Chat Table Schema (chat)


Each of these is a chat room

chat table columns

Column Type Size Nulls Auto Default Children Parents Comments
id bigint 10 null
chat_messages.chatid chatmess_cha2_fk R
chat_messages_current.chatid chatmesscurr_cha2_fk R
chat_users.chatid chatuser_cha2_fk R
course bigint 10 0
name varchar 255
intro longtext 2147483647 null
introformat smallint 4 0

text format of intro field

keepdays bigint 11 0
studentlogs smallint 4 0
chattime bigint 10 0
schedule smallint 4 0
timemodified bigint 10 0

Table contained -1 rows

chat table indexes

Constraint Name Type Sort Column(s)
PRIMARY Primary key Asc id
chat_cou_ix Performance Asc course

chat table relationships