{
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   "metadata": {},
   "source": [
    "## Scheduling in SnowFlake"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f4ad0bdd",
   "metadata": {},
   "source": [
    "- Scheduling in Snowflake is called Tasks"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "37349c3d",
   "metadata": {},
   "source": [
    "### Creating a Task"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0842f5e9",
   "metadata": {},
   "source": [
    "`CREATE OR REPLACE TASK TASK1\n",
    "Warehouse = COMPUTE_WH\n",
    "SCHEDULE = '1 Minute'  --Needs to be in minutes\n",
    "AS \n",
    "//Single SQL Statement here`"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3a4e73f0",
   "metadata": {},
   "source": [
    "### Show Tasks"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a48d4ed7",
   "metadata": {},
   "source": [
    "`SHOW TASKS`"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "854283bf",
   "metadata": {},
   "source": [
    "- By Default,Tasks are suspended.\n",
    "- You have to start them manually"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "661fdda0",
   "metadata": {},
   "source": [
    "### Starting a Task"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "fd197b3e",
   "metadata": {},
   "source": [
    "`ALTER TASK TASK1 RESUME;`"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6fb59127",
   "metadata": {},
   "source": [
    "### Ending a Task"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8e1df573",
   "metadata": {},
   "source": [
    "`ALTER TASK TASK1 SUSPEND;`"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a3266fdf",
   "metadata": {},
   "source": [
    "### Using CRON in Schedule"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6bfef075",
   "metadata": {},
   "source": [
    "- SCHEDULE='USING CRON ***** UTC'\n",
    "    - First * - Minute\n",
    "    - Second * - Hour\n",
    "    - Third * - Day of Month (1-31)\n",
    "    - Fourth * - Month\n",
    "    - Fifth * - Day of week (0-6)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f18abe45",
   "metadata": {},
   "source": [
    "#### Use cases of CRON"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "fc91d99d",
   "metadata": {},
   "source": [
    "- Every min - ' USING CRON ****** UTC'\n",
    "- Every day at am - 'USING CRON 0 6 * * * UTC'\n",
    "- Every hour starting at 9am end at 5pm on Sundays - 'USING CRON 0 9-17 ** SUN America/Los-angelis'"
   ]
  }
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