SQL and Databases

Paper Summary:

The paper examines SQL (structured query language) and whether it can or should support duplicate rows in a database. The paper notes that SQL is a standard interactive and programming language used to get information from and update a database and it is considered easy to use and effective. The paper explains that there are different versions of this approach from different companies, but all use the same basic rules and commands.

From the Paper:

"SQL, or structured query language, is a standard interactive and programming language used to get information from and update a database. SQL is both an ANSI and an ISO standard, but many database products support SQL with proprietary extensions to the standard language. Queries take the form of a command language allowing the user to select, insert, update and find out the location of data. Duplicate rows are eliminated by specific commands in SQL and the issue is whether there is any time when duplicate rows might be supported in SQL or whether maintaining distinct records is a positive or a negative element of the system. SQL is a standardized language for use in relational databases and is considered easy to use and effective. There are different versions of this approach from different companies, but all use the same basic rules and commands."

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