Walking with the Elephants

When implementing an optimization for derived clause lookup myself, Amit Langote and David Rowley argued about the initial size of hash tabl...

Logical replication is a versatile feature offered in PostgreSQL. I have discussed the the theoretical background of this feature in detail ...

While working on SQL/PGQ patch  I wanted to find an equality operator for given left and right argument types to construct a condition to ma...

The story goes almost two decades back. I was studying computer engineering in College of Engineering Pune. Prof Vinayak Joshi  had recently...

A property graph consists of three types of "things" in it: elements, labels and properties.  Elements are nodes or edges in the g...

There's a thread on hackers about recovering memory consumed by paths. A reference count is maintained in each path. Once paths are cre...

For those who have studied ERD-lore, it's not new that a relational database is very much like a graph. But it has taken SQL, more than ...