What is difference between a Data Scientist and a Data Analyst?
Please visit this and read the difference between Data analyst and Data scientist.
You will find the above link very interesting that fulfills your need as you will also find the words by Data scientist of LinkedIn.
Important lines from the above link:

Data analysts are masters in SQL and use regular expression to slice and dice the data. With some level of scientific curiosity data analysts can tell a story from data. A data scientist on the other hand possess all the skills of a data analysts with strong foundation in modelling, analytics, math, statistics and computer science. What differentiates a data scientist from a data analyst is the strong acumen along with the ability to communicate the findings in the form of a story to both IT leaders and business stakeholders in such a way that it can influence the manner in which a company approaches a business challenge.