Using SQL Server's PIVOT Statement to Handle Zero Values in Count() Functions

Counting Frequency of Specific Positive/Negative Words from a List in a .csv File with Text and Date Values in R

Writing Per-Variable Counts with Data.tables in R: Efficient CSV File Output Using l_ply Function

Displaying Active Offers by Day of the Year: A Deep Dive into SQLite Queries for Loan Offers

Optimizing Contact Center Data Processing with Vectorized R Operations

Counting Events Where a User is Not Present: A MySQL Query Problem

Counting Distinct Units with Condition Based on Different Column in SQL

Understanding Oracle SQL Count and Group by Multiple Fields

Counting Cars Rented Per Month in PostgreSQL

Creating Views to Compare Different Rows in SQL: A Powerful Tool for Data Analysis