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）
Examine the statement： SQL> CREATE TABLESPACE user_data 2> EXTENT MANAGEMENT LOCAL 3> SEGMENT SPACE MANAGEMENT AUTO； Which twp assumptions must be true for this statement to execute successfully？（）
- A、Oracle Managed Files are used for this instance.
- B、The USER_DATA tablespace is managed using FET$/UET$ tables.
- C、The COMPATIBLE initialization parameter must be 9.0.0 or higher.
- D、Space within segments in the USER_DATA tablespace is managed with freelists.
参考答案
更多 “ Examine the statement： SQL CREATE TABLESPACE user_data 2 EXTENT MANAGEMENT LOCAL 3 SEGMENT SPACE MANAGEMENT AUTO； Which twp assumptions must be true for this statement to execute successfully？（）A、Oracle Managed Files are used for this instance.B、The USER_DATA tablespace is managed using FET$/UET$ tables.C、The COMPATIBLE initialization parameter must be 9.0.0 or higher.D、Space within segments in the USER_DATA tablespace is managed with freelists.” 相关考题
考题
View the Exhibit to examine the Automatic SQL Tuning result details.Which action would you suggest for the selected SQL statement in the Exhibit?()
A. Accept the recommended SQL profile.B.Collect statistics for the related objects.C. Run the Access Advisor for the SQL statement.D. Run the Segment Advisor for recommendations.
考题
Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa > You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）A. An error is returned.B. You are prompted to enter a new value.C. A report is produced that matches the first report produced.D. You are asked whether you want a new value or if you want to run the report based on the previous value.
考题
Examine the following command that is executed for the TRANSPORT table in the SH schema:Which statement describes the significance of this command?()
A. It collects statistics into the pending area in the data dictionaryB. It creates a virtual hidden column in the CUSTOMERS_OBE tableC. It collects statistics with AUTO_SAMPLE_SIZE for ESTIMATE_PERCENTD. It creates a histogram to hold skewed information about the data in the columns
考题
Examine the data from the ORDERS and CUSTOMERS tables.Evaluate the SQL statement:What is the result when the query is executed?()
A.B.C.D. The query fails because the subquery returns more than one row.E. The query fails because the outer query and the inner query are using different tables.
考题
Exhibit:Examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?()
A. The SELECT statement is syntactically accurate.B. The SELECT statement does not work because there is no HAVING clause.C. The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.D. The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.
考题
Examine the structure of the EMPLOYEES table:You need to update the records of employees 103 and 115. The UPDATE statement you specify should update the rows with the values specified below:Which UPDATE statement meets the requirements?（）A.B.C.D.E.
考题
Examine the structure of the STUDENTS table:You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999.Which SQL statement accomplishes this task?（）A.B.C.D.
考题
Examine the data in the EMPLOYEES table.On the EMPLOYEES table, EMPLOYEE_ID is the primary key. MGR_ID is the ID of managers and refers to the EMPLOYEE_ID. The JOB_ID column is a NOT NULL column.Evaluate this DELETE statement:Why does the DELETE statement fail when you execute it?（）A. There is no row with dept_id 90 in the EMPLOYEES table.B. You cannot delete the JOB_ID column because it is a NOT NULL column.C. You cannot specify column names in the DELETE clause of the DELETE statement.D. You cannot delete the EMPLOYEE_ID column because it is the primary key of the table.
考题
Examine the data in the EMPLOYEES and EMP_HIST tables:The EMP_HIST table is updated at the end of every year. The employee ID, name, job ID, and salary of each existing employee are modified with the latest data. New employee details are added to the table.Which statement accomplishes this task?（）A.B.C.D.
考题
Examine the structure if the EMPLOYEES and NEW EMPLOYEES tables:Which MERGE statement is valid?()
A.B.C.D.
考题
Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables:Which UPDATE statement is valid?()
A.B.C.D.
考题
Examine the description of the MARKS table:SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects.Examine this SELECT statement based on the MARKS table:What is the result of the SELECT statement?（）A. The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.B. The statement returns an error at the SELECT clause.C. The statement returns an error at the WHERE clause.D. The statement returns an error at the ORDER BY clause.
考题
Examine the structure of the EMPLOYEES and DEPARTMENTS tables:Evaluate this SQL statement:Which SQL statement is equivalent to the above SQL statement?()
A.B.C.D.
考题
Examine the data in the EMPLOYEES and DEPARTMENTS tables:Also examine the SQL statements that create the EMPLOYEES and DEPARTMENTS tables:On the EMPLOYEES table, EMPLOYEE_ID is the primary key.MGR_ID is the ID of managers and refers to the EMPLOYEE_ID.DEPT_ID is foreign key to DEPARTMENT_ID column of the DEPARTMENTS table.On the DEPARTMENTS table, DEPARTMENT_ID is the primary key.Examine this DELETE statement:What happens when you execute the DELETE statement?（）A. Only the row with department ID 40 is deleted in the DEPARTMENTS table.B. The statement fails because there are child records in the EMPLOYEES table with department ID 40.C. The row with department ID 40 is deleted in the DEPARTMENTS table. Also the rows with employee IDs 110 and 106 are deleted from the EMPLOYEES table.D. The row with department ID 40 is deleted in the DEPARTMENTS table. Also the rows with employee IDs 106 and 110 and the employees working under employee 110 are deleted from the EMPLOYEES table.E. The row with department ID 40 is deleted in the DEPARTMENTS table. Also all the rows in the EMPLOYEES table are deleted.F. The statement fails because there are no columns specifies in the DELETE clause of the DELETE statement.
