Database Security Assessment Tool (DBSAT) hands-on Posted on July 31, 2023, updated on August 2, 2023 by Yannick JaquierTable of contents Preamble DBSAT running DBSAT reporting DBSAT result References Continue reading
dbx for local and rapid development lifecycle through Databricks Posted on July 10, 2023, updated on July 10, 2023 by Yannick JaquierTable of contents Preamble Not able to access DBFS files under Databricks Connect Creation of the DBR 12.2 Conda environment DBX installation and configuration Databricks CLI installation Databricks CLI profile configuration DBX installation DBX configuration DBX execution Resolve unicode error and add icons to Git Bash DBX execution of a more complex example Synchronize your local code with Databricks References Continue reading
Edition-Based Redefinition (EBR) for online application migration Posted on June 20, 2023, updated on June 20, 2023 by Yannick JaquierTable of contents Preamble Edition-Based Redefinition (EBR) and DBMS_REDEFINITION test case Edition-Based Redefinition (EBR) testing Application preparation for EBR Creating the new edition and new edition objects Testing the new edition and crossedition triggers Using service to point to desired edition DBMS_REDEFINITION for online table redefinition References Continue reading
Data skipping and row group skipping in action with delta tables Posted on June 1, 2023, updated on June 1, 2023 by Yannick JaquierTable of contents Preamble Data skipping test case Data skipping and row chunk skipping testing References Continue reading
How to online refresh BI tables with minimum impact to end users Posted on May 10, 2023, updated on May 10, 2023 by Yannick JaquierTable of contents Preamble Preparation of the test environment The old legacy technique The alter table switch technique The view technique The synonym technique The schema transfer technique Conclusion References Continue reading
Polymorphic Table Functions (PTF) hands-on Posted on April 20, 2023, updated on April 20, 2023 by Yannick JaquierTable of contents Preamble Polymorphic Table Functions (PTF) basic example Polymorphic Table Functions (PTF) manipulating output Polymorphic Table Functions (PTF) debugging References Continue reading