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Update Basic-usage.md

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@@ -37,20 +37,20 @@ Press `Create` button in the top toolbar or use `Ctrl+b` (`Cmd+b` for MacOS)
keyboard shortcut to open a new tab for an inquiry. An inquiry consists of three
parts: SQL query, result set (result of the query execution) and visualisation
of the result set. A tab consists of two panels. Each of them can show one of
the three parts of inquiry. By default the top panel shows SQL query editor and
the three parts of inquiry. By default, the top panel shows SQL query editor and
the bottom panel shows the result set. You can switch any panel to any other
view with corresponding buttons in the right side toolbar.
view with the corresponding buttons in the right side toolbar.
* ![](./img/sql.svg) – Switch the panel to an SQL query editor. In that
editor you can specify and run not only a `SELECT` statement for getting data
editor, you can specify and run not only a `SELECT` statement for getting data
but also DDL/DML statements for modifying the database.
* ![](./img/table.svg) – Switch the panel to the result set. Here you
can see the result of the query execution.
* ![](./img/visualisation.svg) – Switch the panel to visualisation. This
panel allows building a pivot table and charts from the result set.
panel allows building a pivot table, a graph or charts from the result set.
> **Note:** The query editor can show you hints: SQL keywords, table and column
> names. In a common case column names are shown in the hint if you specify the
> names. In a common case, column names are shown in the hint if you specify the
> table name, e.g. `SELECT table_name.`. But if there is only one table in your
> database column names will be always available in the hint. Press `Ctrl+Space`
> to show a hint explicitly.
@@ -59,7 +59,7 @@ view with corresponding buttons in the right side toolbar.
Press ![](./img/run.svg) button in the right side toolbar of an SQL
editor panel or use `Ctrl+r` or `Ctrl+Enter` (`Cmd+r` or `Cmd+Enter` for MacOS)
keyboard shortcut to execute a query in the current opened tab.
keyboard shortcut to execute a query in the current open tab.
> **Note:** Running is not available if a query for the current tab is not
> specified.
@@ -74,14 +74,15 @@ visualisation panel.
* ![](./img/chart.svg) – Switch to a chart type visualisation.
* ![](./img/pivot.svg) – Switch to a pivot type visualisation.
> **Note:** All unsaved changes in the current visualisation will be lost when
> you switch to the other visualisation type.
* ![](./img/graph.svg) – Switch to a graph type visualisation.
A pivot table can be represented as a regular or multi-header table or
visualised with a chart.
Read more details of working with pivot in [Pivot tables][2].
There are some requirements for the result set to build a graph.
Read more in [Graph][3].
All customised charts in sqliteviz are created with a `react-chart-editor`
component (fig. 5). The same component with some additional features is used in
Plotly Chart Studio. Explore its [documentation][1] to learn how to build charts
@@ -104,3 +105,4 @@ After that, the inquiry will be in the list on `Inquiries` page.
[1]: https://plotly.com/chart-studio-help/tutorials/#basic
[2]: ../Pivot-table
[3]: ../Graph