12 connected modules · From file to map without switching apps
Capabilities verified in the app

Twelve modules, one context.

The active table, SQL result and workspace are shared between modules. Every card explains its purpose, key actions and where to learn the procedure.

DuckDB SQL editor and OliMat results table
01 · Work center

Data & SQL

Inspect rows, filter with clicks or write DuckDB queries across one or more tables.

  • Paged grid, search, sort and visual filter over the dataset.
  • JOINs, aggregations, history, favorites, templates and generated SQL.
  • EXPLAIN ANALYZE, cancellation, TSV, Markdown and INSERT copying.
How to use Data & SQL →
02 · Structure

Schema

Understand each table's shape before analyzing it.

  • Columns, DuckDB types, order, size and metadata.
  • Filterable tree; copy name, generate SELECT, rename or activate.
  • Review conversions and heterogeneous source structures.
How to review schema →
03 · Summary

Statistics

Get a numeric overview of the table without coding.

  • Rows, columns, estimated memory, minima, maxima and averages.
  • Counts, cardinality and type-appropriate metrics.
  • Starting point for choosing columns to profile.
How to read the summary →
Quality analysis with warnings and affected rows
04 · Trust

Quality

Detect anomalies and jump from a warning to the records involved.

  • Nulls, duplicates, NaN, empties, constants and whitespace.
  • Mixed types, IQR outliers and impossible coordinates.
  • Saved rules: unique, range, pattern, list and length.
How to validate data →
05 · Understanding

Profile

Explain one column or generate a profile for the whole dataset.

  • Composition, nulls, uniques, percentiles, top values and histogram.
  • Cell viewer for nested JSON, lists and structs.
  • Self-contained HTML report to share or archive.
How to create a profile →
Automatic dashboard of distributions and categories
06 · First reading

Dashboard

Automatically builds useful views based on column types.

  • Numeric distributions, top categories and time series.
  • Visual summary without configuring an external dashboard.
  • Bridge to profiling, filters and reproducible queries.
How to use the dashboard →
07 · Cross summary

Pivot

Build a pivot table with rows, columns, measure and aggregation.

  • Sum, average, count, minimum and maximum.
  • Categories and periods on executive-friendly axes.
  • Exportable result usable as another query's input.
How to build a pivot →
08 · Visualization

X-Y Chart

Explore relationships, groups and distributions with controlled samples.

  • X/Y axes, color or group and chart-type selection.
  • Scatter, density and distribution views by data type.
  • Sampling control for smooth work on large tables.
How to create a chart →
Pearson correlation matrix in OliMat Data Explorer
09 · Relationships

Correlation

Prioritize related numeric pairs and open their visual detail.

  • Pearson for linear relationships and Spearman for ranks.
  • Matrix, ranked pairs and scatter detail.
  • Column limit for wide datasets.
How to interpret correlations →
10 · Audit

Compare

Contrast two tables or versions before accepting a delivery.

  • Differences in columns, types, rows and nulls.
  • Fast reading of structural and volume changes.
  • Pairs with JOIN and ANTI JOIN for key-level detail.
How to compare datasets →
11 · Governance

Dictionary

Document every variable where it is analyzed.

  • Description, unit, domain and notes by column.
  • Editable and exportable metadata.
  • Persistence inside the portable workspace.
How to document columns →
Map with weighted grid and geographic layer
12 · Geospatial

Map

Visualize massive coordinates and connect geographic selection to SQL.

  • Points, adaptive or kilometre grids and numeric weighting.
  • Local layers, time range, measurement and spatial selection.
  • Inside/outside filters, GeoJSON and PNG with legend and scale.
How to create and filter a map →
Sources, projects and connections

Beyond the twelve tabs.

Input, continuity and delivery capabilities support every module.

IN

Real-world formats

Parquet, CSV/TSV, Excel, JSON/NDJSON, Arrow, Feather, RDS/RData and mixed folders.

DB

Oracle

Import queries and export results in thin mode without storing the password.

PVPW

Portable project

Snapshots, query, active table, favorites, history and dictionary in one file.

OUT

Deliverables

Parquet, CSV, Excel, JSON, Arrow, GeoJSON, SQLite, Oracle, Markdown and SQL INSERT.

Privacy by design

Analysis happens on your PC.

No account is required and OliMat does not receive your files. Internet is optional for base maps and updates.