…)

AWS burstable EC2 and CloudWatch metrics

By Franck Pachot . Your application workload is usually not constant and maybe not predictable. If you undersize the capacity, you will save money but in case of peak of activity you will have severe performance issues. Thus, you(…)

Amazon Aurora Serverless (PostgreSQL compatibility)

By Franck Pachot . I’ve written a blog post about serverless databases and here is an example of Amazon RDS Aurora PostgreSQL in serverless mode: When I’ve created the instance (15:55 –(…)

Amazon or AWS services?

By Franck Pachot . When I'm writing about a product I like to be precise about the name, the upper and lower case, and even more: do you know that was taking special care of writing Oracle 12cR2 before then(…)

Amazon DynamoDB: a r(el)ational Glossary

By Franck Pachot . There are many NoSQL databases. And, because SQL is an ISO standard, “No SQL” also means “No Standard”. Many have a similar API and similar objects, but with completely different names. Today, NoSQL databases are(…)

Data virtualization on SQL Server with Redgate SQL Clone

By Franck Pachot . In the previous blog post I’ve installed SQL Server on the Oracle Cloud. My goal was actually to have a look at Redgate SQL Clone, a product(…)

Amazon DynamoDB: the cost of indexes

By Franck Pachot . That’s common to any data structure, whether it is RDBMS or NoSQL, indexes are good to accelerate reads but slow the writes. This post explains the consequences of adding indexes in DynamoDB. Secondary Indexes What(…)

Amazon DynamoDB Local: running NoSQL on SQLite

By Franck Pachot . DynamoDB is a cloud-native, managed, key-value proprietary database designed by AWS to handle massive throughput for large volume and high concurrency with a simple API. simple API: Get, Put, Query, Scan on a table without(…)

RDBMS (vs. NoSQL) scales the algorithm before the hardware

By Franck Pachot . In The myth of NoSQL (vs. RDBMS) “joins dont scale” I explained that joins actually scale very well with an O(logN) on the input tables size, thanks to B*Tree index access,(…)