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Latest posts
Last updated 14 days ago
Think About SQL MERGE in Terms of a RIGHT JOIN
14 days ago
RIGHT JOIN is an esoteric feature in the SQL language, and hardly...
Resisting the Urge to Document Everything Everywhere
27 days ago
Every product manager knows this situation: This is such a common pattern...
jOOQ 3.20 released with ClickHouse, Databricks, and much more DuckDB support, new modules, Oracle type hierarchies, more spatial support, decfloat and synonym support, hidden columns, Scala 3, Kotlin 2, and much more
about 1 month ago
New dialects: jOOQ 3.20 ships with 2 new experimental dialects: ClickHouse is...
Emulating SQL FILTER with Oracle JSON Aggregate Functions
10 months ago
A cool standard SQL:2003 feature is the aggregate FILTER clause, which is...
Getting Top 1 Values Per Group in Oracle
about 1 year ago
I’ve blogged about generic ways of getting top 1 or top n...
How to Pass a Table Valued Parameter to a T-SQL Function with jOOQ
almost 2 years ago
Microsoft T-SQL supports a language feature called table-valued parameter (TVP), which is...
How to Turn a List of Flat Elements into a Hierarchy in Java, SQL, or jOOQ
about 2 years ago
Occasionally, you want to write a SQL query and fetch a hierarchy...
3.18.0 Release with Support for more Diagnostics, SQL/JSON, Oracle Associative Arrays, Multi dimensional Arrays, R2DBC 1.0
about 2 years ago
DiagnosticsListener improvements A lot of additional diagnostics have been added, including the...
How to use jOOQ’s Converters with UNION Operations
about 2 years ago
jOOQ 3.15 introduced the concept of an ad-hoc converter, a converter that...
How to Write a Derived Table in jOOQ
about 2 years ago
One of the more frequent questions about jOOQ is how to write...
The Performance Impact of SQL’s FILTER Clause
about 2 years ago
I’ve found an interesting question on Twitter, recently. Is there any performance...
Emulating Window Functions in MySQL 5.7
about 2 years ago
One of MySQL 8’s biggest improvements is the support of window functions...