• 2022-06-14 问题

    假设conn为数据库连接对象,下面哪条语句可向表TeacherInfo中添加变长字符串类型的Name列 A: seq="INSERTINTOTABLETeacherInfoADDNameVARCHAR(50)"conn.execute(seq) B: seq="ALTERTABLETeacherInfoADDNameVARCHAR(50)"conn.execute(seq) C: seq="ALTERTABLETeacherInfoADDNameVARCHAR(50)"conn.commit(seq) D: seq="INSERTINTOTABLETeacherInfoADDNameVARCHAR(50)"conn.commit(seq)

    假设conn为数据库连接对象,下面哪条语句可向表TeacherInfo中添加变长字符串类型的Name列 A: seq="INSERTINTOTABLETeacherInfoADDNameVARCHAR(50)"conn.execute(seq) B: seq="ALTERTABLETeacherInfoADDNameVARCHAR(50)"conn.execute(seq) C: seq="ALTERTABLETeacherInfoADDNameVARCHAR(50)"conn.commit(seq) D: seq="INSERTINTOTABLETeacherInfoADDNameVARCHAR(50)"conn.commit(seq)

  • 2022-07-23 问题

    建立一个Connection对象的正确方法是( )。 A: Dim conn As ADODB.Connection conn=ADODB.Connection B: Dim conn As ADODB.Connection Set conn=New ADODB.Connection C: Dim conn As ADODB.Connection Set conn=ADODB.Connection D: Dim conn As Connection Set conn=New Connection

    建立一个Connection对象的正确方法是( )。 A: Dim conn As ADODB.Connection conn=ADODB.Connection B: Dim conn As ADODB.Connection Set conn=New ADODB.Connection C: Dim conn As ADODB.Connection Set conn=ADODB.Connection D: Dim conn As Connection Set conn=New Connection

  • 2022-07-23 问题

    建立一个Connection对象的正确方法是( )。 A: Dim conn As ADODB.Connection<br>conn=ADODB.Connection B: Dim conn As ADODB.Connection<br>Set conn=New ADODB.Connection C: Dim conn As ADODB.Connection<br>Set conn=ADODB.Connection D: Dim conn As Connection<br>Set conn=New Connection

    建立一个Connection对象的正确方法是( )。 A: Dim conn As ADODB.Connection<br>conn=ADODB.Connection B: Dim conn As ADODB.Connection<br>Set conn=New ADODB.Connection C: Dim conn As ADODB.Connection<br>Set conn=ADODB.Connection D: Dim conn As Connection<br>Set conn=New Connection

  • 2022-06-14 问题

    A ____ is a person who ____ _____. A: crime; commit; criminal B: commit; criminal; crimes C: commit; crimes; criminal D: criminal; commits; crimes

    A ____ is a person who ____ _____. A: crime; commit; criminal B: commit; criminal; crimes C: commit; crimes; criminal D: criminal; commits; crimes

  • 2022-06-08 问题

    如果SqlConnection对象为conn,SqlCommand对象为cmd,请写出将cmd的连接属性设置为conn的代码:______

    如果SqlConnection对象为conn,SqlCommand对象为cmd,请写出将cmd的连接属性设置为conn的代码:______

  • 2021-04-14 问题

    commit crimes

    commit crimes

  • 2022-06-17 问题

    连接对象的创建方法中,正确的是()。 A: Conn=CreateObjet(“ADODConnection”) B: Conn=Server.CreateObjet(“ADODConnection”) C: SetConn=Server.CreateObjet(“ADODConnection”) D: SetConn=Server.CreateObjet(ADODConnection)

    连接对象的创建方法中,正确的是()。 A: Conn=CreateObjet(“ADODConnection”) B: Conn=Server.CreateObjet(“ADODConnection”) C: SetConn=Server.CreateObjet(“ADODConnection”) D: SetConn=Server.CreateObjet(ADODConnection)

  • 2022-06-14 问题

    在使用SharedPreference对应的安全属性是? A: commited() B: commit() C: tocommit() D: Commit()

    在使用SharedPreference对应的安全属性是? A: commited() B: commit() C: tocommit() D: Commit()

  • 2022-06-09 问题

    以下语句可以创建Statement接口对象的是( ) A: Statement sm = new Statement() B: Statement sm = conn. createStatement(); (注:conn为数据连接对象) C: Statement sm = conn. getStatement ();(注:conn为数据连接对象) D: Statement sm = conn. prepareStatement ();(注:conn为数据连接对象)

    以下语句可以创建Statement接口对象的是( ) A: Statement sm = new Statement() B: Statement sm = conn. createStatement(); (注:conn为数据连接对象) C: Statement sm = conn. getStatement ();(注:conn为数据连接对象) D: Statement sm = conn. prepareStatement ();(注:conn为数据连接对象)

  • 2022-05-29 问题

    在SQL语言中事务结束的命令是()。 A: ENDTRANSACTION B: COMMIT C: ROLLBACK D: COMMIT或ROLLBACK

    在SQL语言中事务结束的命令是()。 A: ENDTRANSACTION B: COMMIT C: ROLLBACK D: COMMIT或ROLLBACK

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