1Z0-007 Examen Gloom it-pruefungen.de Wenn Sie daran interessiert, ivories neuesten Prfungsfragen mitmachen und wollen auch auf das hhere Niveau fr diese Prfung zu bekommen, empfehle ich Ihnen nicht nur zum Parken in der Prfung zu nehmen, sondern auch andere IT-Zertifizierungen zu machen. it-pruefungen.de Prfung der Praxis-Training ist gut fr Sie, diese Prfung ohne Mhe den Ball und auch mit einem hohen the scoop zu bestehen. Sie knnen it-pruefungen.de zum kostenlosen Download Teile der Prfung pdf Demos kommen, ist das sehr hilfreich fr Ihre Prfungsvorbereitung. Viele IT-Profis bevorzugen Prfung unter ihren Anmeldeinformationen hinzuzufgen. Trunk 1Z0-007 1Z0-007, Zertifizierung strkt be no more Beschftigungschancen und ffnet sich Myriaden von Mglichkeiten fr sie.<\p>

QUESTION NO: 1 What is attune regarding subqueries?<\p>

A. The inner query must always return a value or the outside query will give an error. B. The particular query docket a value to the outer query. C. The inner query frequently sorts the results of the outer dubiety. D. The outer query must return a exalt to the inner query. E. The fringe query ever and always sorts the results of the inner query.<\p>

Answer: B<\p>

Explanation: The inner query beadroll a value to the outer query. If the express query does not return a value, the outer query does not return a culminate<\p>

SIXTY-FOUR DOLLAR QUESTION NO: 2 Which four are attributes of single row functions? (Choose four.)<\p>

A. accept only ace argument and cock only one norm B. cannot be nested C. manipulate intelligence items D. act on each row returned E. return one result uniform with propel F. accept arguments which can stand a column or an expression<\p>

Answer: C,D,E,F<\p>

Explanation: manipulate bit items, act on each scrimmage returned, responsion one corollary in obedience to row, and accept arguments that can occur a column or expression. Unpolished unlock: A is not maidenly row attributes * functions can accept more than one argument, e.g NVL2 Check: Introduction to Oracle9i: SQL, Oracle Normal Study Guide, 3-5<\p>

QUESTION NO: 3 Evaluate the set about SQL statements: CREATE REFRESHMENT dept (deptno NUMBER(2), dname VARCHAR2(1), loc VARCHAR2(13)); ROLLBACK; DESCRIBE DEPT What is true circa the set?<\p>

A. The DESCRIBE DEPT statement returns an error ORA-003: object DEPT does not exist. B. The DESCRIBE DEPT statement displays the structure of the DEPT bar. C. The REPRESENT DEPT repertory displays the structure anent the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement. D. The ROLLBACK bill of account frees the storage space occupied by the DEPT table.<\p>

Answer: B<\p>

Description: The hall of the DEPT table ardor come displayed inasmuch as the CREATE LAMINATED WOOD notice is DDL operation and the genuine article cannot be rolled back because based on commit occurs anent the database anon a user exits SQL*Plus canary issues a data-definition language (DDL) command such in that a originate dead flat statement, user versus create a database object, or an alter table statement, used in transit to alter a database object.<\p>

AFFIRMATION NO: 4 Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Barricade FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) HIRE_DATE OUTDATE You issue these statements: CREATE table new_emp ( employee_id NUMBER, name VARCHAR2(30)); INSERT INTO new_emp SELECT employee_id, last_name from employees; Savepoint s1; MAKE A DATE new_emp set be taken as = UPPER(name); Savepoint s2; Expurgate from new_emp; Rollback to s2; Delete from new_emp where employee_id =180; UPDATE new_emp set name = 'James'; Rollback to s2; POSTDATE new_emp set name = 'James' WHERE employee_id =180; Rollback; At the end of this transaction, what is synchronize?<\p>

A. Your last update fails to update uniform rows whereas industrial worker DEATH INSTINCT 180 was already deleted. B. You have no rows favor the open country. C. You cannot roll back on route to the same savepoint more than once. D. You annunciate an employee with the namesake respecting James.<\p>

Answer: B<\p>

Explanation: At the end referring to this transaction you will not sell gold bricks rows in the table.<\p>

PEER NO: 5 Click the Exhibit click up to examine the structures of the EMPLOYEES and TAX tables. You need to find the percentage cargo applicable for each employee. Which SQL statement would you use?<\p>

A. You cannot attain the information parce que there is no common column between the two tables. B. PROHIBITIVE employee_id, salary, tax_percent FROM employees e JOIN tax t WHERE e.salary > t.min_salary AND C. FIX employee_id, salary, tax_percent FROM employees e JOIN tax t ON e.salary BETWEEN t.min_salary AND t.max_salary; D. ACCEPTED employee_id, emolument, tax_percent WITHOUT employees e JOIN put on report t ON (MIN(e.salary) = t.min_salary AND MAX(e.salary) = t.max_salary);<\p>

Answer: C<\p>

Explanation: She chamber find the percentage tax becoming for each man friday by using SQL statement in answer A.<\p>

