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单选题
A programmer wants to generate values for a numeric ID column in their EXPENSE table. The ID column values need to be incremented by 1000 for each new expense report added to the EXPENSE table. Which DB2 object can be referenced by an INSERT statement to meet thisrequirement?()
A
Sequence
B
Table Function
C
Identity Column
D
INSTEAD OF Trigger
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更多 “单选题A programmer wants to generate values for a numeric ID column in their EXPENSE table. The ID column values need to be incremented by 1000 for each new expense report added to the EXPENSE table. Which DB2 object can be referenced by an INSERT statement to meet thisrequirement?()A SequenceB Table FunctionC Identity ColumnD INSTEAD OF Trigger” 相关考题
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A programmer wants to generate values for a numeric ID column in their EXPENSE table. The ID column values need to be incremented by 1000 for each new expense report added to the EXPENSE table. Which DB2 object can be referenced by an INSERT statement to meet thisrequirement?()A.SequenceB.Table FunctionC.Identity ColumnD.INSTEAD OF Trigger
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A programmer wants to generate values for a numeric ID column in their EXPENSE table. The ID column values need to be incremented by 1000 for each new expense report added to the EXPENSE table. Which DB2 object can be referenced by an INSERT statement to meet thisrequirement?()A、SequenceB、Table FunctionC、Identity ColumnD、INSTEAD OF Trigger
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@sort B
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多选题Given two different character sets (A and B), which of the following must be true for A to be considered a strict superset of B?()AA must contain all of the characters defined in BBA must be UnicodeCThe encoded values in A must match the encoded values in B for all characters defined in BDA must be a multibyte character setEThe encoded values in A must match the encoded values in B for all numeric and alphabetic characters in B
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insert into book(id,title,price)values(1,’java’,100)B
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INSERT INTO employees VALUES (emp_id_seq.NEXTVAL, 'ename', 'jobid', 2000, NULL, did);B
INSERT INTO employees VALUES (emp_id_seq.NEXTVAL, 'ename', 'jobid', 2000, NULL, did IN (20,50));C
INSERT INTO (SELECT * FROM employees WHERE department_id IN (20,50)) VALUES (emp_id_seq.NEXTVAL, 'ename', 'jobid', 2000, NULL, did);D
INSERT INTO (SELECT * FROM employees WHERE department_id IN (20,50) WITH CHECK OPTION) VALUES (emp_id_seq.NEXTVAL, 'ename', 'jobid', 2000, NULL, did);E
INSERT INTO (SELECT * FROM employees WHERE (department_id = 20 AND department_id = 50) WITH CHECK OPTION ) VALUES (emp_id_seq.NEXTVAL, 'ename', 'jobid', 2000, NULL, did);
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
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
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');
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