Download Oracle Database 11g: Program with PL-SQL.1z0-144.CertKiller.2019-10-29.63q.vcex
| Vendor: | Oracle |
| Exam Code: | 1z0-144 |
| Exam Name: | Oracle Database 11g: Program with PL/SQL |
| Date: | Oct 29, 2019 |
| File Size: | 4 MB |
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Demo Questions
Question 1
Examine the following command:
SQL>ALTER SESSION
SET plsql_warnings *
'enable: severe',
'enable: performance',
'ERROR: 05003';
What is the implication of the above command?
- It issues a warning whenever ERROR: 05003 occur during compilation.
- It causes the compilation to fail whenever the warning ERROR.05003 occurs.
- It issues warnings whenever the code causes an unexpected action or wrong results performance problems.
- It causes the compilation to fail whenever the code gives wrong results or contains statements that are never executed.
Correct answer: B
Question 2
Which two tasks should be created as functions instead of as procedures? (Choose two.)
- Reference host or bind variables in a PL/SQL block of code
- Tasks that compute and return multiple values to the calling environment
- Tasks that compute a value that must be returned to the calling environment
- Tasks performed in SQL that increase data independence by processing complex data analysis within the Oracle server, rather than by retrieving the data into an application
Correct answer: CD
Question 3
View Exhibit 1 and examine the structure of the EMPLOYEES table.
View Exhibit 2 and examine the code.
What would be the outcome when the code is executed?
- It executes successfully.
- It gives an error because the SAL variable is not visible in the INCREASE function.
- It gives an error because the INCREASE function cannot be called from the RAISE_SALARY procedure.
- It gives an error because the INCREASE function and the RAISE_SALARY procedure should be declared at the beginning of the DECLARE section before all the other declarations.
Correct answer: A
Question 4
What is the correct definition of the persistent state of a packaged variable?
- It is a private variable defined in a procedure or function within a package body whose value is consistent within a user session.
- It is a public variable in a package specification whose value is consistent within a user session.
- It is a private variable in a package body whose value is consistent across all current active sessions.
- It is a public variable in a package specification whose value is always consistent across all current active sessions.
Correct answer: B
Question 5
Examine the following block of code:
Which line in the above code would result in errors upon execution?
- line 5
- line 8
- line 2
- line 7
Correct answer: B
Question 6
Which statements are true about PL/SQL procedures? (Choose two.)
- Users with definer's rights who are granted access to a procedure that updates a table must be granted access to the table itself.
- Reuse of parsed PL/SQL code that becomes available in the shared SQL area of the server avoids the parsing overhead of SQL statements at run time.
- Depending on the number of calls, multiple copies of the procedure are loaded into memory for execution by multiple users to speed up performance.
- A PL/SQL procedure executing on the Oracle database can call an external procedure or function that is written in a different programming language, such as C or Java.
Correct answer: BD
Question 7
The STRING_TAB table has the following structure:
View the Exhibit and examine the code.
What is the outcome on execution?
- It displaysOutput buffer not long enough.This is my test string.-.
- It displays onlyOutput buffer not long enough. and exits the anonymous block.
- It displays onlyThis is my test string. – because EXCEPTION should have been defined in the anonymous block to get the error message.
- It does not display any of the DBMS_OUTPUT messages and gives an error because a transaction control statement cannot be used in the exception section of a procedure.
Correct answer: C
Question 8
Identify two situations where the DBMS_SQL package should be used. (Choose two.)
- The SELECT list is not known until run time.
- The dynamic SQL statement retrieves rows into records.
- You do not know how many columns a SELECT statement will return, or what their data types will be.
- You must use the % FOUND SQL cursor attribute after issuing a dynamic SQL statement that is an INSERT or UPDATE statement.
Correct answer: AC
Question 9
View the Exhibit and examine the code.
Why does the code give an error on execution?
- because the WORD_LIST variable is not visible in PROCEDURE WORDING
- because the LEXICON variable is not visible in PROCEDURE ADD_ENTRY
- because the LEXICON variable is not initialized in PROCEDURE WORDING
- because the WORD_LIST parameter in IN OUT mode cannot be of a RECORD data type
Correct answer: A
Question 10
View the Exhibit and examine the structure of the AUDIT_CUST table.
CUST_ID and CUST_CREDIT_LIMIT are existing columns in the CUSTOMER table.
Examine the following trigger code:
Which statement is true about the above trigger?
- It gives an error on compilation because it should be a statement-level trigger.
- It compiles and fires successfully when the credit limit is updated in the customer table.
- It gives an error on compilation because of the commit command in the trigger code.
- It compiles successfully, but gives an error when the credit limit is updated in the CUSTOMER table because the PRAGMA AUTONOMOUS_TRANSACTION statement should be introduced in the trigger.
Correct answer: D
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