Data engineering references

Practical references for data engineers: SQL function equivalents for warehouse migrations and explanations of common Flink, Spark, Kafka and Hive errors.

• Migration referenceSQL Server, Oracle and Teradata functions and their equivalents in Snowflake, Databricks and BigQuery, with the behavior differences that break migrated queries.
• Error referenceCommon Flink, Spark, Kafka and Hive errors: the exact message, where it comes from in the source, likely causes and how to fix them.

Every entry links to the official documentation or source code it is based on, with the date it was last checked.