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MySQL 8.3 Reference Manual  /  ...  /  Enforced Constraints on Invalid Data

1.6.3.3 无效数据的强制约束

默认情况下，MySQL 8.0 会拒绝无效或不正确的数据值，并中止包含这些值的语句。但是，可以通过禁用严格的 SQL 模式（见 第 7.1.11 节，“服务器 SQL 模式”）来改变这种行为，使服务器强制将无效值转换为有效值以便数据输入，但这不被推荐。

旧版本的 MySQL 默认采用宽松的行为；有关这种行为的描述，请参阅 无效数据的约束。


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Related Documentation
MySQL 8.3 Release Notes
Download this Manual
PDF (US Ltr) - 40.8Mb
PDF (A4) - 40.9Mb
Man Pages (TGZ) - 294.0Kb
Man Pages (Zip) - 409.0Kb
Info (Gzip) - 4.0Mb
Info (Zip) - 4.0Mb
Excerpts from this Manual
MySQL Backup and Recovery
MySQL NDB Cluster 8.3
MySQL Globalization
MySQL Information Schema
MySQL Installation Guide
MySQL and Linux/Unix
MySQL and macOS
MySQL Partitioning
MySQL Performance Schema
MySQL Replication
Using the MySQL Yum Repository
MySQL Restrictions and Limitations
Security in MySQL
MySQL and Solaris
Building MySQL from Source
Starting and Stopping MySQL
MySQL Tutorial
MySQL and Windows