add Lecture006

Author: dimitri-yatsenko

db-course/004-Design-HW.ipynb

@@ -31,6 +31,42 @@
     "3. If assignment has been graded, store the grade for each student and each assignment."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "@schema\n",
+    "class Student(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    student_id: int\n",
+    "    ---\n",
+    "    first_name : varchar(64)\n",
+    "    last_name : varchar(64)\n",
+    "    email : varchar(100) NOT NULL\n",
+    "    \"\"\"\n",
+    "\n",
+    "@schema\n",
+    "class Assignment(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    assignment_id: int\n",
+    "    ---\n",
+    "    title: varchar(100)\n",
+    "    specification_link: varchar(255)\n",
+    "    due_date: date\n",
+    "    \"\"\"\n",
+    "\n",
+    "@schema\n",
+    "class GradedAssignment(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    -> Student\n",
+    "    -> Assignment\n",
+    "    ---\n",
+    "    grade: decimal(5,2)\n",
+    "    \"\"\""
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -45,6 +81,49 @@
     "5. Some books are not checked out."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "@schema\n",
+    "class BookTitle(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    isbn: varchar(13)\n",
+    "    ---\n",
+    "    title: varchar(255)\n",
+    "    author: varchar(255)\n",
+    "    \"\"\"\n",
+    "\n",
+    "    \n",
+    "@schema\n",
+    "class Copy(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    -> BookTitle\n",
+    "    copy_id: int    \n",
+    "    \"\"\"\n",
+    "\n",
+    "@schema\n",
+    "class Member(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    member_id: int\n",
+    "    ---\n",
+    "    name: varchar(255)\n",
+    "    address: varchar(255)\n",
+    "    \"\"\"\n",
+    "\n",
+    "@schema\n",
+    "class Checkout(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    -> Copy\n",
+    "    ---\n",
+    "    -> Member\n",
+    "    checkout_date: date\n",
+    "    return_date: date \n",
+    "    \"\"\""
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -60,6 +139,101 @@
     "\n"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "@schema\n",
+    "class Branch(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    branch_id           : int                         \n",
+    "    ---\n",
+    "    address             : varchar(255)  \n",
+    "    phone_number        : varchar(12)             \n",
+    "                \n",
+    "    \"\"\"\n",
+    "\n",
+    "@schema\n",
+    "class Customer(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    customer_id          : int                         \n",
+    "    ---\n",
+    "    address             : varchar(255)  \n",
+    "    phone_number        : int   \n",
+    "    first_name          : varchar(255)  \n",
+    "    last_name           : varchar(255)  \n",
+    "    dob                 : date\n",
+    "    number_of_accounts  : int \n",
+    "    -> Branch.proj(home_branch=\"branch_id\")\n",
+    "    \"\"\"\n",
+    "\n",
+    "@schema\n",
+    "class Account(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    account_id             : int                         \n",
+    "    ---\n",
+    "    address                : varchar(255)  \n",
+    "    phone_number           : int   \n",
+    "    first_name             : varchar(255)  \n",
+    "    last_name              : vbarchar(255)  \n",
+    "    dob                    : date\n",
+    "    account_type           : enum(\"savings\", \"checking\")\n",
+    "    -> Customer\n",
+    "    \"\"\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "@schema\n",
+    "class Bank(dj.Manual):\n",
+    "    definition = \"\"\" \n",
+    "        bank_id: SMALLINT UNSIGNED\n",
+    "        ---\n",
+    "        bank_name: VARCHAR(30)\n",
+    "    \"\"\"\n",
+    "\n",
+    "@schema\n",
+    "class HomeBranch(dj.Manual):\n",
+    "    definition = \"\"\" \n",
+    "        -> Bank\n",
+    "        branch_id:      INT UNSIGNED\n",
+    "        ---\n",
+    "        street_address: VARCHAR(100)\n",
+    "        branch_phone:   BIGINT\n",
+    "        bank_email:     VARCHAR(100)\n",
+    "\n",
+    "\"\"\"\n",
+    "\n",
+    "@schema\n",
+    "class Customers(dj.Manual):\n",
+    "    definition = \"\"\" \n",
+    "        -> HomeBranch\n",
+    "        customer_id:    SMALLINT UNSIGNED\n",
+    "        ---\n",
+    "        first_name:      VARCHAR(30)\n",
+    "        last_name:       VARCHAR(30)\n",
+    "        date_of_birth:   DATE\n",
+    "        customer_email:  VARCHAR(100)\n",
+    "        phone:           BIGINT UNSIGNED     \n",
+    "\"\"\"\n",
+    "\n",
+    "\n",
+    "@schema\n",
+    "class CustomerAccount(dj.Manual):\n",
+    "    definition = \"\"\" \n",
+    "        -> Customer\n",
+    "        account_num: BIGINT UNSIGNED\n",
+    "        ---\n",
+    "        account_type: ENUM('CHECKING','SAVINGS')\n",
+    "\"\"\""
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},