one to one relationship (no replies)

one to one relationship

Table 1 parent Table 2 child

Does this mean there can only be one row in both tables that connect to each other

If table1 has 100 rows than table 2 has 100 rows?

If its a identifying relationship than if there is a child there must be a parent row?

If its non-indetifying can there be a child row without a coresponding parent row?

There can be a 100 rows in the parent table buy there can be a 100+ rows in the child table

Am I correct