网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

INSERT INTO TEST VALUES(‘&ID’,‘&NAME’); 语句在执行时将()

  • A、编译错:提示变量未定义
  • B、运行错:提示不能识别符号
  • C、将值&ID和&NAME插入到表中
  • D、提示用户输入ID和NAME的值,再将输入值插入表中

参考答案

更多 “INSERT INTO TEST VALUES(‘ID’,‘NAME’); 语句在执行时将()A、编译错:提示变量未定义B、运行错:提示不能识别符号C、将值ID和NAME插入到表中D、提示用户输入ID和NAME的值,再将输入值插入表中” 相关考题
考题 学生表(id,name,sex,age,depart_id,depart_name),存在的函数依赖是id→{name,sex,age,depart_id};dept_id→dept_name,其满足()、 A、1NFB、2NFC、3NFD、4NF

考题 学生表(id,name,sex,age,depart_id,depart_name),存在函数依赖是id→name,sex,age,depart_id;dept_id→dept_name,其满足()。 A、1NFB、2NFC、3NFD、BCNF

考题 这个sql语句怎么写? 有三个表如下users(id,name);type(id,name);note(id,title,contents,user_id,author_id,type_id);其中,user_id是作者、author_id是原创作者都是与users中的id进行关联的,type_id是分类编号,与type的id关联。现在需要创建一个视图显示note中的id、title、contents、user_id、author_id、type_id、以及user_id、author_id、type_id对应的name。怎样写sql语句呢?

考题 有如下关系:课程表C,主键为c-id(char(4))。c-id c-name若用如下语句建立成绩表SC: CREATE TABLE SC(s-id char(6)NOT NULL,c-id char(4)NOT NULL,score Integer),其中s-id为主键,c-id为外键(是C表的主键)。当执行如下语句时,哪个语句不能执行? ( )。A.INSERT SC VALUES('990101','NULL',75)B.INSERT SC VALUES('990203','C601',80)C.INSERT SC VALUES(NULL,'C602',93)D.INSERT SC VALUES('990202','C604',NULL)

考题 要在users表中插入1条记录,下面哪条语句是正确的() A.InsertIntousers(id,user_namE.Valuee(100,luhong)提示:id字段类型自动编号,因此,用户不能赋值B.InsertIntousers(real_name,tel)Valuee(卢红,6545632)提示:user_name是主键必须赋值,但未赋值。C.InsertIntousers(user_name,Email)Valuee(luhong,)提示:Email不是必填字段,但应该赋NULL值D.InsertIntousers(user_name,Email)Valuee(luhong,NULL)

考题 现有表book,字段:id(int),title(varchar),price(float);其中id字段设为标识,使用insert语句向book表中插入数据,以下语句错误的是()。A、insert into book (id,title,price) values(1,'java',100)B、insert into book (title,price) values('java',100)C、insert into book values ('java',100) 这辆都不可以啊,如果不指定列需要明确的给出空值D、insert book values('java',100)

考题 要在users表中插入1条记录,下面哪条语句是正确的()A、InsertIntousers(id,user_namE.Valuee(100,"luhong")提示:id字段类型自动编号,因此,用户不能赋值B、InsertIntousers(real_name,tel)Valuee("卢红","6545632")提示:user_name是主键必须赋值,但未赋值。C、InsertIntousers(user_name,Email)Valuee("luhong","")提示:Email不是必填字段,但应该赋NULL值D、InsertIntousers(user_name,Email)Valuee("luhong",NULL)

考题 “雇员”表包含以下列: EMPLOYEE_ID NOT NULL, Primary Key SSNUM NOT NULL, Unique LAST_NAME VARCHAR2(25) FIRST_NAME VARCHAR2(25) DEPARTMENT_ID NUMBER 部门表中 DEPARTMENT_ID 列的外键 SALARY NUMBER(8,2) 如果执行以下语句: CREATE INDEX emp_name_idx ON employees(last_name, first_name); 以下哪个说法是的()A、此语句会创建一个基于函数的索引B、因为语法错误,此语句将失败C、该语句将创建一个组合唯一索引D、该语句将创建一个组合非唯一索引

