The technical skill most in demand or frequently asked for on business analyst job postings, computer programmer jobs, data analyst positions, report writer job openings or most software development job postings is relational database management skills including SQL programming, database design, database development and SQL querying skills.
Are you surprised or in doubt?
Take a look at the job postings for business analysts, computer programmers, data analysts or database developer jobs and you will see that the technical skills common to all software development professions include:
Relational database design skills
Relational database development skills