Don't use strict sql-mode as default

[3pointer]

Feature Request

Is your feature request related to a problem? Please describe:

some user will meet sql-mode related problem when create schema. most often is NO_ZERO_IN_DATE, NO_ZERO_DATE. since sql-mode is session level variable, so it can't be possible to get accurate sql-mode of table when upstream create it.

Describe the feature you'd like:

1. Remove some strict mode in default sql-mode.
2. Add a function to distinguish sql-mode by given schema.

Describe alternatives you've considered:

Teachability, Documentation, Adoption, Optimization:

[kennytm]

What is not fixed by #316?

[3pointer]

okay，It seems already fixed, let me close this issue