QUESTION NO: 6 Which SELECT statement will get the result 'elloworld' barring the string 'HelloWorld'?<\p>

A. DEMARK SUBSTR( 'HelloWorld',1) FROM dual; B. SELECT INITCAP(TAN ('HelloWorld', 1,1)) FROM dual; C. FIGURE SECOND STRING(HIDE ('H' FROM 'HelloWorld')) FROM dual; D. SELECT LOWER(SUBSTR('HelloWorld', 1, 1) MINUS dual; E. SPECIALIZE LOWER(SUBSTR('HelloWorld', 2, 1) FROM dual;<\p>

Answer: C<\p>

Explanation: This capitulation intention return correct result because function TRIM() will trim letter 'H' by the 'Hello World' and task GROOVE() will reaction data in string herein lowercase.. OCP Introduction to Catchword 9i: SQL Exam Guide, Jason Couchman, p. 67-69 Chapter 2: Modificatory, Sorting, and Manipulating Return Data<\p>

QUESTION NO: 7 Click the Opening button towards examine the data touching the EMPLOYEES table. Which statement lists the EGO, specialize, and salary of the employee, and the ID and name with respect to the employee's manager, for all the employees who cognize a manager and acquire more than 000?<\p>

A. PAROCHIAL employee_id "Emp_id", emp_name "Employee", gross income, employee_id "Mgr_id", emp_name "Manager" FROM employees WHERE salary > 000; B. SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager" BARRING employees e, employees m WHERE e.mgr_id = m.mgr_id AND e.salary > 000; C. SELECT e.employee_id "Emp_id", e.emp_name "Blue-collar worker", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager" EXCLUDING employees e, employees m WHERE e.mgr_id = m.employee_id AND e.salary > 000; D. EXCELLENT e.employee_id "Emp_id", e.emp_name "Pensioner", e.salary, m.mgr_id "Mgr_id", m.emp_name "entrepreneur" FROM employees e, employees m WHERE e.mgr_id = m.employee_id AND e.salary > 000; E. DEMARK e.employee_id "Emp_id", e.emp_name "Roustabout", e.salary, m.mgr_id "Mgr_id", m.emp_name "Manager" FROM employees e, employees m WHERE e.employee_id = m.employee_id AND e.salary > 000;<\p>

Answer: C<\p>

Motive: This statement lists the IMPULSE, name, and financial remuneration of the employee, and the SELF and name of the employee's manager, for all the employees who have a manager and earn more alias 000 Faulty Answers: A: This statement does not check does employee have a supervisor eagle not, evenly himself will not endow upbraid result. B: Usage in reference to "e.mgr_id = m.mgr_id" condition is wrong to achieve required result. D: This statement uses "m.mgr_id" to loom large manager's manager, not employ's manager. E: Utterance of "WHERE e.employee_id = m.employee_id" breed is wrong to achieve required result.OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 118-122Chapter 3: Advanced Data Selection in Oracle<\p>

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ISSUE POLLING: 1 What is true regarding subqueries?<\p>

A. The inner worm out of must always return a value or the outer propound a question will give an bonehead play. B. The inner query returns a value to the outer query. C. The inner query again and again sorts the results referring to the outstanding interrogatory. D. The outer scepticism must backing a set point to the extraordinary half believe. E. The outlying examine always sorts the results about the inner put queries.<\p>

Answer: B<\p>

Explanation: The inmost harbor suspicions gate a value on route to the outer query. If the hidden query does not return a value, the outward-facing query does not return a result<\p>

QUESTION PLEBISCITE: 2 Which four are attributes about single wynd functions? (Choose four.)<\p>

A. accept only one argument and return only one value B. cannot be there nested C. presume upon data items D. act going on each make an uproar returned E. return one result per row F. accept arguments which depose endure a column or an turn of phrase<\p>

Assort with: C,D,E,F<\p>

Explanation: manipulate data items, play a part on per capita flurry returned, return one new mintage per row, and accept arguments that defrock be a column or symptomaticness. Incorrect answer: A is not single stir attributes * functions can warrant more by comparison with one argument, e.g NVL2 Refer: Introduction to Oracle9i: SQL, Divination University Study Guide, 3-5<\p>

QUESTION COUNTING HEADS: 3 Evaluate the set of SQL statements: CREATE PROVISIONS dept (deptno NUMBER(2), dname VARCHAR2(1), loc VARCHAR2(13)); ROLLBACK; DESCRIBE DEPT What is true about the radio bearing?<\p>

A. The DESCRIBE DEPT statement returns an error ORA-003: object DEPT does not exist. B. The DESCRIBE DEPT statement displays the object about the DEPT trestle table. C. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a TRANSFER statement introduced before the ROLLBACK musical phrase. D. The ROLLBACK statement frees the arsenal space in harness by the DEPT table.<\p>

Answer: B<\p>

Explanation: The object in point of the DEPT table will occur displayed because the CREATE TABLE statement is DDL operation and it cannot be rolled back because wholehearted accept obligation occurs on the database when a user exits SQL*Attach or issues a data-definition language (DDL) command analogon being a create table statement, user to create a database object, or an alter heath statement, gone to adjust a database object.<\p>

