diff --git a/test/full_join.query b/test/full_join.query
new file mode 100644
index 0000000..ba5177a
--- /dev/null
+++ b/test/full_join.query
@@ -0,0 +1 @@
+people ⧓skills
diff --git a/test/full_join.result b/test/full_join.result
new file mode 100644
index 0000000..79fb045
--- /dev/null
+++ b/test/full_join.result
@@ -0,0 +1,19 @@
+id,skill,name,chief,age
+4,C++,eve,0,25
+4,C,eve,0,25
+7,C,alia,1,28
+9,Java,---,---,---
+0,Python,jack,0,22
+5,C,duncan,4,30
+4,Perl,eve,0,25
+2,C,john,1,30
+1,Python,carl,0,20
+5,Perl,duncan,4,30
+6,---,paul,4,30
+2,PHP,john,1,30
+0,C,jack,0,22
+7,Python,alia,1,28
+1,System Admin,carl,0,20
+7,PHP,alia,1,28
+1,C++,carl,0,20
+3,C++,dean,1,33
diff --git a/test/join.query b/test/join.query
new file mode 100644
index 0000000..5cc3aed
--- /dev/null
+++ b/test/join.query
@@ -0,0 +1 @@
+people ⋈ skills
diff --git a/test/join.result b/test/join.result
new file mode 100644
index 0000000..07cd4a7
--- /dev/null
+++ b/test/join.result
@@ -0,0 +1,17 @@
+id,name,chief,age,skill
+2,john,1,30,C
+7,alia,1,28,C
+4,eve,0,25,C++
+4,eve,0,25,C
+5,duncan,4,30,Perl
+1,carl,0,20,C++
+7,alia,1,28,PHP
+7,alia,1,28,Python
+3,dean,1,33,C++
+1,carl,0,20,Python
+2,john,1,30,PHP
+0,jack,0,22,Python
+0,jack,0,22,C
+1,carl,0,20,System Admin
+4,eve,0,25,Perl
+5,duncan,4,30,C
diff --git a/test/left_join.query b/test/left_join.query
new file mode 100644
index 0000000..9c0e389
--- /dev/null
+++ b/test/left_join.query
@@ -0,0 +1 @@
+people ⧑skills
diff --git a/test/left_join.result b/test/left_join.result
new file mode 100644
index 0000000..75b24c4
--- /dev/null
+++ b/test/left_join.result
@@ -0,0 +1,18 @@
+id,name,chief,age,skill
+2,john,1,30,C
+7,alia,1,28,C
+4,eve,0,25,C++
+6,paul,4,30,---
+5,duncan,4,30,Perl
+1,carl,0,20,C++
+7,alia,1,28,PHP
+4,eve,0,25,C
+7,alia,1,28,Python
+3,dean,1,33,C++
+1,carl,0,20,Python
+2,john,1,30,PHP
+0,jack,0,22,Python
+0,jack,0,22,C
+1,carl,0,20,System Admin
+4,eve,0,25,Perl
+5,duncan,4,30,C
diff --git a/test/right_join.query b/test/right_join.query
new file mode 100644
index 0000000..67f1463
--- /dev/null
+++ b/test/right_join.query
@@ -0,0 +1 @@
+people ⧒ skills
diff --git a/test/right_join.result b/test/right_join.result
new file mode 100644
index 0000000..e8ef0bd
--- /dev/null
+++ b/test/right_join.result
@@ -0,0 +1,18 @@
+id,skill,name,chief,age
+4,C++,eve,0,25
+2,C,john,1,30
+1,Python,carl,0,20
+4,C,eve,0,25
+1,C++,carl,0,20
+7,C,alia,1,28
+9,Java,---,---,---
+2,PHP,john,1,30
+0,Python,jack,0,22
+4,Perl,eve,0,25
+5,C,duncan,4,30
+7,Python,alia,1,28
+1,System Admin,carl,0,20
+5,Perl,duncan,4,30
+7,PHP,alia,1,28
+0,C,jack,0,22
+3,C++,dean,1,33