中关村在线

SQL Server中Substring用法

安装完SQL Server应用程序后，用户需首先创建数据库。数据库是按特定方式组织、可供多个用户共享、冗余度较低的数据集合。在SQL Server中，可利用Substring函数提取字符串的指定部分。该函数 ...
GitHub

substring-transact-sql.md

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Microsoft

SQL Server 2016 end of support is here: Plan your next steps

As of today, July 14, 2026, SQL Server 2016 has reached end of support. For the past decade, SQL Server 2016 has helped organizations run mission-critical applications and support the data needs of ...
blog.csdn

手把手教你用SQLite的SUBSTR和INSTR函数替换LEFT，搞定字符串分类查询

在数据分析或报表生成任务中，经常需要根据字符串前缀对数据进行分类打标。比如支付记录中的商户名需要按平台分类（美团、京东、淘宝等），许多开发者会习惯性使用LEFT函数，却在SQLite中 ...
bilibili

SQL 字符串裁剪神器：SUBSTRING() 3分钟教你提取关键数据！

简介： 数据库里一堆长字符串，只想取中间的身份证号、手机号或日期怎么办？ 别再手动导 Excel 了，一个 SUBSTRING() 函数全搞定！ 本集重点： 三个参数：str（目标）、pos（从哪开始）、len ...
InfoQ

AWS Enables Lambda Function Triggers from RDS for SQL Server Database Events

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Lily Mara explains how to avoid high-risk ...
Android Authority

I saved $100s building my own NAS home server

Self-hosting your data and services with Network Attached Storage (NAS) is a great way to free yourself from the spiraling costs and tangled web of subscription fees. Whether you’re simply looking to ...
cloud

SQL reimagined: How pipe syntax is powering real-world use cases

SQL has been the cornerstone of data management for over 50 years, valued for its declarative nature and robust ecosystem. However, traditional SQL has limitations, including rigid clause structures, ...
GitHub

From SQL to SPL：Substring from a column of strings

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