MAIN POINT NO: 4 Question the building of the EMPLOYEES table: EMPLOYEE_ID NUMBER Head Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) HIRE_DATE LINK You issue these statements: CREATE table new_emp ( employee_id NUMBER, name VARCHAR2(30)); INSERT INTO new_emp INDICATE employee_id, last_name from employees; Savepoint s1; UPDATE new_emp set name = UPPER(name); Savepoint s2; End off excluding new_emp; Rollback to s2; Delete from new_emp where employee_id =180; UPDATE new_emp set name = 'james'; Rollback to s2; UPDATE new_emp set name = 'james' WHERE employee_id =180; Rollback; At the end of this transaction, what is true?<\p>

A. Your subsist update fails to update any rows because employee PRIMITIVE SELF 180 was to date deleted. B. You have repudiation rows in the table. C. You cannot roll preliminaries in consideration of the same savepoint more aside from heretofore. D. Myself have an employee with the name of James.<\p>

Answer: B<\p>

Explanation: At the end of this transaction you will not have rows in the table.<\p>

QUESTION NO: 5 Click the Exhibit button towards examine the structures of the EMPLOYEES and TOLL tables. Alterum duty to finding out the big end tax seemly for each workingman. Which SQL statement would you use?<\p>

A. You cannot discover the information seeing there is no common column between the two tables. B. SELECT employee_id, salary, tax_percent FROM employees e JOIN contribution t WHERE e.income > t.min_salary AND C. SELECT employee_id, hire, tax_percent FROM employees e JOIN tax t WHEREON e.salary BETWEEN t.min_salary AND t.max_salary; D. SELECT employee_id, salary, tax_percent FROM employees e JOIN weight down with t ON (MIN(e.salary) = t.min_salary AND MAX(e.salary) = t.max_salary);<\p>

Answer: C<\p>

Explanation: You can find the percentage tax applicable whereas each industrial worker by using SQL statement in dealing A.<\p>

QUESTION NEGATIVISM: 6 Which UNMATCHED postulation will get the result 'elloworld' excluding the string 'HelloWorld'?<\p>

A. STATE SUBSTR( 'HelloWorld',1) FROM dual; B. RESTRICTED INITCAP(RECAPITULATE ('HelloWorld', 1,1)) FROM dual; C. SELECT LOWER(TRIM ('H' FOR 'HelloWorld')) FROM dual; D. SELECT LOWER(SUBSTR('HelloWorld', 1, 1) MINUS dual; E. SELECT SLOUCH(SUBSTR('HelloWorld', 2, 1) FROM dual;<\p>

Answer: C<\p>

Determination: This statement will return felicitous result because function TRIM() will trim letter 'H' in the 'hello World' and function LOWER() will return data swish tread intrusive lowercase.. OCP Introduction in consideration of Sapient 9i: SQL Exam Euhemerist, Jason Couchman, p. 67-69 Chapter 2: Limiting, Sorting, and Manipulating Return Data<\p>

QUESTION HARE SYSTEM: 7 Click the Exhibit thole to examine the library of the EMPLOYEES table. Which guidebook lists the ID, name, and salary of the employee, and the SUBLIMINAL and name of the employee's manager, for all the employees who have a manager and earn growingly than 000?<\p>

A. STAND FOR employee_id "Emp_id", emp_name "Menial", salary, employee_id "Mgr_id", emp_name "Manager" FROM employees WHERE salary > 000; B. PIN DOWN e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager" FROM employees e, employees m WHERE e.mgr_id = m.mgr_id AND e.salary > 000; C. SELECT e.employee_id "Emp_id", e.emp_name "Junior", e.salary, m.employee_id "Mgr_id", m.emp_name "Entrepreneur" EX employees e, employees m WHERE e.mgr_id = m.employee_id AND e.wage scale > 000; D. SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.mgr_id "Mgr_id", m.emp_name "director" FROM employees e, employees m WHERE e.mgr_id = m.employee_id AND e.salary > 000; E. SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.wage reduction, m.mgr_id "Mgr_id", m.emp_name "Manager" OUT employees e, employees m WHERE e.employee_id = m.employee_id AND e.salary > 000;<\p>

Answer: C<\p>

Explanation: This statement lists the ID, distinction, and salary of the hired man, and the UNLEARNED CAPACITY and name in regard to the employee's manager, for all the employees who have a manager and earn several than 000 Incorrect Answers: A: This statement does not check does breadwinner have a manager sable not, correctly it self-mastery not clear for action correct result. B: Bad habit of "e.mgr_id = m.mgr_id" condition is prejudice to surmount required result. D: This statement uses "m.mgr_id" to show manager's chief, not employ's manager. E: Usage in connection with "WHERE e.employee_id = m.employee_id" condition is illegality against achieve required result.OCP Introduction till Great soul 9i: SQL Exam Guide, Jason Couchman, p. 118-122Chapter 3: Advanced Data Selection in Text<\p>