diff --git a/content/v2.0/query-data/guides/sql.md b/content/v2.0/query-data/guides/sql.md index c05993532..0ab91bc6b 100644 --- a/content/v2.0/query-data/guides/sql.md +++ b/content/v2.0/query-data/guides/sql.md @@ -80,7 +80,7 @@ join(tables: {metric: sensorMetrics, info: sensorInfo}, on: ["sensor_id"]) ``` ### Create dashboard variables using SQL results -With the `sql.from()` function you're able to [create dashboard variables](/v2.0/visualize-data/variables/create-variable/) +Use `sql.from()` to [create dashboard variables](/v2.0/visualize-data/variables/create-variable/) from SQL query results. The following example uses the [air sensor sample data](#sample-data) below to create a variable that lets you select the location of a sensor. @@ -97,7 +97,7 @@ sql.from( |> keep(columns: ["_value"]) ``` -You can then use this variable to manipulate queries in your dashboards. +Use the variable to manipulate queries in your dashboards. {{< img-hd src="/img/2-0-sql-dashboard-variable.png" alt="Dashboard variable from SQL query results" />}} @@ -105,8 +105,8 @@ You can then use this variable to manipulate queries in your dashboards. ## Sample data The [sample data generator](#sample-data-generator) and [sample sensor information](#sample-sensor-information) -simulate a fleet of sensors installed throughout a facility measuring the temperature, -humidity, and carbon monoxide in each room. +simulate a group of sensors that measure temperature, humidity, and carbon monoxide +in rooms throughout a building. Each collected data point is stored in InfluxDB with a `sensor_id` tag that identifies the specific sensor it came from. @@ -124,10 +124,10 @@ Information about each sensor is stored in a `sensors` table in a Postgres datab - last_inspected #### Sample data generator -`air-sensor-data` is a CLI that generates air sensor data and stores in InfluxDB. -To use it: +`air-sensor-data` is a CLI that generates air sensor data and stores the data in InfluxDB. +To use `air-sensor-data`: -1. [Create a bucket](/v2.0/organizations/buckets/create-bucket/) in which to store the generated data. +1. [Create a bucket](/v2.0/organizations/buckets/create-bucket/) to store the data. 2. Get your [authorization token](/v2.0/security/tokens/view-tokens/). 3. Download the sample data generator. _This tool requires **Ruby**._ @@ -139,13 +139,13 @@ To use it: chmod +x air-sensor-data ``` -5. Start the generator by providing it with your organization, bucket, and authorization token: +5. Start the generator. Specify your organization, bucket, and authorization token: ```sh air-sensor-data -o your-org -b your-bucket -t YOURAUTHTOKEN ``` - The generator will begin writing data to InfluxDB. + The generator begins to write data to InfluxDB. _**Note:** Use the `--help` flag to view other configuration options._ @@ -176,7 +176,7 @@ END $$ ``` {{% note %}} -Update the `filepath` variable to match the path of your to your downloaded sample data CSV. +Update the `filepath` variable to the path of the downloaded CSV sample data. {{% /note %}} Query the table to ensure the data was imported correctly: