exc_usr_tutor

0 rows


Columns

Column Type Size Nulls Auto Default Children Parents Comments
obj_id INT 10 0
usr_id INT 10 0
tutor_id INT 10 0
download_time DATETIME 19 null
ass_id INT 10 0

Indexes

Constraint Name Type Sort Column(s)
PRIMARY Primary key Asc/Asc/Asc ass_id + usr_id + tutor_id
ob_idx Performance Asc obj_id

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