They can hold a variety of information or maybe anything that you could think of-ranging from catalogs of product, customer information, images metadata, text data, etc. On the other hand, unstructured data can be represented in the form of images, videos, speech, or text.īut what kind of information do these Databases hold?
SQL can be beneficial in maintaining and even optimizing the databases.Īs the name suggests, SQL is capable of handling only the structured type of data, which means data that can be represented in rows and columns format like dates, numbers, and strings. It is particularly useful in handling structured data, i.e., data incorporating relations among entities and variables ( Source).ĭata can be inserted, searched, updated, or deleted from the database records using SQL. As per Wikipedia, SQL is a domain-specific language used in programming and designed for managing data held in a relational database management system (RDBMS), or for stream processing in a relational data stream management system (RDSMS). SQL stands for Structured Query Language. If you would like to learn about SQL from basic to an advanced level, take DataCamp's SQL Fundamentals skill track.
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