Define the concept of a data dictionary, and discuss the different types of data dictionaries. If you managed an organization’s entire data set, what characteristics would you want for the data dictionary?

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SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.