There are now a number of pure Java SQL database systems which support being embedded ... and stop the embedded server and load it with test data. Both HSQLDB and Derby have embedded JDBC drivers ...

Pushing business logic into the database: Teams that are accustomed to developing in Java and utilize SQL Server as their data storage back end can now ... code using the sp_execute_external_script ...

Python is the top choice for data science due to its ease and powerful libraries.R and SQL are key for stats, visualization, ...