OUTSYSTEMS REACTIVE DEVELOPER
EXAM QUESTIONS AND ANSWERS
Custom Indexes can be created - Correct Answers -Having too many can cause
performance issues but creating the right indexes can improve performance
Index - Correct Answers -Speeds up data retrieval over certain attributes
Disadvantage of indexes - Correct Answers -Takes up storage space and needs
updating every time data is changed (e.g. inserts or updates)
Where is data from form stored? - Correct Answers -All of the input widgets have a
Variable property and the value selected in each input field will be stored in the variable.
This variable must be within scope of the screen and can be Screen Input Parameter,
Local Variable or an attribute of a Source Entity of an aggregate on the Screen i.e.
Product name entered in input box
Label widget - Correct Answers -Displays text to describe an input field and helps
identify the purpose of the field i.e. says Name where it wants you to put in your name.
The Input Widget property creates an association with the selected input field and the
label will automatically be visible when field is mandatory.
Submitting data in a form - Correct Answers -Links and buttons can trigger screen
actions. A button can have an action with logic to create or update an attribute in
database with the data in input fields of the form.
What does OutSystems do? - Correct Answers -Enables development and delivery of
enterprise and mobile applications using a low-code environment that deploys to
enterprise-grade, full stack system. Integrates with other systems easily and provides
built-in management and analytics.
Platform Server - Correct Answers -Compiles, Deploys, Manages, Runs & Monitors.
Reference attributes create indexes automatically - Correct Answers -Index is defined
over a particular set of attributes and speed up data retrieval
To avoid duplicates with unique indexes - Correct Answers -Define the index as unique
and can combine one or more attributes i.e. references customer ID but also product ID
EXAM QUESTIONS AND ANSWERS
Custom Indexes can be created - Correct Answers -Having too many can cause
performance issues but creating the right indexes can improve performance
Index - Correct Answers -Speeds up data retrieval over certain attributes
Disadvantage of indexes - Correct Answers -Takes up storage space and needs
updating every time data is changed (e.g. inserts or updates)
Where is data from form stored? - Correct Answers -All of the input widgets have a
Variable property and the value selected in each input field will be stored in the variable.
This variable must be within scope of the screen and can be Screen Input Parameter,
Local Variable or an attribute of a Source Entity of an aggregate on the Screen i.e.
Product name entered in input box
Label widget - Correct Answers -Displays text to describe an input field and helps
identify the purpose of the field i.e. says Name where it wants you to put in your name.
The Input Widget property creates an association with the selected input field and the
label will automatically be visible when field is mandatory.
Submitting data in a form - Correct Answers -Links and buttons can trigger screen
actions. A button can have an action with logic to create or update an attribute in
database with the data in input fields of the form.
What does OutSystems do? - Correct Answers -Enables development and delivery of
enterprise and mobile applications using a low-code environment that deploys to
enterprise-grade, full stack system. Integrates with other systems easily and provides
built-in management and analytics.
Platform Server - Correct Answers -Compiles, Deploys, Manages, Runs & Monitors.
Reference attributes create indexes automatically - Correct Answers -Index is defined
over a particular set of attributes and speed up data retrieval
To avoid duplicates with unique indexes - Correct Answers -Define the index as unique
and can combine one or more attributes i.e. references customer ID but also product ID
