sql.Open() doesn't open anything

📰 Dev.to · Areesh Zafar

The sql.Open() function in Go doesn't actually open a database connection, but rather returns a database object that can be used to open connections later

intermediate Published 11 Apr 2026
Action Steps
  1. Use sql.Open() to get a database object
  2. Use the database object to open a connection with db.Conn() or db.Begin()
  3. Close the connection when finished to free up resources
  4. Check the database object's error status to handle any connection issues
Who Needs to Know This

Software engineers and developers working with Go and databases can benefit from understanding how sql.Open() works, as it can help them write more efficient and effective database code

Key Insight

💡 sql.Open() returns a database object, not an open connection

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💡 sql.Open() doesn't open a db connection, it returns a db object! #golang #database
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