当前分类： 1Z0-007
问题：单选题Evaluate these two SQL statements: SELECT last_name, salary , hire_date FROM EMPLOYEES ORDER BY salary DESC; SELECT last_name, salary , hire_date FROM EMPLOYEESORDER BY 2 DESC; What is true about them?（）A The two statements produce identical results.B ...
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问题：单选题The EMPLOYEES table contains these columns: LAST_NAME VARCHAR2 (25) SALARY NUMBER (6,2) COMMISSION_PCT NUMBER (6) You need to write a query that will produce these results: 1.Display the salary multiplied by the commission_pct. 2.Exclude employees with...
问题：Evaluate the SQL statement DROP TABLE DEPT: Which four state...
问题：单选题What does the TRUNCATE statement do?（）A Removes the tableB Removes all rows from a tableC Shortens the table to 10 rowsD Removes all columns from a tableE Removes foreign keys from a table...
问题：Evaluate the SQL statement: 1 SELECT a.emp_name, a.sal, a.de...
问题：多选题Which four are types of functions available in SQL? （）AstringBcharacterCintegerDcalendarEnumericFtranslationGdateHconversion...
问题：单选题Evaluate the SQL statement: SELECT ROUND(TRUNC(MOD(1600,10),-1),2) FROM dual; What will be displayed?（）A 0B 1C 0.00D An error statement...
问题：多选题Which four are correct guidelines for naming database tables? （）AMust begin with either a number or a letter.BMust be 1-30 characters long.CShould not be an Oracle Server reserved word.DMust contain only A-Z, a-z, 0-+, _, *, and #.EMust contain only A-...
问题：单选题The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_NAME VARCHAR2(100) NOT NULL STREET_ADDRESS VARCHAR2(150) CITY_ADDRESS VARCHAR2(50) STATE_ADDRESS VARCHAR2(50) PROVINCE_ADDRESS VARCHAR2(50) COUNTRY_ADDRESS VARCHAR2(50) POST...
问题：单选题Evaluate these two SQL statements: SELECT last_name, salary , hire_date FROM EMPLOYEES ORDER BY salary DESC; SELECT last_name, salary , hire_date FROM EMPLOYEES ORDER BY 2 DESC; What is true about them?（）A The two statements produce identical results.B...
问题：多选题Evaluate the SQL statement DROP TABLE DEPT; Which four statements are true of the SQL statement? （）AYou cannot roll back this statement.BAll pending transactions are committed.CAll views based on the DEPT table are deleted.DAll indexes based on the DEP...
问题：多选题The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_NAME VARCHAR2(100) NOT NULL STREET_ADDRESS VARCHAR2(150) CITY_ADDRESS VARCHAR2(50) STATE_ADDRESS VARCHAR2(50) PROVINCE_ADDRESS VARCHAR2(50) COUNTRY_ADDRESS VARCHAR2(50) POST...
问题：单选题You need to display the last names of those employees who have the letter "A" as the second character in their names. Which SQL statement displays the required results? （）A SELECT last_name FROM EMP WHERE last_ name LIKE '_A%';B SELECT last_name FROM E...
问题：单选题Which data dictionary table should you query to view the object privileges granted to the user on specific columns?（）A USER_TAB_PRIVS_MADEB USER_TAB_PRIVSC USER_COL_PRIVS_MADED USER_COL_PRIVS...
问题：多选题Which two statements accurately describe a role? （）AA role can be given to a maximum of 1000 users.BA user can have access to a maximum of 10 roles.CA role can have a maximum of 100 privileges contained in it.DPrivileges are given to a role by using th...
问题：多选题Which three SELECT statements displays 2000 in the format "$2,000.00"? （）ASELECT TO CNAR(2000, '$#,###.##') FROM dual;BSELECT TO CNAR(2000, '$0,000.00') FROM dual;CSELECT TO CNAR(2000, '$9,999.00') FROM dual;DSELECT TO CNAR(2000, '$9,999.99') FROM dual...
问题：单选题Evaluate the SQL statement:SELECT ROUND(45.953, -1), TRUNC(45.936, 2)FROM dual;Which values are displayed?（）A 46 and 45B 46 and 45.93C 50 and 45.93D 50 and 45.9E 45 and 45.93F 45.95 and 45.93...
问题：单选题You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?（）A ALTER TABLE students ADD PRIMARY KEY student_id;B ALTER TABLE students ADD CONSTRAINT PRIMARY K...
问题：单选题Which are iSQL*Plus commands? （）A INSERTB UPDATEC SELECTD DESCRIBEE DELETEF RENAME...
