在ADO.NET中，DataAdpter对象使用下列哪个Command属性从数据源中删除记录？（）A、Insert CommandB、Update CommandC、Select CommandD、Delete Command
在ADO.NET中，DataAdpter对象使用下列哪个Command属性从数据源中删除记录？（）
- A、Insert Command
- B、Update Command
- C、Select Command
- D、Delete Command
相关考题：
下列关于ADO.NET中各对象的说法不正确的是()。A.Connection对象用于实现和数据源的连接B.Command对象用于完成对数据库的操作C.DataReader对象可用于完成数据记录的增加、删除、修改和查询D.DataAdapter对象用于实现数据源和DataSet对象的连接 8
DataAdapter对象使用与()属性关联的Command对象将DataSet修改的数据保存入数据源。A.Delete CommandB.Insert CommandC.Update CommandD.Select Command
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在ADO.NET中，command对象的（）属性获取和设置要对数据源执行的SQl语句或存储过程。A、CommandtypeB、CommandtimeoutC、connectionD、commandtext
QoS policies are applied on the switches of a LAN. Which type of command will show the effects of the policy in real time?（）A、show commandB、debug commandC、configuration commandD、rommon command
下列关于SQL命令的叙述中，错误的是（）A、INSERT命令可以将一条新记录插入表中B、UPDATE命令可以更新表中已存在的记录C、DELETE命令可以删除表中已存在的记录D、SELECT命令不能与GROUP BY一起使用
在ADO.NET中，为了确保DataAdapter对象能够正确地将数据从数据源填充到DataSet中，则必须事先设置好DataAdpter对象的下列哪个Command属性？（）A、Insert CommandB、Update CommandC、Select CommandD、Delete Command
在ADO.NET中，使用DataAdapter将数据源填充到DataSet，应使用下列哪个方法？（）A、DataAdapter对象的Update方法B、DataSet对象的Fill方法C、DataSet对象的Update方法D、DataAdapter对象的Fill方法
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在ADO.NET中，对于Command对象的ExecuteNonQuery（）方法和ExecuteReader（）方法，下面叙述错误的是（）A、insert、update、delete等操作的Sql语句主要用ExecuteNonQuery（）方法来执行；B、ExecuteNonQuery（）方法返回执行Sql语句所影响的行数。C、Select操作的Sql语句只能由ExecuteReader（）方法来执行；D、ExecuteReader（）方法返回一个DataReder对象；
The command echo $! will produce what output？（）A、 the process id of last background commandB、 the exit status of the last commandC、 the exit status of the last background commandD、 the process id of the current shellE、 the name of the command being executed
You execute the following commands to audit database activities: SQL ALTER SYSTEM SET AUDIT_TRIAL=DB, EXTENDED SCOPE=SPFILE; SQL AUDIT SELECT TABLE, INSERT TABLE, DELETE TABLE BY JOHN By SESSION WHENEVER SUCCESSFUL; Which statement is true about the audit record that generated when auditing after instance restarts?（）A、One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command on a table, and contains the SQL text for the SQL Statements.B、One audit record is created for every successful execution of a SELECT, INSERT OR DELETE command, and contains the execution plan for the SQL statements.C、One audit record is created for the whole session if john successfully executes a SELECT, INSERT, or DELETE command, and contains the execution plan for the SQL statements.D、One audit record is created for the whole session if JOHN successfully executes a select command, and contains the SQL text and bind variables used.E、One audit record is created for the whole session if john successfully executes a SELECT, INSERT,or DELETE command on a table, and contains the execution plan, SQL text, and bind variables used.
The user HR owns the EMP table. The user HR grants privileges to the user SCOTT by using this command： SQL GRANT SELECT，INSERT，UPDATE ON emp TO scott WITH GRANT OPTION； The user SCOTT executes this command to grant privileges to the user JIM： SQL GRANT SELECT，INSERT，UPDATE ON hr.emp TO jim； Now， the user HR decides to revoke privileges from JIM using this command： SQL REVOKE SELECT，INSERT，UPDATE ON emp FROM jim； Which statement is true after HR issues the REVOKE command（）A、The command fails because SCOTT still has privileges.B、The command succeeds and privileges are revoked from JIM.C、The command fails because HR cannot revoke the privileges from JIM.D、The command succeeds and only HR has the privilege to perform the SELECT， INSERT， and UPDATEoperations on the EMP table.
You previously secured your listener with an encrypted password. However， you need to set a new password for security reasons. What is the correct method for setting a new encrypted password for the listener using the Listener Control utility？（）A、 executing the SET PASSWORD command and then the SAVE_CONFIG commandB、 executing the CHANGE_PASSWORD command and then the SAVE_CONFIG commandC、 executing the CHANGE_PASSWORD command and then the SET PASSWORD commandD、 executing the SET PASSWORD command， then the CHANGE_PASSWORD command and finally， the SAVE_CONFIG command
单选题You are maintaining your database in Oracle10g. You are required to view the list of files that have not been backed up for the last seven days. Which RMAN command will you use？（）A LIST commandB CROSSCHECK commandC REPORT commandD SHOW command
单选题在ADO.NET中，command对象的（）属性获取和设置要对数据源执行的SQl语句或存储过程。ACommandtypeBCommandtimeoutCconnectionDcommandtext
单选题在ADO.NET中，DataAdpter对象使用下列哪个Command属性从数据源中删除记录？（）AInsert CommandBUpdate CommandCSelect CommandDDelete Command
单选题在ADO.NET中，使用DataAdapter将数据源填充到DataSet，应使用下列哪个方法？（）ADataAdapter对象的Update方法BDataSet对象的Fill方法CDataSet对象的Update方法DDataAdapter对象的Fill方法
单选题You previously secured your listener with an encrypted password. However， you need to set a new password for security reasons. What is the correct method for setting a new encrypted password for the listener using the Listener Control utility？（）A executing the SET PASSWORD command and then the SAVE_CONFIG commandB executing the CHANGE_PASSWORD command and then the SAVE_CONFIG commandC executing the CHANGE_PASSWORD command and then the SET PASSWORD commandD executing the SET PASSWORD command， then the CHANGE_PASSWORD command and finally， the SAVE_CONFIG command
单选题在ADO.NET中，为了确保DataAdapter对象能够正确地将数据从数据源填充到DataSet中，则必须事先设置好DataAdpter对象的下列哪个Command属性？（）AInsert CommandBUpdate CommandCSelect CommandDDelete Command
单选题The command echo $! will produce what output？（）A the process id of last background commandB the exit status of the last commandC the exit status of the last background commandD the process id of the current shellE the name of the command being executed
单选题在ADO.NET中，用来与数据源建立连接的对象是（）A Connection对象B Command对象C DataAdapter对象D DataSet对象