Statement接口的executeUpdate(String sql)返回值是int,它表示数据库中受该SQL语句影响的记录的数目
相似题目
-
Evaluate the following statement: https://assets.asklib.com/images/image2/2018080114444988840.jpg Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?()
-
Evaluate this SQL statement: https://assets.asklib.com/images/image2/2018080116554090144.jpg In the statement, which capabilities of a SELECT statement are performed?()
-
Evaluate the SQL statement DROP TABLE DEPT: Which four statements are true of the SQL statement? ()
-
You issue this statement:ALTER DATABASE BACKUP CONTROLFILE TO TRACE; What does the statement generate?()
-
Statement对象提供了int executeUpdate(String sqlStatement)方法,用于实现对数据库中数据的添加、删除和更新操作。
-
Evaluate the SQL statement: TRUNCATE TABLE DEPT; Which three are true about the SQL statement? ()
-
cn是Connection对象,创建Statement对象的方法是()。
-
Evaluate the following statement: https://assets.asklib.com/images/image2/2018080114301711053.jpg Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?()
-
Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement? ()
-
Statement接口的executeUpdate(String sql)方法用于执行SQL中的insert、______________和delete语句。
-
Which statement is the main idea of the second paragraph?Which statement is the main idea of paragraph 2?
-
__________________接口的对象可以代表一个预编译的SOL语句,它是Statement接口的子接口。
-
以下哪个不是Statement中的方法( )。
-
以下哪个不是Statement中的方法( )。
-
Translate the following sentence into Chinese.\A profit statement is also known as a profit and loss statement, an income statement, an income and expense statement or an operating statement.\
-
下面是创建Statement接口并执行executeUpdate方法的代码片段:conn=DriverManager.getConnection(\jdbc:odbc:book\,\\,\\);stmt=conn.createStatement();String strsql=\insert into bookvalues('TP003', 'ASP.NET','李','清华出版社',35)
-
Effective training objectives have three components: a statement of performance or outcome, a statement of quality or acceptable level of performance, and a statement of conditions under which the trainee is expected to perform.
-
Statement对象是通过Connection对象的什么方法创建的?
-
The empty statement is represented by placing __________ where a statement would normally be.
-
JDBC接口________中创建Statement的方法是________;创建PreparedStatement的方法是________;
-
Statement接口的execute ()方法的返回类型是int型。
-
4、JDBC中,接口Statement中定义的execute方法的返回类型是()
-
创建基本的Statement对象的实现代码是__
-
Statement是用于发送并执行SQL语句的类。()
推荐题目
- 材料季度计划是年度计划的滚动计划和分解计划。
- 浮阀的阀芯安装时没有安装方向。
- 液下喷射泡沫灭火系统是指将泡沫液从液面下喷入罐内的灭火系统。
- 井下电气设备的检查、维护和调整,必须由采区电钳工进行
- 托管费通常按照基金资产总值的一定比率提取,逐日计算并累计,按月支付给托管人。()
- 指针式万用表的两根表笔分别接触一个二极管的两端,当测得的电阻较小时,红表笔所接触的是()。
- 翻译:我最喜爱的饮料
- 患者男,70岁,因心前区疼痛2h入院。既往有原发性高血压史10余年,没有规律服药。查体:血压200/120mmHg,心率107次/min,颈静脉充盈,双上肢血压相差40mmHg,左侧低,右侧高,双肺可闻及少许湿啰音,心界大致正常,心律齐,各瓣膜区未闻及病理性杂音,腹软,肝、脾未及,双下肢搏动正常。应尽快进行的处理包括()(提示:血常规示Hb120g/L,血生化心肌酶正常,动脉血气分析示SaO<su
- 《党章》总纲第二十一段指出,铸牢人类命运共同体意识,实现各民族共同团结奋斗、共同繁荣发展。全面贯彻党的宗教工作基本方针,团结信教群众为经济社会发展作贡献。()
- 固定资金是企业用于房屋、建筑物、机器、机械、运输工具以及其他与生产经营有关的设备、器具、工具等主要劳动资料的资金。其实物形态称为