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DataJoint is a library for interacting with scientific databases integrating computational dependencies as part of the data model. It is an ideal tool for team projects working on shared data-centric computational workflows.
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## Why use databases in scientific studies?
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## Why use databases in scientific studes?
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Many scientists are reluctant to use databases due to their perceived unwieldiness, opting instead to use file repositories for managing their shared data. [Gray, 2005](https://arxiv.org/abs/cs/0502008)
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Yet databases provide several key advantages when it comes to sharing structured dynamic data:
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1.**Data structure:** databases communicate and enforce structure in data that reflects the logic of the scientific study.
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1.**Data structure:** databases communicate and enforce structure reflecting the logic of the scientific study.
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2.**Concurrent access:** databases support transactions to allow multiple agents to read and write the data concurrently.
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3.**Consistency and integrity:** database provide ways to ensure that data operations from multiple parties are combined correctly without loss, misidentification, or mismatches.
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4.**Queries:** Databases simplify and accelerate data queries -- functions on data to obtain precise slices of the data without needing to send the entire dataset for analysis.
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3.**Diagramming notation:** to visualize and navigate tables and dependencies.
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4.**Query language:** to create flexible and precise queries with only a few operators.
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5.**Serialization framework:** to store and retrieve numerical arrays and other data structures directly in the database.
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