http://webuc.net/yunguang/category/266.aspxOracle云广zh-CHS.Text Version 0.95.2004.102云广http://webuc.net/yunguang/archive/2004/12/18/2399.aspxSat, 18 Dec 2004 16:27:00 GMThttp://webuc.net/yunguang/archive/2004/12/18/2399.aspxhttp://webuc.net/yunguang/comments/2399.aspxhttp://webuc.net/yunguang/archive/2004/12/18/2399.aspx#Feedback4http://webuc.net/yunguang/comments/commentRss/2399.aspxhttp://webuc.net/yunguang/services/trackbacks/2399.aspx<h1 style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt"><font face="Courier">在oracle中</font></span></h1> <h1 style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt"><font face="Courier"></font></span>&nbsp;</h1> <h1 style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt"><font face="Courier">CREATE SEQUENCE <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></font></span></h1> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span lang="EN" style="COLOR: black; FONT-FAMILY: Courier; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: Arial">Emp_sequence<o:p></o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span lang="EN" style="DISPLAY: none; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt; mso-hide: all"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="COLOR: black; FONT-FAMILY: Courier; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: Arial">INCREMENT BY 1</span><span lang="EN" style="DISPLAY: none; mso-bidi-font-size: 10.0pt; mso-hide: all"><o:p></o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="FONT-FAMILY: Courier; mso-bidi-font-size: 10.0pt"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="COLOR: black; FONT-FAMILY: Courier; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: Arial">START WITH 1</span><span lang="EN" style="DISPLAY: none; mso-bidi-font-size: 10.0pt; mso-hide: all"><o:p></o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="FONT-FAMILY: Courier; mso-bidi-font-size: 10.0pt"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="COLOR: black; FONT-FAMILY: Courier; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: Arial">NOMAXVALUE</span><span lang="EN" style="DISPLAY: none; mso-bidi-font-size: 10.0pt; mso-hide: all"><o:p></o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="FONT-FAMILY: Courier; mso-bidi-font-size: 10.0pt"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="COLOR: black; FONT-FAMILY: Courier; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: Arial">NOCYCLE</span><span lang="EN" style="DISPLAY: none; mso-bidi-font-size: 10.0pt; mso-hide: all"><o:p></o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="FONT-FAMILY: Courier; mso-bidi-font-size: 10.0pt"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN" style="COLOR: black; FONT-FAMILY: Courier; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt">CACHE 10;</span><span lang="EN" style="mso-bidi-font-size: 10.0pt"> </span><span lang="EN" style="FONT-SIZE: 15pt; mso-bidi-font-size: 10.0pt"><o:p></o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">然后在插入数据时候可以通过如下代码实现：</span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN">insert into users (U_Id,u_username,u_password,u_level)</span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN">values</span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN">(Emp_sequence.NEXTVAL,'yunguang','haha','0')</span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">其中</span><span lang="EN">U_Id</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">为表</span><span lang="EN">users</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的主键。</span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">这样就可以实现在</span><span lang="EN">U_Id</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上产生自动增量效果！</span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN"><o:p>&nbsp;</o:p></span></p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">具体的可视化操作还没有找到，晕！！！</span><img src ="http://webuc.net/yunguang/aggbug/2399.aspx" width = "1" height = "1" />