@@ -31,17 +31,6 @@ You can now access TDengine or run other Linux commands.
Note: For information about installing docker, see the [official documentation](https://docs.docker.com/get-docker/).
## Open the TDengine CLI
On the container, run the following command to open the TDengine CLI:
```
$ taos
taos>
```
## Insert Data into TDengine
You can use the `taosBenchmark` tool included with TDengine to write test data into your deployment.
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@@ -59,39 +48,51 @@ To do so, run the following command:
You can customize the test deployment that taosBenchmark creates by specifying command-line parameters. For information about command-line parameters, run the `taosBenchmark --help` command. For more information about taosBenchmark, see [taosBenchmark](/reference/taosbenchmark).
## Open the TDengine CLI
On the container, run the following command to open the TDengine CLI:
```
$ taos
taos>
```
## Query Data in TDengine
After using taosBenchmark to create your test deployment, you can run queries in the TDengine CLI to test its performance. For example:
Query the number of rows in the `meters` supertable:
From the TDengine CLI query the number of rows in the `meters` supertable:
```sql
taos>selectcount(*)fromtest.meters;
selectcount(*)fromtest.meters;
```
Query the average, maximum, and minimum values of all 100 million rows of data:
In the query above you are selecting the first timestamp (ts) in the interval, another way of selecting this would be _wstart which will give the start of the time window. For more information about windowed queries, see [Time-Series Extensions](../../taos-sql/distinguished/).