Question 1

How do I connect to a database with nanodbc?

Accepted Answer

Install an ODBC driver for your database and configure a data source name (DSN). Then, use nanodbc's connection class with the DSN string—for example, the README provides a SQLite ODBC configuration snippet in odbcinst.ini.

Question 2

nanodbc vs SOCI: which is better for C++?

Accepted Answer

nanodbc is lighter and focuses solely on ODBC wrapping, ideal for minimal overhead and direct control. SOCI offers a higher-level abstraction with support for multiple backends including ODBC, making it better for projects needing more features out-of-the-box.

Question 3

Does nanodbc support prepared statements?

Accepted Answer

Yes, nanodbc supports prepared statements through its statement class, allowing parameter binding and execution to prevent SQL injection and optimize repeated queries, similar to raw ODBC but with a cleaner interface.

Question 4

How to handle Unicode strings in nanodbc on Linux?

Accepted Answer

Enable the NANODBC_ENABLE_UNICODE build option when compiling. Based on the ODBC driver, nanodbc::string becomes std::u16string or std::u32string, but note the README's warning about iODBC compatibility issues with wchar_t sizes.

Question 5

What databases work with nanodbc?

Accepted Answer

nanodbc works with any database that has an ODBC driver, such as SQLite, MySQL, PostgreSQL, and SQL Server. The library is driver-agnostic, relying on ODBC standards, so driver quality and availability vary by platform.

Question 6

Is nanodbc thread-safe?

Accepted Answer

nanodbc objects like connection and statement are not inherently thread-safe; concurrent access requires manual synchronization. ODBC drivers may have their own threading models, so always check driver documentation for specific guidelines.

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