A.17 MySQL 8.0 FAQ: InnoDB Data-at-Rest Encryption ......................................................... 5277 A.18 MySQL 8.0 FAQ: Virtualization Support ......................................................................... 5279 B Error Messages and Common Problems .................................................................................... 5281 B.1 Error Message Sources and Elements ............................................................................. 5281 B.2 Error Information Interfaces ............................................................................................. 5283 B.3 Problems and Common Errors ........................................................................................ 5285 B.3.1 How to Determine What Is Causing a Problem ...................................................... 5285 B.3.2 Common Errors When Using MySQL Programs .................................................... 5287 B.3.3 Administration-Related Issues ............................................................................... 5298 B.3.4 Query-Related Issues ........................................................................................... 5306 B.3.5 Optimizer-Related Issues ..................................................................................... 5313 B.3.6 Table Definition-Related Issues ............................................................................ 5314 B.3.7 Known Issues in MySQL ...................................................................................... 5315 C Indexes ..................................................................................................................................... 5319 MySQL Glossary ........................................................................................................................... 6131 xxvii MySQL 8.0 Reference Manual