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QlikView 11 Developer Certification Examination Sample Questions:

1. Refer to the exhibit to the right.

When the script displayed in the exhibit is reloaded, an error message is displayed.
Table not found
Left Join (SalesPerson)
LOAD ID,
DepartmentID
FROM
[DataSourceA.xlsx]
(ooxml, embedded labels, table is SalesPersonDepartment);
What is the likely cause of the error?

A) When loaded, the SalesPerson table is auto concatenated to Customer and does not exist when referenced.
B) The Left Join statement fails to correctly quote the referenced table name, such as Left Join ("SalesPerson").
C) The Left Join statement fails to correctly bracket the referenced table name, such as Left Join ([SalesPerson]).
D) There is an error in the Customer table load and it is not created in memory.

2. How can a developer use QVD files to optimize reload performance?

A) decrease latency between the QlikView reload engine and the source data
B) create an incremental load strategy that reduces the query sizes against the source data
C) enable a direct interface between the database server memory and the QlikView server memory
D) enable the binary load functionality and directly load files in binary from the hard disk into system memory

3. A developer made several changes to a 25-tab load script that normally runs for at least two hours.
Which step should the developer take first to efficiently debug the script logic?

A) move each revised tab in succession to the second tab position, place an Exit Script statement at the end of the tab script, and run the script
B) place a Go To Exit statement after each block of revised script code, run the script, and comment each successive Go To Exit after a successful run
C) open the QlikView Debugger and use Limited Load to execute the script
D) open the QlikView Debugger and use the Step button to execute each line of the script

4. Refer to the exhibit to the right.

What can a developer determine from the exhibit about the values in the Fax field?

A) The Fax field has blanks for 24 percent of the records.
B) The Fax field has 76 percent incomplete/invalid fax numbers.
C) The Fax field has NULL values for 24 percent of the records.
D) On average, 76 percent of the Fax field values are non-spaces.
E) The longest Fax value is 76 percent of the assigned field length.

5. A customer needs to build a QlikView application using data in text files. A new data file is created every day and stored in a folder on the customer's network named s. \userfiles.
The file name is in the form dataYYYYMMDD.txt, where YYYYMMDD represents the current date, such as data20111231.txt.
Which data load strategy should a developer use to load all of the customer's data files each day?

A) 'Load * From [s. \userfiles\data*.txt] (ansi, txt, delimiter is '\t', embedded labels);'
B) the 'Wildcard Load' feature by setting the 'File Location' in Document Properties
C) 'Load * From_Field (s. \userfiles\, 'data*.txt') (ansi, txt, delimiter is '\t', embedded labels);'
D) the statement 'Directory s. \userfiles\*;' preceding the Load statement

Solutions: