1111 < meta itemprop ="name " content ="软考知识点 ">
1212 < meta itemprop ="description " content ="[TOC] 嵌入式SQL嵌入式SQL中通过主变量实现主语言和SQL语言间进行参数传递； SQL语句的执行状态通过sqlca，传递给主语言来进行流程控制； 对于返回结果为多条记录的sql语句，通过游标来由主语言逐条处理。 执行类型分析和检查：分析程序的类型系统，并检查程序是否违反类型规则(程序中变量和表达式的类型)， ">
1313 < meta itemprop ="datePublished " content ="2024-05-08T16:50:00+08:00 ">
14- < meta itemprop ="dateModified " content ="2025-04-25T15:51:52 +08:00 ">
15- < meta itemprop ="wordCount " content ="4258 ">
14+ < meta itemprop ="dateModified " content ="2025-04-25T15:55:11 +08:00 ">
15+ < meta itemprop ="wordCount " content ="4226 ">
1616 < meta itemprop ="image " content ="https://ipfred.github.io/images/apple-devices-preview.webp "> < meta property ="og:url " content ="https://ipfred.github.io/db/20240508165000/ ">
1717 < meta property ="og:site_name " content ="Fred的知识库 ">
1818 < meta property ="og:title " content ="软考知识点 ">
2121 < meta property ="og:type " content ="article ">
2222 < meta property ="article:section " content ="db ">
2323 < meta property ="article:published_time " content ="2024-05-08T16:50:00+08:00 ">
24- < meta property ="article:modified_time " content ="2025-04-25T15:51:52 +08:00 ">
24+ < meta property ="article:modified_time " content ="2025-04-25T15:55:11 +08:00 ">
2525 < meta property ="og:image " content ="https://ipfred.github.io/images/apple-devices-preview.webp ">
2626< meta name ="twitter:card " content ="summary_large_image ">
2727< meta name ="twitter:image " content ="https://ipfred.github.io/images/apple-devices-preview.webp "> < meta name ="twitter:title " content ="软考知识点 ">
4040 "mainEntityOfPage" : {
4141 "@type" : "WebPage" ,
4242 "@id" : "https:\/\/ipfred.github.io\/db\/20240508165000\/"
43- } , "image" : [ "https:\/\/ipfred.github.io\/apple-touch-icon.png" ] , "genre" : "posts" , "wordcount" : 4258 ,
44- "url" : "https:\/\/ipfred.github.io\/db\/20240508165000\/" , "datePublished" : "2024-05-08T16:50:00+08:00" , "dateModified" : "2025-04-25T15:51:52 +08:00" , "license" : "本站内容采用 CC BY-NC-SA 4.0 国际许可协议。" , "publisher" : {
43+ } , "image" : [ "https:\/\/ipfred.github.io\/apple-touch-icon.png" ] , "genre" : "posts" , "wordcount" : 4226 ,
44+ "url" : "https:\/\/ipfred.github.io\/db\/20240508165000\/" , "datePublished" : "2024-05-08T16:50:00+08:00" , "dateModified" : "2025-04-25T15:55:11 +08:00" , "license" : "本站内容采用 CC BY-NC-SA 4.0 国际许可协议。" , "publisher" : {
4545 "@type" : "Organization" ,
4646 "name" : "ipFred" , "logo" : "https:\/\/ipfred.github.io\/images\/avatar.jpg" } , "author" : {
4747 "@type" : "Person" ,
236236 < div class ="header "> < h1 class ="single-title animate__animated animate__flipInX "> < span > 软考知识点</ span >
237237 </ h1 > </ div > < div class ="post-meta ">
238238 < div class ="post-meta-line "> < span class ="post-author "> < a href ="https://github.com/ipfred " title ="作者 "target ="_blank " rel ="external nofollow noopener noreferrer author " class ="author "> < i class ="fa-solid fa-user-circle " aria-hidden ="true "> </ i >
