Categories / sql
Extracting and Replacing Contact Numbers in SparkSQL Using Regular Expressions
How to Filter Data Using SQL Date Ranges in SQL Server 2014
Updating PostgreSQL Table IDs Using Grouping: A Comparative Analysis of Subqueries, Aggregations, and Ranking Functions
Understanding Impala's Limitations with the `split_part` Function: Avoiding Negative Indexing Mistakes
Understanding Oracle's Aggregate Function Ordering Behavior: When Average Goes Wrong with Group By Clauses
Converting Common Format SQL to MyBatis Supporting Format for Safe Execution
Automating Spreadsheet Cell Copying: A Step-by-Step Guide Using Google Sheets Formulas and Conditional Formatting
Running Ledger Balance by Date: SQL Query with Running Sum of Credits and Debits
Using Outer Grouping Result with 'IN' Operator in PostgreSQL: Workarounds and Best Practices for Subqueries.
Joining Tables Based on Values in a PostgreSQL hstore Result