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Databases & SQL

Connection String

/kəˈnekʃən strɪŋ/

Definition

A formatted string containing database host, port, credentials, and database name to establish a connection.

Example in context

"Store the connection string in an environment variable — never hardcode credentials in source code."

Related terms

  • Environment variable — A named value stored in the shell environment, used to configure applications without hardcoding settings.
  • Connection pool — A cache of database connections maintained so applications can reuse them instead of creating a new connection per query.

Practice this term

Master Connection String in context by working through exercises in the Databases & SQL module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.

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Frequently Asked Questions

What does "Connection String" mean?

A formatted string containing database host, port, credentials, and database name to establish a connection.

How do you pronounce "Connection String"?

"Connection String" is pronounced /kəˈnekʃən strɪŋ/.

Can you use "Connection String" in a sentence?

"Store the connection string in an environment variable — never hardcode credentials in source code."