Need to get the 5 month, 18 month, Onboarding survey assigned date to employee

Summary:I need to get the 5 month, 18 month, Onboarding survey assigned date to employee and check the eligibility of employee to relevant survey through a table.

Need to know the suitable table for this requirement.

Content (required):

I need to get the 5 month, 18 month, Onboarding survey assigned date to employee and check the eligibility of employee to relevant survey through a table.

Need to know the suitable table for this requirement.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):