Related articles:
SQL
Null (SQL)
Table (database)
Index (database)
Foreign key
Key terms:
join
sql
employee
outer join
departmentid
query
null
matching
tuple
inner join
source lang
pairings
predicate
cross join
joined table
scans
left outer join
lastname
mysql
right outer joins
inner relation
result row
natural join
implicit
qualifier
excludes
full outer join
nested loops
join department on employee
employee left
postgresql
where employee
join predicate
join operation
no matching
both tables
select employee
join returns
join notation
each employee
outer relation
join attribute
join condition
matching record
cartesian product
tables for joining
visual explanation
outer join department on employee
left and right outer joins
employee inner join department
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