stringMyDelete="Delete from Table_1 where id='"+textBox3.Text+"'"; //string MyDelete = "Delete from Table_1 where id='" + textBox1.Text + "'and Name='" + textBox1.Text + "'and Salary='+textBox3.Text+' "; SqlCommandMyCommand=newSqlCommand(MyDelete,MyConnection); try { My...
1.1.整合PL/SQL Developer软件 1.点击Tools—>Preferences—>Connection连接,填写连接信息: 2.连接Oracle数据库,默认连接方式: 192.168.88.6:表示安装Oracle数据库的服务器地址; 1521:默认端口号 orcl:默认Oracle安装数据库名称 3.使用修改tnsnames.ora文件配置方式连接: ①复制远程服务器Oracle安装目录中的tnsnames.ora到...
要使用SQL Developer对数据库进行操作,首先需要创建到数据库的连接,以下我们分别介绍SQL Developer如何创建到Oracle、MySQL和SQL Server数据库的连接。9.2.1 连接到Oracle数据库可以通过下面方式实现到Oracle数据库的连接。如图9-1所示,运行SQL Developer.exe,进入操作界面。图9-1 初始操作界面右键单击Connection,新创建一...
将报表命名为“number of employees by department”。在 description 和 tooltip 中输入您想要的任意文本。将下面的查询用作报表 sql: select department_id, count(*)from employeesgroup by department_id单击apply 保存。 单击employee reports 节点旁边的加号,然后单击新报表。可能会看到 select connection 对话框。
4. 打开PLSQL Developer,选择Tools -> perference -> Connection,配置其中的Oracle Home和OCI Library项,如下图所示: 其中, Oracle Home:E:\app\Administrator\product\instantclient_11_2 OCI Library:E:\app\Administrator\product\instantclient_11_2\oci.dll ...
Any files opened will be opened into a SQL Worksheet. The user will simply select the appropriate connection from the upper-right list and can edit, execute and save. 9. Edit PL/SQL Full Function Editor Code Snippet Viewer Code Formatter ...
创建数据库连接使用 Oracle SQL Developer 管理数据库对象首先要创建数据库连接。执行以下步骤:打开 Windows 资源管理器,双击 path\sqldeveloper\sqldeveloper.exe 。注:也可以在非 Windows 环境中执行 sqldeveloper 。在 Connections 选项卡中,右键单击 Connections 并选择 New Database Connection r Oracle SQL ...
1、insert插入SQL: (1)insert into t_depart (departid,departname,createdate) values (1,'市场部',sysdate); (2)insert into t_user values (seq_user.nextval,'马文涛',23,'男'); 2、delete删除SQL: (1)delete t_user;(太可怕了,如果在删除时不加条件,则把此表中的所有数据都会删除!) ...
When you run a CONNECT command, the site profile, glogin.sql, and the user profile, login.sql, are processed in that order. CONNECT does not reprompt for username or password if the initial connection does not succeed. DISC[ONNECT] Commits pending changes to the database and logs the curr...
In the tutorial Setting Up Oracle Data Miner 11g Release 2, you learned how to create a database account and SQL Developer connection for a data mining user named dmuser. This user has access to the sample data that you will be mining....