control数据库的相关内容

阿里云文档 2024-12-31

如何使用并发控制CCL规则

为了确保MySQL实例在面对突发请求流量、高资源消耗语句和SQL访问模型变化时的稳定运行，阿里云提供了基于语句规则的并发控制（CCL）及相应的工具包（DBMS_CCL）。通过DBMS_CCL，您可以限制特定类型SQL语句的最大并行执行数量。当指定SQL的并行执行数达到设定的限额后，额外的SQL语句则会进入等待状态，直到SQL的并行数量小于设定的限额。

阿里云文档 2024-09-12

什么是并发控制Concurrency Control

为了应对突发的数据库请求流量、资源消耗过高的SQL语句以及SQL语句访问模型变化问题，保证PolarDB集群持续稳定运行，阿里云提供了基于SQL语句的并发控制Concurrency Control（简称CCL）规则，并提供了工具包DBMS_CCL便于您快捷地使用该功能。

文章 2022-02-16 来自：开发者社区

TX Text Control文字处理教程（5）数据库操作

TX Text Control可以与任意数据库建立连接，并将进行格式化文本的存储。你可以将整个文档当做一条数据进行保存，同时也可以将文本从数据库中加载到一个单元格或者标记文本域中。一些典型的应用系统通常拥有以下功能，邮件合并、报表生成、格式化数据掩码输入，而且在商业应用系统中都是通过数据库中的信息来生成相应的文档。本章将演示如何将Text Control中的内容以RTF格式的文本存储...

文章 2022-02-16 来自：开发者社区

Red Gate系列之二 SQL Source Control 3.0.13.4214 Edition 数据库版本控制器完全破解+使用教程

原文:Red Gate系列之二 SQL Source Control 3.0.13.4214 Edition 数据库版本控制器完全破解+使用教程 Red Gate系列之二 SQL Source Control 3.0.13.4214 Edition 数据库版本控制器完全破解+使用教程 Red Gate系列文章： Red Gate系列之一 SQL Compare 10.2.0.1337 Edi....

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更新时间 2024-05-09 22:06:08

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