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Why DataTug uses OVDB for working context
How OVDB keeps sessions, Context Bags, and run inputs together, using local SQLite or hosted Firestore.
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Top customers by country with total spend
from Invoices as i
join Customer as c on i.CustomerId = c.Id
join Country as co on c.Country = co.Name
select
co.Name as Country,
count(i.Id) as Invoices,
sum(i.Total) as TotalSpend
group by co.Name
order by TotalSpend desc
limit 10TableChartSummaryInsights
| # | Country | Invoices | Total Spend |
|---|---|---|---|
| 1 | USA | 1,204 | 320,421.18 |
| 2 | Canada | 842 | 189,245.32 |
| 3 | Brazil | 658 | 140,118.21 |
| 4 | Germany | 512 | 98,431.77 |
| 5 | France | 493 | 87,612.33 |
10 rows in 0.42s ↗ Open in new tab
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SQLiteSSQL ServerFFirestoreiinGitDBRHTTP / REST APIsNot supported yetPostgreSQLMySQLBigQuerySnowflakeDatabricksAirtableGoogle SheetsAsk it in plain words.
Pick a question about the Chinook music store, or write your own. DataTug plans the query, runs it across sources and shows the evidence behind the answer.
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Visual tools, smart suggestions and a powerful query language (TugQL) make it easy to find relationships, join data and uncover insights — even across different systems.
See how it works▤ Customer214 rows
▫ Id
▫ Name
▫ Email
▫ Country
...▤ Invoice412 rows
▫ Id
▫ CustomerId
▫ InvoiceDate
▫ Total
...▤ InvoiceLine2,240 rows
▫ Id
▫ InvoiceId
▫ TrackId
▫ UnitPrice
...▤ Country21 rows
▫ Code
▫ Name
▫ Region
▫ Population
...▤ Track3,503 rows
▫ Id
▫ Name
▫ AlbumId
▫ GenreId
...▤ Genre25 rows
▫ Id
▫ Name
...💡 Let DataTug do the heavy lifting
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▣ Data explorer
⌕ Search tables...
⌄ Chinook (SQLite)⌄ Tables▤ Album▤ Artist▤ Customer▤ Employee▤ Genre▤ Invoice▤ InvoiceLine▤ MediaType▤ Playlist▤ Track▥ Query builder
▤ Customer214 rows
⟷▤ Invoice412 rows
Join type
Inner join ⌄
OnCustomer.Id = Invoice.CustomerId
＋ Add conditionResults Chart Insights
100 rows (0.42s)
| # | Customer | Country | Total |
|---|---|---|---|
| 1 | Helena Holý | USA | 312.40 |
| 2 | Luís Gonçalves | Brazil | 283.10 |
| 3 | François Tremblay | Canada | 267.55 |
| 4 | Astrid Gruber | Germany | 245.00 |
| 5 | Daan Peeters | Netherlands | 231.44 |
♧ Context bag ＋▣ Chinook (SQLite)▣ Customer (filtered)▣ Last 30 days invoices▣ High value customers▣ Join suggestion: Country
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