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Julian Dontcheff's Database Blog

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Julian Dontcheff's Database Blog

05.11.2024

Indexing and partitioning of JSON Collection Tables in Oracle Database 23ai | Julian Dontcheff's Database Blog

In the Oracle Database, a JSON Collection Table is a special table that provides JSON documents in a single JSON-type object column named DATA. JSON Collection Tables stores JSON documents. You can create such a collection by using the CREATE JSON COLLECTION TABLE command.  Each document in a JSON Collection Table must have a document-identifier field, _id, at the top level, whose value…

Julian Dontcheff's Database Blog

14.11.2024

Using the PL/SQL Profiler in the Oracle Autonomous Database | Julian Dontcheff's Database Blog

The PL/SQL (Hierarchical) Profiler has been part of the Oracle database for quite some time but there is very little, close to none, information on how to use it in the Oracle Autonomous Database. This blog post is about how to bypass few hurdles in the Autonomous database for we lack OS access in ADB-S.…

Julian Dontcheff's Database Blog

19.12.2024

Outliers, high-entropy and flex columns in JSON-to-Duality | Julian Dontcheff's Database Blog

Fun fact: by coffee consumption by country in 2024, Finland is #1 in the world. If you are familiar with JSON and still wondering about the meaning of the words in the title, then that's fine - these are relatively new concepts related to arguably the most important feature of Oracle Database 23ai: JSON Relational…

Julian Dontcheff's Database Blog

15.03.2025

MongoDB API: operations and data types supported by Oracle Database | Julian Dontcheff's Database Blog

"With the right set of mind, with the right people, with the right support, things happen." Grigor Dimitrov There is an extensive list of the MongoDB APIs, operations, and data types supported by Oracle Database. The list is not specific to a certain release of MongoDB but to all releases, and is being updated on…

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