程序SQL 的相关内容

问答 2025-05-15 来自：开发者社区

polardbx使用Java程序连接时@@GLOBAL, @@SESSION.sql_mod不一致？

版本：单机版安装，rpm安装的官方下载包t-polardbx-engine-2.4.0-a6d7022.el7.aarch64.rpmsql_mod已在my.cnf中配置了NO_ENGINE_SUBSTITUTION使用Java程序、idea、dbeaver工具连接时sql_mod如下： @@GLOBAL.sql_mode：NO_ENGINE_SUBSTITUTION@@SESSION.sql_....

文章 2025-05-09 来自：开发者社区

C#程序调用Sql Server存储过程异常处理：调用存储过程后不返回、不抛异常的解决方案

目录一、代码解析：二、解决方案在C#程序操作Sql Server数据库的实际应用中，若异常就会抛出异常，我们还能找到异常的原因，进一步去解决；但偶发的不返回、也不抛出异常的情况真是令人头疼，下面我将从C#程序代码层面去分析解决思路，先上代码 /// <summary> ...

问答 2024-08-07 来自：开发者社区

plardb把数据归档为冷数据后，程序里还能通过sql查询到数据吗？

plardb把数据归档为冷数据后，程序里还能通过sql查询到数据吗？我看文档上只写了控制台查询方式https://help.aliyun.com/zh/polardb/polardb-for-mysql/user-guide/archive-to-csv-or-orc-format?spm=a2c4g.11186623.0.0.63bb2dec54dhFQ

文章 2024-04-18 来自：开发者社区

如何在 Python 中进行 Web 应用程序的安全性管理，例如防止 SQL 注入？

在Python中进行Web应用程序的安全性管理是非常重要的，尤其是防止常见的安全威胁，如SQL注入、跨站脚本（XSS）和跨站请求伪造（CSRF）。以下是一些关键的安全措施：防止SQL注入：使用参数化查询或预编译的语句，而不是直接在查询中拼接字符串。这可以防止攻击者通过...

文章 2024-03-18 来自：开发者社区

如何在 Python 中进行 Web 应用程序的安全性管理，例如防止 SQL 注入？

在Python Web开发中，测试是一个至关重要的环节，它有助于确保代码的质量和稳定性。以下是一些在Python Web开发中常用的测试方法：单元测试（Unit Testing）：单元测试是最基本的测试形式，它针对代码的最小可测试单元（通常是函数或方法）进行。在Pyth...

问答 2024-01-24 来自：开发者社区

PolarDB以前程序mysql的sql写法，代码也不需要改？

PolarDB以前程序mysql的sql写法，代码也不需要改？只需要改jdbc链接地址，就可以做到切换了吧。

文章 2023-07-19 来自：开发者社区

WEB应用程序数据库防守篇之预防SQL漏洞注入

前言SQL： SQL(Structured Query Language) 是结构化查询语言的意思，用来操作查询所有关系型数据库，非关系型数据库虽然也可以存储用户的信息，但查询检索效率远低于关系型数据库，所以关系型数据库就成为存储用户数据的首选。非关系型数据库通常用来存储大数据，结构化数据，指纹，面容特征等信息，也非常重要SQL 又分为以下四种数据库操纵语言DQL：数据库查询语言DM....

问答 2023-05-04 来自：开发者社区

我问下，我项目跑起来时候日志一直报这个错是什么鬼？是因为程序执行sql时候没创建这张表嘛？

问答 2023-03-07 来自：开发者社区

程序写的SQL要手动加上for update是吗？

问答 2023-02-06 来自：开发者社区

如果发布程序的时候，想同时执行sql文件，云效流水线有相关的执行sql组件吗？

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