Please answer these questions before submitting your issue.

• • Why do you submit this issue?
  • Question or discussion
  • [+] Bug
  • Requirement
  • Feature or performance improvement
  To pick up a draggable item, press the space bar. While dragging, use the arrow keys to move the item. Press space again to drop the item in its new position, or press escape to cancel.

Question

• What do you want to know?
  怎么初始化mysql数据库？创建数据库的时候，应该指定哪种字符集？

Bug

• Which version of SkyWalking, OS and JRE?
  skywalking 8.0.1

• Which company or project?

• What happen?
  If possible, provide a way for reproducing the error. e.g. demo application, component version.

./oapServiceInit.sh 初始化myql 报如下错误：
2020-07-17 10:07:31,855 - org.apache.skywalking.oap.server.core.storage.model.ModelInstaller - 54 [main] INFO [] - table: alarm_record does not exist
2020-07-17 10:07:31,897 - org.apache.skywalking.oap.server.starter.OAPServerBootstrap - 57 [main] ERROR [] - Specified key was too long; max key length is 767 bytes

Requirement or improvement

• Please describe about your requirements or improvement suggestions.