Loading data from the data catalog
You can load data into your app from existing datasets to which you have access with the data catalog.
Loading data from the data catalog in 数据管理器
执行以下操作：
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Open an app.
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Open Data manager.
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Click
Add data > Data catalog. You can also click Data catalog in 
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Select the data you want to load.
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If you want to load all the data in a dataset, select the checkbox in that dataset's row.
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If you want to load certain tables or fields from a dataset, click the dataset's name. Select the fields from the tables you want to load. Click Back to add more data or click Next.
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In Summary, review the data you are adding to your app and click Load into app.
The tables are added to 数据管理器.
使用 数据管理器（拖放或其他直接上载）将数据集文件导入 Qlik Sense 应用程序或空间时，最多可以加载 5000 个字段。
Next steps
Your selected data is now available in 数据管理器. You can continue working on your tables in 数据管理器, making associations or editing your tables using the data profiling options. When you are ready to load the data into your app, click Load data.
Some additional steps you may wish to do before loading data:
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To associate your tables, see 管理数据关联
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To edit your tables, adding calculated fields or using the data profiling cards to transform your data, see 编辑表格.
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To concatenate related tables, see 在数据管理器中串联表格.
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To join tables together, see 在数据管理器中联接表
Loading data from the data catalog in 数据加载编辑器
执行以下操作：
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Open an app.
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Open Data load editor.
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Under Add data, click Add from data catalog.
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Select the data you want to load.
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If you want to load all the data in a dataset, select the checkbox in that dataset's row.
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If you want to load certain tables or fields from a dataset, click the dataset's name. Select the fields from the tables you want to load. Click Back to add more data or click Next.
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In Summary, review the data you are adding to your app and click Insert script.
The tables are added to the load script.
Limitations
Data catalog has the following limitations:
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When selecting a QVD created from an Amazon S3 bucket, data catalog always uses the first connection in the list if there are multiple connections.