当前分类： 1Z0-007
问题：单选题You need to calculate the total of all salaries in the accounting department. Which group function should you use? （）A MAXB MINC SUMD COUNTE TOTALF LARGEST...
查看答案
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 ...
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：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 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Which are iSQL*Plus commands? （）A INSERTB UPDATEC SELECTD DESCRIBEE DELETEF RENAME...
问题：Evaluate the SQL statement: 1 SELECT a.emp_name, a.sal, a.de...
问题：多选题Which two statements are true regarding the default behavior of the ORDER BY clause? （）ANull values are left out of the sort.BCharacter values are displayed from Z to ACDate values are displayed with the earliest value first.DNull values are displayed ...
问题：单选题You are granted the CREATE VIEW privilege. What does this allow you to do?（）A Create a table view.B Create a view in any schema.C Create a view in your schema.D Create a sequence view in any schema.E Create a view that is accessible by everyone.F Creat...
问题：多选题Which three statements about subqueries are true? （）AA main query can have more than one subquery.BA subquery can have more than one main query.CThe subquery and main query must retrieve data from the same table.DThe subquery and main query can retriev...
问题：Which SQL statement would you use to remove a view called EM...
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：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Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"?（）A SELECT TO_CHAR(SYSDATE,'yyyy') FROM dual;B SELECT TO_DATE(SYSDATE,'yyyy') FROM dual;C SELECT DECODE(SUBSTR(SYSDATE, 8), 'YYYY') FROM ...
问题：Evaluate the SQL statement DROP TABLE DEPT: Which four state...
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(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Which statement describes the ROWID data type? （）A Binary data up to 4 gigabytes.B Character data up to 4 gigabytes.C Raw binary data of variable length up to 2 gigabytes.D Binary data stored in an external file, up to 4 gigabytes.E A hexadecimal strin...
问题：Which two are character manipulation functions?（）...
