diff --git a/source/fk/performance.dept_emp.sql b/source/fk/performance.dept_emp.sql
new file mode 100644
index 0000000000000000000000000000000000000000..9a1df210f631798c86ebcfad06ec85950511fe26
--- /dev/null
+++ b/source/fk/performance.dept_emp.sql
@@ -0,0 +1,7 @@
+use performance;
+
+ALTER TABLE dept_emp 
+ADD FOREIGN KEY (emp_no)  REFERENCES employees (emp_no) ON DELETE CASCADE;
+
+ALTER TABLE dept_emp 
+ADD FOREIGN KEY (dept_no) REFERENCES departments (dept_no) ON DELETE CASCADE;
diff --git a/source/fk/performance.dept_manager.sql b/source/fk/performance.dept_manager.sql
new file mode 100644
index 0000000000000000000000000000000000000000..6cb110541a127e71c1eeb23e2e5aa72381660c06
--- /dev/null
+++ b/source/fk/performance.dept_manager.sql
@@ -0,0 +1,7 @@
+use performance;
+
+ALTER TABLE dept_manager 
+ADD FOREIGN KEY (emp_no)  REFERENCES employees (emp_no) ON DELETE CASCADE;
+
+ALTER TABLE dept_manager 
+ADD FOREIGN KEY (dept_no) REFERENCES departments (dept_no) ON DELETE CASCADE;
diff --git a/source/setup.sql b/source/setup.sql
new file mode 100644
index 0000000000000000000000000000000000000000..cf4beefd0fc043afd9333f66b0bc86baaa5936d3
--- /dev/null
+++ b/source/setup.sql
@@ -0,0 +1 @@
+create database performance;
\ No newline at end of file
diff --git a/source/tables/performance.departments.sql b/source/tables/performance.departments.sql
new file mode 100644
index 0000000000000000000000000000000000000000..6ea827208de2d0889f7554a377d7c780e1429635
--- /dev/null
+++ b/source/tables/performance.departments.sql
@@ -0,0 +1,8 @@
+use performance;
+
+CREATE TABLE departments (
+    dept_no     CHAR(4)         NOT NULL,
+    dept_name   VARCHAR(40)     NOT NULL,
+    PRIMARY KEY (dept_no),
+    UNIQUE  KEY (dept_name)
+);
\ No newline at end of file
diff --git a/source/tables/performance.dept_emp.sql b/source/tables/performance.dept_emp.sql
new file mode 100644
index 0000000000000000000000000000000000000000..c65f4c5e526c8955b8a77ed631eb7067d83514fc
--- /dev/null
+++ b/source/tables/performance.dept_emp.sql
@@ -0,0 +1,9 @@
+use performance;
+
+CREATE TABLE dept_emp (
+    emp_no      INT             NOT NULL,
+    dept_no     CHAR(4)         NOT NULL,
+    from_date   DATE            NOT NULL,
+    to_date     DATE            NOT NULL,
+    PRIMARY KEY (emp_no,dept_no)
+);
\ No newline at end of file
diff --git a/source/tables/performance.dept_manager.sql b/source/tables/performance.dept_manager.sql
new file mode 100644
index 0000000000000000000000000000000000000000..e0738fe5354db65af9b3aa78ecc5744690f909f9
--- /dev/null
+++ b/source/tables/performance.dept_manager.sql
@@ -0,0 +1,9 @@
+use performance;
+
+CREATE TABLE dept_manager (
+   emp_no       INT             NOT NULL,
+   dept_no      CHAR(4)         NOT NULL,
+   from_date    DATE            NOT NULL,
+   to_date      DATE            NOT NULL,
+   PRIMARY KEY (emp_no,dept_no)
+); 
\ No newline at end of file
diff --git a/source/tables/performance.employees.sql b/source/tables/performance.employees.sql
new file mode 100644
index 0000000000000000000000000000000000000000..b6b1bc4e8c64dee3c2325bab3e1a7b527953ef88
--- /dev/null
+++ b/source/tables/performance.employees.sql
@@ -0,0 +1,11 @@
+use performance;
+
+CREATE TABLE employees (
+    emp_no      INT             NOT NULL,
+    birth_date  DATE            NOT NULL,
+    first_name  VARCHAR(14)     NOT NULL,
+    last_name   VARCHAR(16)     NOT NULL,
+    gender      ENUM ('M','F')  NOT NULL,    
+    hire_date   DATE            NOT NULL,
+    PRIMARY KEY (emp_no)
+);
\ No newline at end of file
diff --git a/source/tables/performance.titles.sql b/source/tables/performance.titles.sql
new file mode 100644
index 0000000000000000000000000000000000000000..b31335411e7e66d9d27d6a7d71b600e6c504eed6
--- /dev/null
+++ b/source/tables/performance.titles.sql
@@ -0,0 +1,9 @@
+use performance;
+
+CREATE TABLE titles (
+    emp_no      INT             NOT NULL,
+    title       VARCHAR(50)     NOT NULL,
+    from_date   DATE            NOT NULL,
+    to_date     DATE,
+    PRIMARY KEY (emp_no,title, from_date)
+); 
\ No newline at end of file