000-913 Exam

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Exam : IBM 000-913
Title : Informix 4GL Development


1. Click the <<ItemExhibitName>> button to view the exhibit.
Given the exhibit, what is the stock_curs cursor being used to do?
A. supply an "index of primary keys" to the stock_all_curs
B. lock the current row of data in the database table to prevent the data from becoming stale
C. check if any new rows have been inserted into the table since the stock_all_curs was last opened
D. fetch the complete row of data from the database for the primary key supplied by the stock_all_curs
Answer: A

2. Click the <<ItemExhibitName>> button to view the exhibit.
Given the segment of code in the exhibit, what is the appropriate text for the variable what_error_message?
A. The serial number you entered is not valid.
B. Duplicate equipment records are not allowed.
C. Equipment was not found, please re-enter the serial number.
D. Null values are not allowed in name, serial number, make, or model fields.
Answer: B

3. Why will preparing UPDATE and DELETE statements increase their execution speed?
A. UPDATE and DELETE statements can NOT be prepared.
B. The rows of the tables being selected will be cached in memory if the statement is prepared.
C. Prepared statements are checked for syntax and optimized at prepare time, not at execution time.
D. Memory is allocated for the results set which will be returned from the SELECT statement at prepare time.
Answer: C

4. Click the <<ItemExhibitName>> button to view the exhibit.
Given the form in the exhibit, which code segment would properly add 10 to the input contents of field a and display the results in field b?
A. AFTER FIELD a
LET r_record.b = r_record.a + 10
DISPLAY BY NAME r_record.b
B. BEFORE INPUT
LET r_record.b = r_record.a + 10
DISPLAY BY NAME r_record.b
C. AFTER FIELD a
NEXT FIELD b
LET r_record.b = r_record.a + 10
D. ON KEY (F3)
NEXT FIELD a
LET r_record.b = r_record.a + 10
Answer: A

5. Which statements will be interrupted if the DEFER INTERRUPT statement has been executed and the user presses the interrupt key?
A. INPUT
B. CONSTRUCT
C. INPUT ARRAY
D. OPEN CURSOR
E. START REPORT
Answer: ABC

6. Which are valid INFORMIX-4GL function types?
A. MAIN
B. DEFINE
C. REPORT
D. INCLUDE
E. OPTIONS
F. GLOBALS
G. FUNCTION
Answer: ACFG

7. Click the <<ItemExhibitName>> button to view the exhibit.
Given the exhibit, which rows will the DELETE statement delete?
A. all of the rows
B. all rows except those rows with a stock_num equal to five
C. only those rows with descriptions of baseball and football
D. only those rows with descriptions of baseball gloves and baseball hat
Answer: B

8. Which type of errors can be trapped by SQLCA.SQLCODE?
A. compile-time errors
B. user-interface errors
C. application logic errors
D. run-time database errors
Answer: D

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