This badge earner has gained skills to manage and interact with Db2 databases using SQL dialects. They have explored query performance optimization techniques, including indexing strategies, predicate pushdown, and query access plans to improve efficiency. They have also utilized advance SQL functions such as LISTAGG, PERCENTILE_CONT, and PERCENTILE_DISC, as well as the use of subqueries, correlated subqueries, and quantified predicates to enhance data retrieval efficiency in Db2 12.

• Type Learning
• Level Intermediate
• Time Days
• Cost Paid