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2 changes: 1 addition & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -834,7 +834,7 @@ logger.error(various parameters or objects toString + "_" + e.getMessage(), e);
8\. **[Mandatory]** The length of *varchar* should not exceed 5000, otherwise it should be defined as `text`. It is better to store them in a separate table in order to avoid its effect on indexing efficiency of other columns.

9\. **[Mandatory]** A table must include three columns as following: *id*, *gmt_create* and *gmt_modified*.
> <font color="#977C00">Note: </font> *id* is the primary key, which is *unsigned bigint* and self-incrementing with step length of 1. The type of *gmt_create* and *gmt_modified* should be *DATE_TIME*.
> <font color="#977C00">Note: </font> *id* is the primary key, which is *unsigned bigint* and self-incrementing with step length of 1. The type of *gmt_create* and *gmt_modified* should be *DATETIME*.

10\. **[Recommended]** It is recommended to define table name as *[table_business_name]_[table_purpose]*.
> <font color="#019858">Positive example: </font> *tiger_task* / *tiger_reader* / *mpp_config*
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