Qliksense Developer
Qliksense Developer Interview Questions and Answers
Q1. What is difference between applymap and join
applymap is used to map a value from one table to another while join is used to combine two or more tables based on a common field.
applymap is used for one-to-one mapping while join is used for many-to-one mapping
applymap is faster than join for small datasets
join can handle more complex data relationships than applymap
applymap can be used to replace null values with a default value
join can be used to aggregate data from multiple tables
Q2. Binary load & Incremental load in Qliksense
Binary load loads data from one Qlik Sense app to another, while incremental load only loads new or changed data.
Binary load is useful for combining data from multiple apps into one.
Incremental load can improve performance by only loading new or changed data.
Both can be used together for efficient data management.
Q3. Types of load in Qliksense
There are two types of load in Qliksense: script load and data load.
Script load involves loading and transforming data using the Qlik scripting language.
Data load involves loading data from various sources into QlikSense for analysis and visualization.
Script load is done in the script editor, while data load is done in the data manager.
Examples of script load include loading data from a CSV file and transforming it using script functions.
Examples of data load include connecti...read more
Q4. Peek vs prev in qlik sense
Peek is used to look at the value of a field in the previous record, while Prev is used to look at the value of a field in the previous row.
Peek function is used to fetch the value of a field in the previous record.
Prev function is used to fetch the value of a field in the previous row.
Peek can be used to compare values between different records.
Prev is useful for calculating running totals or differences between consecutive rows.
Q5. Applymap in qlik sense
Applymap is a function in Qlik Sense used to map values from one field to another based on a mapping table.
Applymap function is used to look up values in a mapping table and apply them to a field in the data model.
It helps in replacing values in a field with corresponding values from a mapping table.
Syntax: Applymap('mapName', fieldToMap, defaultValue)
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