Trimble GIS Analyst Interview Questions and Answers

Basic SQL queries used in GIS data involve selecting, filtering, and joining spatial data.

• Selecting specific columns: SELECT column1, column2 FROM table_name

• Filtering data based on conditions: WHERE condition

• Joining tables: JOIN table1 ON table1.column = table2.column

A buffer is a zone around a geographic feature that is used for analysis or visualization purposes.

• Buffers are commonly used in GIS to analyze proximity, connectivity, and accessibility.

• They can be used to identify areas within a certain distance of a feature, such as a buffer zone around a school to determine areas within a 1-mile radius.

• Buffers can also be used for visualizing data, such as creating a buffer around a...read more