成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">40、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">伪指令是它是在对源程序汇编期间由汇编程序处理的操作<span lang="EN-US">,</span>它不产生任何机器代码。</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">12、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在关系中某一属性组的值能唯一地标识一个元组，则该属性组为</span><span lang="EN-US">___</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">13、<span lang="EN-US" style="color:windowtext">SQL</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">中，下列涉及空值的操作，不正确的是</span><span lang="EN-US" style="color:windowtext">___</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";color:windowtext">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">22、<span lang="EN-US">SQL</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">语言的数据操纵<span class="GramE">句包括</span></span><span lang="EN-US">SELECT</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">，</span><span lang="EN-US">INSERT</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">，</span><span lang="EN-US">UPDATE</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">和</span><span lang="EN-US">DELETE</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">，最重要的，也是使用最频繁的语句是</span><span lang="EN-US">___</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">30、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">为了对表中的各行进行快速访问，应对此表建立</span><span lang="EN-US">___</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">25、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";color:windowtext">在关系中某一属性组的值能唯一地标识一个元组，则该属性组为</span><span lang="EN-US" style="color:windowtext">___</span><span style="font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt; color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">10、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">数据库管理系统通常提供授权功能来控制不同用户访问数据的权限，这主要是为了实现数据库的</span><span lang="EN-US">___</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">23、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在关系代数运算中，五种基本运算为</span><span lang="EN-US">___</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">5、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";color:windowtext">下述哪一个</span><span lang="EN-US" style="color:windowtext">SQL</span><span style="font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">语句用于实现数据存储的权限机制</span><span lang="EN-US" style="color:windowtext">___</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">16、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在</span><span lang="EN-US">SQL Server 2000</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">编程中，可使用</span><span lang="EN-US">___</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">将多个语句捆绑。</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>