Nov 06 2025

今夜有點兒涼 - MySQL 查詢性能較慢，優化思路

當遇到 MySQL 查詢性能較慢 的問題時，優化的思路通常包括以下幾個步驟。具體的優化方法會依賴於查詢的複雜性、表的結構以及數據量等因素。以下是我通常會遵循的優化思路和具體步驟： 1. 分析查詢執行計劃（EXPLAIN） 在開始優化之前，我會首先使用 EXPLAIN 或 EXPLAIN ANALYZE 來查看查詢的執行計劃。這樣可以清楚地瞭解 MySQL 在執行查詢時使用的索引、連接方式以及是否進

MySQL , 索引 , sql優化 , explain , JAVA

Oct 22 2024

HelpLook - HelpLook聯合MarketUP發佈《2024企業內容營銷實戰》白皮書！(內附下載鏈接)

B2B內容營銷為什麼值得反覆講？ 這是一個技術創新、客户聚焦、迴歸內容的B2B時代，B2B市場源源不斷地誕生新故事，從短視頻到AIGC，從新產品到新技術，內容始終是所有B2B活動的核心，需要更新更深的內容營銷塑造B2B品牌。市場增速放緩、市場內卷之下，內容營銷更是必選項！ MarketUP為什麼持續更新內容營銷白皮書？ 隨着上一版白皮書獲得市場的廣泛好評和積極反饋，MarketUP決定再

白皮書 , 營銷 , 電商 , cms , 知識庫

Oct 29 2010

Speider Schneider - Take The Initiative and Create Your Own Projects

Their parents had hoped for their own children to work there and eventually retire in the same homey place. They were anchored in this town that held no other industries. Like layoffs in a town that

workflow , Business

Apr 09 2010

Robert Bowen - Dealing With Clients Who Refuse To Pay

As a designer, you will eventually have to face a couple of unfortunate truths in your career. Number one: just because you wear a bathrobe for most of your “business” hours does not actually make i

Contracts , Clients , Income , Business

Sep 20 2009

Steven Snell - Showcase of Case Studies in Design Portfolios

In this post we will be featuring more than 30 portfolio sites to show how they are using case studies from their own design projects to communicate with potential clients. Not all of them are refer

Portfolios , Showcases , Inspiration , Web Design

Mar 05 2009

Paul Boag - 10 Things To Consider When Choosing The Perfect CMS

I have written about content management systems before. I have highlighted the their hidden costs, explained the differentiators behind the feature list and even provided advice for CMS users. Howev

cms , coding