Mastering Group By in SQL: A Practical Guide to Complex Data Analysis

How to Write a SQL Query to Retrieve the First Artist Whose Death Date is After Louis Armstrong's Death Date Without Using LIMIT

Identifying Records after n Days Recursively in BigQuery Using LAG, TIMESTAMPDIFF, and Case Expressions

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Understanding How to Extract First Valid Dates from Your Database Using SQL Queries

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Working with PL/SQL in Zabbix using ODBC and Anonymous Blocks: A Practical Approach to Returning Values without dbms_output

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Understanding How to Handle Duplicate Rows in SQL Using Two Values

Extracting Values from Non-Monotonic Changes in Time Series Data: A Solution Using Window Functions and Date Arithmetic