You made some table definition changes to a schema in your MySQL Server.Which two statements reflect how MySQL Server handles the table definition changes?
A、MySQL keeps InnoDB metadata changes in .sdi files in datadir.
B、MySQL Server stores a copy of the serialized data in the InnoDB user tablespace.
C、MySQL writes SDI to the binary log for distributed backups.
D、MySQL implicitly executes FLUSH TABLES and stores a snapshot backup of the metadata.
E、The metadata is serialized in JSON format in Serialized Dictionary Information (SDI).
大神们，这道题是选BE还是AE?![[疑问]](//lf-web-assets.juejin.cn/obj/juejin-web/xitu_juejin_web/img/jj_emoji_31.606e7a5.png)
A、MySQL keeps InnoDB metadata changes in .sdi files in datadir.
B、MySQL Server stores a copy of the serialized data in the InnoDB user tablespace.
C、MySQL writes SDI to the binary log for distributed backups.
D、MySQL implicitly executes FLUSH TABLES and stores a snapshot backup of the metadata.
E、The metadata is serialized in JSON format in Serialized Dictionary Information (SDI).
大神们，这道题是选BE还是AE?
![[疑问]](http://lf-web-assets.juejin.cn/obj/juejin-web/xitu_juejin_web/img/jj_emoji_31.606e7a5.png)
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