多选题 Choose two. You have been granted the CREATE ANY INDEX system privilege. You want to create an index, owned by you, on a table in another schema to which you have been granted only the SELECT privilege. Which two are true?
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单选题 Choose the best answer. Why would you use the TNSPING hr command?
单选题 Choose the best answer. Examine the description of the EMPLOYEES table: Name Null? Type SALARY NOT NULL NUMBER (38) DEPARTMENT_ID NOT NULL NUMBER(38)
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EMPLOYEE_ID NOT NULL NUMBER(38)
Which statement increases each employee's SALARY by the minimum SALARY for their DEPARTMENT_ID?
单选题 Choose ONE. A script abc.sql must be executed to perform a certain task. User HR password HR exists in the target database and the account is unlocked. The TNSNAMES.ORA file is up to date. Examine this command attempted by the user: $ sqlplus hr/hr@orc1 @abc What will happen and why?
单选题 Choose the best answer. Examine the description of the EMPLOYEES table: Name Null? Type - EMPLOYEE_ID NOT NULL NUMBER(38) SALARY NOT NULL NUMBER(38) DEPARTMENT_ID Which statement increases each employee's SALARY by the minimum SALARY for their DEPARTMENT_ID?
单选题 In one of your databases, the user HR has the password HRMGR. You want to connect to a database instance whose listener listens on port 1531 by using this statement: CONNECT HR/HRMGR@orcl No name server is used. Which statement is true about ORCL?
单选题 Choose the best answer. Examine this statement which executes successfully: INSERT ALL WHEN SAL > 20000 THEN INTO special_sal VALUES (EMP_ID, SAL) ELSE INTO sal_history VALUES (EMP_ID, HIREDATE, SAL) INTO mgr_history VALUES (EMP_ID, MGR ,SAL) SELECT employee_id EMP_ID , hire_date HIREDATE, salary SAL, manager_id MGR FROM employees WHERE employee_id < 125; . Which is true?
单选题 Choose the best answer. Table HR. EMPLOYEES contains a row where the EMPLOYEE_ID is 109. User ALICE has no privileges to access HR . EMPLOYEES. User ALICE starts a session. User HR starts a session and successfully executes these statements: GRANT DELETE ON employees TO alice; UPDATE employees SET salary = 24000 WHERE employee_id = 109; In her existing session ALICE then executes: DELETE FROM hr.employees WHERE employee_id = 109; What is the result?
单选题 Examine this command and some partial output: Why does the DB01.abc.com service show unknown status?