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MySQL 5.1 Reference Manual :: 24 APIs and Libraries :: 24.1 libmysqld, the Embedded MySQL Server Library :: 24.1.3 Restrictions When Using the Embedded MySQL Server
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24.1.3. Restrictions When Using the Embedded MySQL Server

The embedded server has the following limitations:

  • No user-defined functions (UDFs).

  • No stack trace on core dump.

  • You cannot set this up as a master or a slave (no replication).

  • Very large result sets may be unusable on low memory systems.

  • You cannot connect to an embedded server from an outside process with sockets or TCP/IP. However, you can connect to an intermediate application, which in turn can connect to an embedded server on the behalf of a remote client or outside process.

Some of these limitations can be changed by editing the mysql_embed.h include file and recompiling MySQL.