考题 评估以下CREATETABLE语句的执行结果: CREATET ABLE customers (customer_id NUMBER,customer_name VARCHAR2(25), address VARCHAR 2(25), city VARCHAR 2(25), region VARCHAR 2(25), postal_code VARCHAR 2(11), CONSTRAINT customer_id_un UNIQUE(customer_id), CONSTRAINTcustomer_name_nnNOTNULL(customer_name)); 为什么执行时此语句会失败()A、NUMBER数据类型要求精度值B、UNIQUE约束条件必须在列级定义C、CREATETABLE语句不定义PRIMARYKEYD、不能在表级定义NOTNULL约束条件

考题 要在users表中插入一条新记录,下面语句正确的是()。A、Insert Into users(id,user_name) Values(100, "luhong")B、Insert Into users(real_name,tel) Values("卢红","6545632")C、Insert Into users(user_name,Email) Values("luhong", "")D、Insert Into users(user_name,Email) Values("luhong", NULL)

考题 现有表book,字段:id(int),title(varchar),price(float);其中id字段设为标识,使用insert语句向book表中插入数据,以下语句错误的是()。A、insert into book(id,title,price)values(1,’java’,100)B、insert into book(title,price)values(’java’,100)C、insert into book values(’java’,100)D、insert book values(’java’,100)

考题 下列哪种方式可以在session中保存一个名为"name",值为"newer"的属性()A、request.getSession().setAttribute(“name”,"newer")B、request.getSession().getAttribute(“ID”,id);C、request.getSession().setParameter(“ID”,id);D、request.getSession().getParameter(“ID”,id)

考题 Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) HIRE_DATE DATE Which INSERT statement is valid?()A、INSERT INTO employees (employee_id, first_name, last_name, hire_date) VALUES (1000, 'John', 'smith','01/01/01);B、INSERT INTO employees(employee_id, first_name, last_name, hire_date) VALUES (1000, 'John', 'smith','01 january 01');C、INSERT INTO employees(employee_id, first_name, last_name, Hire_date) VALUES (1000, 'John', 'smith', To_ date ('01/01/01));D、INSERT INTO employees(employee_id, first_name, last_name, hire_date) VALUES (1000, 'John', 'smith','01-Jan-01');

考题 Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements inserts a row into the table? ()A、INSERT INTO employees VALUES (NULL, 'JOHN','Smith');B、INSERT INTO employees( first_name, last_name) VALUES ('JOHN','Smith');C、INSERT INTO employees VALUES ('1000','JOHN','NULL');D、INSERT INTO employees(first_name,last_name, employee_id) VALUES ('1000, 'john','Smith');E、INSERT INTO employees (employee_id) VALUES (1000);F、INSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, 'john',");

考题 Which three statements inserts a row into the table?()A、INSERT INTO employees VALUES ( NULL, ‘John’,‘Smith’);B、INSERT INTO employees( first_name, last_name) VALUES(‘John’,‘Smith’);C、INSERT INTO employees VALUES (‘1000’,‘John’,NULL);D、INSERT INTO employees(first_name,last_name, employee_id) VALUES ( 1000, ‘John’,‘Smith’);E、INSERT INTO employees (employee_id) VALUES (1000);F、INSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, ‘John’,‘’);

考题 Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements insert a row into the table? ()A、INSERT INTO employees VALUES (NULL, 'John', 'smith');B、INSERT INTO employees (first_name, last_name) VALUES ('John', 'smith');C、INSERT INTO employees VALUES ('1000, 'John', 'smith');D、INSERT INTO employees (first_name, last_name, employee_id) VALUES (1000, 'John', 'smith');E、INSERT INTO employees (employee_id) VALUES (1000);F、INSERT INTO employees ( employee_id, first_name, last_name, ) VALUES (1000, 'John','');

考题 单选题“雇员”表包含以下列: EMPLOYEE_ID NOT NULL, Primary Key SSNUM NOT NULL, Unique LAST_NAME VARCHAR2(25) FIRST_NAME VARCHAR2(25) DEPARTMENT_ID NUMBER 部门表中 DEPARTMENT_ID 列的外键 SALARY NUMBER(8,2) 如果执行以下语句: CREATE INDEX emp_name_idx ON employees(last_name, first_name); 以下哪个说法是的()A 此语句会创建一个基于函数的索引B 因为语法错误,此语句将失败C 该语句将创建一个组合唯一索引D 该语句将创建一个组合非唯一索引

考题 单选题假设当前表有字段id、name和age,同时有内存变量id和name,命令“?M-name”显示的是(  )。A 不确定,和前面的命令有关B 当前记录字段name的值C 变量不唯一的出错信息D 内存变量name的值

考题 单选题要在users表中插入1条记录,下面哪条语句是正确的()A InsertIntousers(id,user_namE.Valuee(100,luhong)提示:id字段类型自动编号,因此,用户不能赋值B InsertIntousers(real_name,tel)Valuee(卢红,6545632)提示:user_name是主键必须赋值,但未赋值。C InsertIntousers(user_name,Email)Valuee(luhong,)提示:Email不是必填字段,但应该赋NULL值D InsertIntousers(user_name,Email)Valuee(luhong,NULL)

考题 多选题Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements insert a row into the table? ()AINSERT INTO employees VALUES ( NULL, 'John', 'Smith');BINSERT INTO employees( first_name, last_name) VALUES( 'John', 'Smith');CINSERT INTO employees VALUES ( '1000', 'John', NULL);DINSERT INTO employees (first_name, last_name, employee_id) VALUES ( 1000, 'John', 'Smith');EINSERT INTO employees (employee_id) VALUES (1000);FINSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, 'John', ' ');

考题 单选题现有表book,字段:id(int),title(varchar),price(float);其中id字段设为标识,使用insert语句向book表中插入数据,以下语句错误的是()。A insert into book(id,title,price)values(1,’java’,100)B insert into book(title,price)values(’java’,100)C insert into book values(’java’,100)D insert book values(’java’,100)

考题 单选题现有表book,字段:id(int),title(varchar),price(float);其中id字段设为自增长的标识,使用insert语句向book表中插入数据,以下语句错误的是()。A insertintobook(id,title,price)values(1,’java’,100)B insertintobook(title,price)values(’java’,100)C insertintobookvalues(’java’,100)D insertbookvalues(’java’,100)

考题 单选题下列哪种方式可以在session中保存一个名为"name",值为"newer"的属性()A request.getSession().setAttribute(“name”,newer)B request.getSession().getAttribute(“ID”,id);C request.getSession().setParameter(“ID”,id);D request.getSession().getParameter(“ID”,id)

考题 多选题要在users表中插入一条新记录,下面语句正确的是()。AInsert Into users(id,user_name) Values(100, luhong)BInsert Into users(real_name,tel) Values(卢红,6545632)CInsert Into users(user_name,Email) Values(luhong, )DInsert Into users(user_name,Email) Values(luhong, NULL)

考题 单选题Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) HIRE_DATE DATE Which INSERT statement is valid?()A INSERT INTO employees (employee_id, first_name, last_name, hire_date) VALUES (1000, 'John', 'smith','01/01/01);B INSERT INTO employees(employee_id, first_name, last_name, hire_date) VALUES (1000, 'John', 'smith','01 january 01');C INSERT INTO employees(employee_id, first_name, last_name, Hire_date) VALUES (1000, 'John', 'smith', To_ date ('01/01/01));D INSERT INTO employees(employee_id, first_name, last_name, hire_date) VALUES (1000, 'John', 'smith','01-Jan-01');

考题 多选题Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements inserts a row into the table? ()AINSERT INTO employees VALUES (NULL, 'JOHN','Smith');BINSERT INTO employees( first_name, last_name) VALUES ('JOHN','Smith');CINSERT INTO employees VALUES ('1000','JOHN','NULL');DINSERT INTO employees(first_name,last_name, employee_id) VALUES ('1000, 'john','Smith');EINSERT INTO employees (employee_id) VALUES (1000);FINSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, 'john',);

考题 多选题现有表book,字段:id(int),title(varchar),price(float);其中id字段设为标识,使用insert语句向book表中插入数据,以下语句错误的是()。Ainsert into book (id,title,price) values(1,'java',100)Binsert into book (title,price) values('java',100)Cinsert into book values ('java',100) 这辆都不可以啊,如果不指定列需要明确的给出空值Dinsert book values('java',100)