Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Unified SQL Syntax
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Trino
Trino is a distributed SQL query engine for big data. It is formerly known as PrestoSQL.
ZetaSQL
ZetaSQL is a customized SQL dialect, along with parser and analyzer, that Google …
SQL Database Client-server Protocols
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
-
Apache Arrow Flight is the future protocol for querying Databases! It use columnar data and leverages Apache Arrow to avoid unnecessary copy of data, which makes it able to query large …
Tips on Apache Arrow Flight SQL
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Apache Arrow & JDBC
Xoriant Open Source Contribution to Apache Arrow – JDBC Adapter
References
Use TableSample in SQL
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
The limit clause (or the method DataFrame.limit if you are using Spark)
is a better alternative if randomness is not critical.
PostgreSQL
SELECT id from table TABLESAMPLE BERNOULLI(10) WHERE …SQL Equivalent
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
SQL translation is a great tool that transalte any SQL statement(s) to a different dialetc using the JOOQ Parser.
| SQL Variant | Code | |
|---|---|---|
| List databases [1 … |