HackerNoon

Before an AI Agent Answers Your Revenue Questions, Make It Pass This Exam

Malek Damiri's golden-question exam for AI agents that query revenue data: grade the numbers, not the SQL. Runnable Python ...

Automating Weekly Aggregations with AI SQL for Metrics GA4 Can't Provide | Full GAS Code and Order Unit Price

Have you ever hit a wall like this in GA4's "Explore" reports? You want to list weekly sessions and conversion counts per ...
blog.csdn

SQL Server数据类型选型与避坑：Char/Varchar/Decimal/Float详解

本内容遵循CC 4.0 BY-SA版权协议 本文系统解析SQL Server核心数据类型选型要点，重点对比Char/Varchar的定长与变长存储差异、Unicode ...

Reading Diary #1665 "SQL Antipatterns 2nd Edition: Pitfalls and Solutions in Database Programming"

Reading Notes SQL, a database manipulation language, has pitfalls (antipatterns) hidden behind designs that seem simple at first glance. There are serious bottlenecks and security risks in each proces ...
blog.csdn

Apache Beam Calcite SQL 词法结构完全指南：Token、标识符、字面量与注释语法

Apache Beam Calcite SQL 是 Beam 默认的 SQL 方言，它把一条 SQL 语句解析为一连串的 token（标识符、带引号标识符、字面量、关键字、运算符和特殊字符）。本文以 Beam 官方词法结构参考文档为核心，系统讲解在 Beam 中编写 Calcite SQL 查询时必须遵守的词法规则：标识符命名与反引号转义、各类字面量的书写 ...