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ISO 20022 a international standard for communication in financial systems. widely adopted by fin...

To apply the Inheritance Pattern to documents in a collection, you can use the aggregation framew...

Schema migration is transition from one schema to the next Migration Strategies: Eager: all at o...

In this example, we implemented the updated reviews schema to include an optional locale field, i...

To create a new "sales" collection schema validation, we use the createCollection method with the...

Unbounded Arrays an array without a size limit used subset pattern or extended reference pattern...

Move data no longer needed to a different place so performance is not dragged. archive book revi...

add a schema_version field to the document To Handle multiple versions: application handles bo...

Joins are expensive so store some must have data into the child to avoid joins. This creates dat...

When data is changing constantly, and exact statistic is not critical, we can use approximations ...

Use Case: running a function frequently degrade performance, for example: calculate the average ...

used when some documents are different and needs a different method to interact. example: most of...

The bucket pattern: groups pieces of information into buckets keep documents size predictable re...

a book have N reviews only embed 3 reviews to the book Code Summary: Subset Pattern To apply th...

The single collection pattern groups related documents of different types into a single collectio...

Goroutines are not threads The Go runtime efficiently manages a pool of OS threads to execute m...

Universals # the cheat sheet $ gcloud cheat-sheet # initialize gcloud $ gcloud init # ge...

What does SQL Proxy provide? a secure way to access Cloud SQL instances without having to allowl...