我们日常使用的数据库主要包括Oracle、MySQL、DB2和SQL Server等。在操作Oracle数据库时，PL/SQL是匹配度最高的工具之一。那么如何利用PL/SQL创建定时任务？接下来将简要介绍通过该工具实现定时器功能的具体步骤与方法。

在12月“DB-Engines关系型数据库排行榜”中，国产数据库TiDB、OceanBase、阿里云PolarDB分列44、52、53位；南大通用GBase数据库在关系型数据库中全球排名第61位，较去年同期（77位）提升16名，排名国产数据库第四名；腾讯TDSQL数据库（77位）和华为OpenGauss数据库（79位）则紧随其后，分别位列国产数据库第五、六名。

在国产数据库迅猛发展的今天，不少开发者和企业开始将目光从 Oracle 转向达梦、OceanBase、TiDB、GaussDB、KINGBASE 等国产替代方案。一时间，“Oracle 已死”“学 Oracle 没前途”等言论甚嚣尘上，让许多正在学习或使用 Oracle 的人感到焦虑与迷茫。

最近，阿里云飞天实验室自主研发的数据分析智能体 “析言 XiYan-SQL” 在全球权威的 SQL 诊断评测基准 BIRD-CRITIC（也称 SWE-SQL）中表现优异，成功登顶所有开放榜单，超越了多家国内外顶尖团队，刷新了 SQL 诊断与修复的行业纪录。 BIRD-CRITIC 基准是由学术界与 Google Cloud 合作推出，旨在探讨 ...

You might be staring at your budget, wondering how you’re supposed to cover rent, debt, and everything else on $20–$25 an ...

A high-severity flaw in MongoDB instances could allow unauthenticated remote bad actors to leak sensitive data from MongoDB servers. Dubbed "MongoBleed," the security flaw is being exploited in the ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...

Oracle's first-quarter results, announced in September, delivered a significant positive surprise that outweighed modest revenue shortfalls. Although revenue of $14.9 billion and adjusted earnings per ...

Discover the best cloud ETL tools for data engineers in 2025. Compare features, pricing, and use cases as we explore the most effective data integration solutions for modern organizations with ...

AI initiatives don’t stall because models aren’t good enough, but because data architecture lags the requirements of agentic systems.

一、低代码开发平台市场概况近年来，随着数字化转型加速，低代码开发平台成为企业降本增效的重要工具。低代码开发通过可视化界面和模型驱动逻辑，大幅降低了应 ...