239- Fred</ a > </ span > </ div > < div class ="post-meta-line "> < span title ="发布于 2024-05-08 16:50:00 "> < i class ="fa-solid fa-calendar-days fa-fw me-1 " aria-hidden ="true "> </ i > < time datetime ="2024-05-08 "> 2024-05-08</ time > </ span > < span title ="更新于 2025-04-25 15:51:52 "> < i class ="fa-regular fa-calendar-check fa-fw me-1 " aria-hidden ="true "> </ i > < time datetime ="2025-04-25 "> 2025-04-25</ time > </ span > < span title ="4258 字> < i class ="fa-solid fa-pencil-alt fa-fw me-1 " aria-hidden ="true "> </ i > 约 4300 字</ span > < span > < i class ="fa-regular fa-clock fa-fw me-1 " aria-hidden ="true "> </ i > 预计阅读 9 分钟</ span > < span id ="busuanzi_container_page_pv " class ="busuanzi_visitors comment-visitors " data-flag-title ="软考知识点 ">
239+ Fred</ a > </ span > </ div > < div class ="post-meta-line "> < span title ="发布于 2024-05-08 16:50:00 "> < i class ="fa-solid fa-calendar-days fa-fw me-1 " aria-hidden ="true "> </ i > < time datetime ="2024-05-08 "> 2024-05-08</ time > </ span > < span title ="更新于 2025-04-25 15:55:11 "> < i class ="fa-regular fa-calendar-check fa-fw me-1 " aria-hidden ="true "> </ i > < time datetime ="2025-04-25 "> 2025-04-25</ time > </ span > < span title ="4226 字> < i class ="fa-solid fa-pencil-alt fa-fw me-1 " aria-hidden ="true "> </ i > 约 4300 字</ span > < span > < i class ="fa-regular fa-clock fa-fw me-1 " aria-hidden ="true "> </ i > 预计阅读 9 分钟</ span > < span id ="busuanzi_container_page_pv " class ="busuanzi_visitors comment-visitors " data-flag-title ="软考知识点 ">
240240 < i class ="fa-regular fa-eye fa-fw me-1 " aria-hidden ="true "> </ i > < span id ="busuanzi_value_page_pv "> -</ span > 次阅读
241241 </ span > </ div >
242242 </ div > < div class ="details toc " id ="toc-static " data-kept ="false ">
@@ -316,11 +316,7 @@ <h3 id="进程管理" class="heading-element">
316316< li > {a,{b,c,d}} 中，它包含一个原子和一个子表，因此该广义表的长度为 2</ li >
317317</ ul >
318318</ li >
319- < li > 广义表的深度：观察表中所包含括号的层数间接得到
320- < ul >
321- < li > 广义表 < code > {{1,2},{3,{4,5}}}</ code > 中，子表 {1,2} 和 {3,{4,5}} 位于同层，此广义表中包含 3 层括号，因此深度为 3。</ li >
322- </ ul >
323- </ li >
319+ < li > 广义表的深度：观察表中所包含括号的层数间接得到</ li >
324320</ ul >
325321< h4 id ="二叉树 " class ="heading-element ">
326322 < a href ="#%e4%ba%8c%e5%8f%89%e6%a0%91 " class ="heading-mark "> </ a > 二叉树</ h4 > < ul >
@@ -483,7 +479,7 @@ <h4 id="关系元组演算" class="heading-element">
483479</ span > </ span > </ span > < span class ="line "> < span class ="cl "> < span class ="c1 "> </ span > < span class ="err "> {</ span > < span class ="w "> </ span > < span class ="o "> <</ span > < span class ="n "> n</ span > < span class ="p "> ,</ span > < span class ="w "> </ span > < span class ="n "> a</ span > < span class ="o "> ></ span > < span class ="w "> </ span > < span class ="o "> |</ span > < span class ="w "> </ span > < span class ="err "> ∃</ span > < span class ="n "> e</ span > < span class ="w "> </ span > < span class ="err "> ∃</ span > < span class ="n "> s</ span > < span class ="w "> </ span > < span class ="p "> (</ span > < span class ="n "> Employee</ span > < span class ="p "> (</ span > < span class ="n "> e</ span > < span class ="p "> ,</ span > < span class ="w "> </ span > < span class ="n "> n</ span > < span class ="p "> ,</ span > < span class ="w "> </ span > < span class ="n "> a</ span > < span class ="p "> ,</ span > < span class ="w "> </ span > < span class ="n "> s</ span > < span class ="p "> )</ span > < span class ="w "> </ span > < span class ="err "> ∧</ span > < span class ="w "> </ span > < span class ="n "> a</ span > < span class ="w "> </ span > < span class ="o "> ></ span > < span class ="w "> </ span > < span class ="mi "> 30</ span > < span class ="p "> )</ span > < span class ="w "> </ span > < span class ="err "> }</ span > </ span > </ span > </ code > </ pre > </ td > </ tr > </ table >
484480</ div >
485481</ div > < h3 id ="分布式系统 " class ="heading-element ">
486- < a href ="#%e5%88%86%e5%b8%83%e5%bc%8f%e7%b3%bb%e7%bb%9f " class ="heading-mark "> </ a > 分布式系统</ h3 > < p > CAP分布式系统的基本原理代表三个关键属性：一致性（Consistency）、可用性（Availability）和分区容忍性（Partition Tolerance）</ p >
482+ < a href ="#%e5%88%86%e5%b8%83%e5%bc%8f%e7%b3%bb%e7%bb%9f " class ="heading-mark "> </ a > 0.1 分布式系统</ h3 > < p > CAP分布式系统的基本原理代表三个关键属性：一致性（Consistency）、可用性（Availability）和分区容忍性（Partition Tolerance）</ p >
487483< p > 五个答题考点：</ p >
488484< ul >
489485< li > 数据库概念结构设计</ li >
@@ -493,7 +489,7 @@ <h4 id="关系元组演算" class="heading-element">
493489< li > 数据备份和故障恢复 数据库日志文件</ li >
494490</ ul >
495491< h3 id ="信息安全 " class ="heading-element ">
496- < a href ="#%e4%bf%a1%e6%81%af%e5%ae%89%e5%85%a8 " class ="heading-mark "> </ a > 信息安全</ h3 > < ul >
492+ < a href ="#%e4%bf%a1%e6%81%af%e5%ae%89%e5%85%a8 " class ="heading-mark "> </ a > 0.2 信息安全</ h3 > < ul >
497493< li > 主动攻击
498494< ul >
499495< li > 攻击者干扰系统或网络的正常运行，通过修改、破坏或伪造数据，获取未授权的访问权限或恶意操作</ li >
@@ -533,7 +529,7 @@ <h3 id="信息安全" class="heading-element">
533529< li > 受保护程度：从高到低 内网 DMZ 外网</ li >
534530</ ul >
535531< h3 id ="项目管理 " class ="heading-element ">
536- < a href ="#%e9%a1%b9%e7%9b%ae%e7%ae%a1%e7%90%86 " class ="heading-mark "> </ a > 项目管理</ h3 > < p > 无主程序员组：适合开发小型项目 创新型项目， 确定性比较小的项目
532+ < a href ="#%e9%a1%b9%e7%9b%ae%e7%ae%a1%e7%90%86 " class ="heading-mark "> </ a > 0.3 项目管理</ h3 > < p > 无主程序员组：适合开发小型项目 创新型项目， 确定性比较小的项目
537533ISO软件质量模型：
538534软件质量的6大特性：功能性、可靠性、易用性、效率、维护性、可移植性< br >
539535软件质量的27个子特性：< br >
@@ -614,7 +610,7 @@ <h3 id="项目管理" class="heading-element">
614610 < div class ="post-info ">
615611 < div class ="post-info-line ">
616612 < div class ="post-info-mod ">
617- < span title ="更新于 2025-04-25 15:51:52 "> 更新于 2025-04-25 </ span >
613+ < span title ="更新于 2025-04-25 15:55:11 "> 更新于 2025-04-25 </ span >
618614 </ div > </ div > < div class ="post-info-line ">
619615 < div class ="post-info-md "> < span > < a href ="/db/20240508165000/index.md " title ="阅读原始文档 " class ="link-to-markdown "> 阅读原始文档</ a > </ span > < span > < a href ="https://github.com/ipfred/ipfred.github.io/blob/main/content/db%5c%e8%bd%af%e8%80%83%e7%9f%a5%e8%af%86%e7%82%b9.md?plain=1 " title ="查看源码 "target ="_blank " rel ="external nofollow noopener noreferrer " class ="link-to-source "> 查看源码</ a > </ span > </ div >
620616 < div class ="post-info-share ">
0 commit comments