Categories / sql
Extracting Specific Substrings from IDs in BigQuery Using SUBSTR Function
Finding the Data Corresponding to the Last Date for Every Category in Rails: A Comparative Analysis of Query Techniques and Approaches
Using SUM and CASE Functions for Conditional Logic in Snowflake SQL: A Powerful Approach to Data Analysis
Selecting Last Exchange Value for Each Currency Using SQL Window Functions
Mastering dbt Pivoting: A Step-by-Step Guide to Transforming Your Data
Retrieving the Maximum Change Date for Multiple IDs Using Different Tables: Two Effective Methods
Solving Many-to-Many Relationships in SQL: A Union-Based Approach
Understanding the Error: PLS-00103 - A SQL*Plus Tutorial for Beginners
Understanding Delimited Data in Oracle SQL with Regular Expressions
Calculating Percentages within a Group by Year Using SQL: A Real-World Example