RELIABLE 1Z0-082 EXAM ANSWERS - ORACLE DATABASE ADMINISTRATION I REALISTIC VALID EXAM SIMS PASS GUARANTEED

Reliable 1Z0-082 Exam Answers - Oracle Database Administration I Realistic Valid Exam Sims Pass Guaranteed

Reliable 1Z0-082 Exam Answers - Oracle Database Administration I Realistic Valid Exam Sims Pass Guaranteed

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Oracle Database Administration I Sample Questions (Q62-Q67):

NEW QUESTION # 62
Which two statements are true about the rules of precedence for operators? (Choose two.)

  • A. Arithmetic operators with equal precedence are evaluated from left to right within an expression
  • B. NULLS influence the precedence of operators in an expression
  • C. Multiple parentheses can be used to override the default precedence of operators in an expression
  • D. The + binary operator has the highest precedence in an expression in a SQL statement
  • E. The concatenation operator | | is always evaluated before addition and subtraction in an expression

Answer: A,C

Explanation:
Reference:
https://docs.oracle.com/cd/A87860_01/doc/server.817/a85397/operator.htm Precedence is the order in which Oracle evaluates different operators in the same expression. When evaluating an expression containing multiple operators, Oracle evaluates operators with higher precedence before evaluating those with lower precedence. Oracle evaluates operators with equal precedence from left to right within an expression.


NEW QUESTION # 63
Table ORDER_ITEMScontains columns ORDER_ID, UNIT_PRICEand QUANTITY, of data type NUMBER.
Examine these SQL statements:
Statement 1:
SELECT MAX(unit_price * quantity) "Maximum Order"
FROM order_items;
Statement 2:
SELECT MAX(unit_price * quantity) "Maximum Order"
FROM order_items
GROUP BY order_id;
Which two statements are true?

  • A. Both statements will return NULL if either UNIT_PRICE or QUANTITY contains NULL.
  • B. Statement 2 returns only one row of output.
  • C. Statement 1 returns only one row of output.
  • D. Statement 2 may return multiple rows of output.
  • E. Both the statements give the same output.

Answer: A,D


NEW QUESTION # 64
The ORCL database has RESUMABLE__TIMEOUT = 7200 and DEFERRED_SEGMENT_CREATION = FALSE User U1 has a 1 MB quota in tablespace DATA.
U1 executes this command:
SQL> CREATE TABLE t1 AS
(SELECT object_name, sharing, created
FROM dba_objects);
U1 complains that the command is taking too long to execute.
In the alert log, the database administrator (DBA) finds this:
2017/3/6 14:45:17
statement in resumable session 'User U1(136), Session 1, Instance 1' was suspended due to ORA-01536: space quota exceeded for tablespace 'DATA' Which are three actions any one of which the DBA could take to resume the session? (Choose three.)

  • A. Add a data file to DATA
  • B. Set DEFERRED_SEGMENT_CREATION to TRUE
  • C. Increase U1's quota sufficiently in DATA
  • D. Set AUTOEXTEND ON for data files in DATA
  • E. Drop other U1 objects in DATA
  • F. Grant UNLIMITED TABLESPACE to U1

Answer: B,C,D


NEW QUESTION # 65
Which two statements are true about the WHERE and HAVING clauses in a SELECT statement? (Choose two.)

  • A. Aggregating functions and columns used in HAVING clauses must be specified in the SELECT list of a query
  • B. WHERE and HAVING clauses can be used in the same statement only if applied to different table columns
  • C. The HAVING clause can be used with aggregating functions in subqueries
  • D. The WHERE clause can be used to exclude rows after dividing them into groups
  • E. The WHERE clause can be used to exclude rows before dividing them into groups

Answer: C,E


NEW QUESTION # 66
You need to calculate the number of days from 1st January 2019 until today.
Dates are stored in the default format of DD-MON-RR.
Which two queries give the required output? (Choose two.)

  • A. SELECT ROUND(SYSDATE ?TO_DATE(`01/JANUARY/2019')) FROM DUAL;
  • B. SELECT SYSDATE ?TO_DATE('01-JANUARY-2019') FROM DUAL;
  • C. SELECT ROUND(SYSDATE ?'01-JAN-2019') FROM DUAL;
  • D. SELECT TO_CHAR(SYSDATE, `DD-MON-YYYY') ?'01-JAN-2019' FROM DUAL;
  • E. SELECT TO_DATE(SYSDATE, `DD/MONTH/YYYY') ?`01/JANUARY/2019' FROM DUAL;

Answer: C,D


NEW QUESTION # 67
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