Siblings Data Dictionary

The Siblings database table is annual, meaning that Siblings data is stored in a unique table for each year (siblings_2025.id, siblings_2024.id, etc.).

• Column Header Definitions

Table Name	Field Name	Description	Default Value	Is Nullable	Data Type	Char Limit
siblings	created_at	Date and time the sibling record was created		yes	datetime
siblings	id	Unique ID assigned by the system to each sibling			int
siblings	legacy_id	Unique ID from the legacy system that corresponds to the same field in Enroll		yes	int
siblings	organization_id	Unique ID assigned to each Enroll customer			int
siblings	sibling_district_id	Unique ID assigned by the organization to each student associated with the sibling		yes	varchar	50
siblings	sibling_dob	Sibling's birthdate		yes	date
siblings	sibling_fname	Sibling's first name		yes	varchar	50
siblings	sibling_grade	Sibling's current grade		yes	varchar	50
siblings	sibling_lname	Sibling's last name		yes	varchar	50
siblings	sibling_school	Unique ID of the sibling's current school		yes	varchar	255
siblings	sibling_student_id	Unique ID assigned by the system to each student associated with the sibling		yes	int
siblings	sibling_twin	Student is a twin/multiple for lottery (Yes = 1, No = 0)	0		tinyint
siblings	sibling_type	Sibling Type (Attending or Applying)		yes	varchar	50
siblings	student_id	Unique ID assigned by the system to each student		yes	int
siblings	updated_at	Most recent date and time that the sibling record was updated		yes	datetime

Column Header Definitions

• Table Name: Name of database table displayed in Enroll when selecting fields
• Field Name: Name of field displayed in Enroll when selecting fields
• Description: What data is stored in the field
• Default Value: Value automatically assigned by the system as a starting value
• Is Nullable: Field is permitted to have a NULL value
• Data Type:
  • datetime: stores date and time as YYYY-MM-DD HH:MM:SS using 24 hour clock
  • double: a way to store decimal numbers with a higher degree of precision
  • enum: enumerated, a set of named values (ex: offered, waiting)
  • int: integer, whole numbers like 155, 0, -20, supports a large range
  • json: text based format that stores/transmits data to be displayed on a web page
  • text: variable length data that supports a large maximum length
  • time: stores time of day as HH:MM:SS using 24 hour clock 
  • timestamp: stores date and time as YYYY-MM-DD HH:MM:SS using 24 hour clock
  • tinyint: small range of integers
  • varchar: variable length character that supports alphanumeric values
• Char Limit: Character limit on the field that cannot be exceeded