Technical interview

Use this online coding test to assess your developers with Devskiller

JUNIOR

Junior Data Engineer | SQL, MongoDB | Stamps catalogue | CASE statement

Contains following tasks:

1) Choice questions - assessing knowledge of SQL, MongoDB, NoSQL

2) Code gaps - assessing knowledge of MongoDB, SQL

3) Task [level: Easy] - SQL | Stamps catalogue | CASE statement - Make a select statement, by which you will divide your stamps collection into 3 groups.

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Tasks details:

Code gaps

junior level
Skills: MongoDB Mongo

Mongo | Query | Arrays

Code gaps

junior level
Skills: MongoDB Mongo

Mongo | Query | Count documents

Code gaps

junior level
Skills: SQL

SQL | Between operator

SQL exercise

junior level
Skills: SQL

SQL | Stamps catalogue | CASE statement

Code gaps

junior level
Skills: SQL

SQL | Update operator

Choice questions

junior level
Skills: MongoDB NoSQL SQL

5 choice questions