考题
Examine the data from the ORDERS and CUSTOMERS table.Which SQL statement retrieves the order ID, customer ID, and order total for the orders that are placed on the same day that Martin places his orders?（）A.B.C.D.
考题
Click the Exhibit button and examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?（）A.The SELECT statement is syntactically accurate.B.The SELECT statement does not work because there is no HAVING clause.C.The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.D.The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.
考题
Click the Exhibit button and examine the data in the EMPLOYEES table.On the EMPLOYEES table, EMPLOYEE_ID is the primary key. MGR_ID is the ID of managers and refers to the EMPLOYEE_ID. The JOB_ID column is a NOT NULL column.Evaluate this DELETE statement:DELETE employee_id, salary, job_idFROM employeesWHERE dept_id = 90;Why does the DELETE statement fail when you execute it?（）A.There is no row with dept_id 90 in the EMPLOYEES table.B.You cannot delete the JOB_ID column because it is a NOT NULL column.C.You cannot specify column names in the DELETE clause of the DELETE statement.D.You cannot delete the EMPLOYEE_ID column because it is the primary key of the table.
考题
Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS tables.Evaluate the SQL statement:SELECT *FROM ordersWHERE cust_id = (SELECT cust_idFROM customersWHERE cust_name = ‘Smith‘);What is the result when the query is executed?（）A.AB.BC.CD.DE.E
考题
Examine this statement： RMAN BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus1 DATABASE filesperset = 2； What state must the target database be in for you to use this RMAN command？（）A、The target database must be open.B、The target database must be closed.C、The target database must be mounted.D、The target database must be mounted or open.
考题
单选题Examine the statement:Create synonym emp for hr. employees;What happens when you issue the statement?（）A
An error is generated.B
You will have two identical tables in the HR schema with different names.C
You create a table called employees in the HR schema based on you EMP table.D
You create an alternative name for the employees table in the HR schema in your own schema.
考题
单选题View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables. Evaluate the following SQL statement： SELECT oi.order_id， product_jd， order_date FROM order_items oi JOIN orders o USING （order_id）； Which statement is true regarding the execution of this SQL statement？（）A
The statement would not execute because table aliases are not allowed in the JOIN clause.B
The statement would not execute because the table alias prefix is not used in the USING clause.C
The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.D
The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.
考题
单选题Examine the description of the MARKS table: STD_ID NUMBER(4) STUDENT_NAME VARCHAR2(30) SUBJ1 NUMBER(3) SUBJ2 NUMBER(3) SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects. Examine this SELECT statement based on the MARKS table: SELECT subj1+subj2 total_marks, std_id FROM marks WHERE subj1 AVG(subj1) AND subj2 AVG(subj2) ORDER BY total_ marks; What is the result of the SELECT statement?（）A
The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.B
The statement returns an error at the SELECT clause.C
The statement returns an error at the WHERE clause.D
The statement returns an error at the ORDER BY clause.
考题
多选题Examine the SQL statement that creates ORDERS table: CREATE TABLE orders (SER_NO NUMBER UNIQUE, ORDER_ID NUMBER, ORDER_DATE DATE NOT NULL, STATUS VARCHAR2(10) CHECK (status IN ('CREDIT', 'CASH')), PROD_ID NUMBER REFERENCES PRODUCTS(PRODUCT_ID), ORD_TOTAL NUMBER, PRIMARY KEY (order_id, order_date)); For which columns would an index be automatically created when you execute the above SQL statement? （）ASER_NOBORDER_IDCSTATUSDPROD_IDEORD_TOTALFcomposite index on ORDER_ID and ORDER_DATE
考题
单选题Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?（）A
An error is returned.B
You are prompted to enter a new value.C
A report is produced that matches the first report produced.D
You are asked whether you want a new value or if you want to run the report based on the previous value.
考题
多选题Examine the SQL statement that creates ORDERS table: CREATE TABLE orders (SER_NO NUMBER UNIQUE, ORDER_ID NUMBER, ORDER_DATE DATE NOT NULL, STATUS VARCHAR2(10) CHECK (status IN ('CREDIT', 'CASH')), PROD_ID NUMBER REFERENCES PRODUCTS(PRODUCT_ID), ORD_TOTAL NUMBER, PRIMARY KEY (order_id, order_date)); For which columns would an index be automatically created when you execute the above SQL statement? （）ASER_NOBORDER_IDCSTATUSDPROD_IDEORD_TOTALFcomposite index on ORDER_ID and ORDER_DATE
考题
多选题Examine the statement： SQL CREATE TABLESPACE user_data 2 EXTENT MANAGEMENT LOCAL 3 SEGMENT SPACE MANAGEMENT AUTO； Which twp assumptions must be true for this statement to execute successfully？（）AOracle Managed Files are used for this instance.BThe USER_DATA tablespace is managed using FET$/UET$ tables.CThe COMPATIBLE initialization parameter must be 9.0.0 or higher.DSpace within segments in the USER_DATA tablespace is managed with freelists.
考题
单选题Examine the statement： DROP TABLESPACE IND2 INCLUDING CONTENTS AND DATAFILES； What is the result of the statement？（）A
AB
BC
CD
D
考题
多选题Examine the SQL statements that creates ORDERS table: For which columns would an index be automatically created when you execute the above SQL statement? （）ASER_NOBORDER_IDCSTATUSDPROD_IDEORD_TOTALFComposite index on ORDER_ID and ORDER_DATE
热门标签
最新试卷
