Event Sessions Data Dictionary

The Event Sessions database table is annual, meaning that Event Sessions data is stored in a unique table for each year (event_sessions_2025.id, event_sessions_2024.id, etc.).

• Column Header Definitions

Table Name	Field Name	Description	Default Value	Is Nullable	Data Type	Char Limit
event_sessions	capacity	Maximum number of students allowed to attend the session	0		int
event_sessions	details	Event Details		yes	text	65535
event_sessions	event_id	Unique ID assigned to each event			int
event_sessions	end_date	End date/time of the session		yes	datetime
event_sessions	id	Unique ID assigned to each event			int
event_sessions	name	Event Name		yes	varchar	255
event_sessions	organization_id	Unique ID assigned to each Enroll customer			int
event_sessions	start_date	Start date/time of the session		yes	datetime
event_sessions	total_attended	Total number of students that attended the session	0	yes	int
event_sessions	total_booking	Total number of students that were booked to the session	0	yes	int
event_sessions	created_at	Date and time the event session record was created		yes	timestamp
event_sessions	updated_at	"Most recent date and time that the event session record was updated		yes	timestamp
event_sessions	legacy_id	Unique ID from the legacy system that corresponds to the same field in Enroll		yes	int

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