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What type to choose when creating a new data table in Navicat?

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Release: 2024-04-23 21:15:22
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Navicat provides the following data table types: InnoDB: supports transactions and high concurrency. MyISAM: Non-transactional, but faster. MEMORY: Store data in memory, extremely fast. Merge: Distributes data across multiple sub-tables, suitable for massive data sets. BLACKHOLE: Discard all written data, used for testing or deleting data.

What type to choose when creating a new data table in Navicat?

New data table type selection in Navicat

When creating a new data table, Navicat provides a variety of tables Types are available for you to choose, depending on the intended use of the table.

1. InnoDB

  • The default and most common table type.
  • Supports transactions, foreign keys and crash recovery.
  • Provides row-level locking to ensure concurrency.

2. MyISAM

  • A non-transactional table type, but faster than InnoDB.
  • Does not support transactions or foreign keys.
  • Provides table-level locking, which may cause conflicts.

3. MEMORY

  • Store data in memory, very fast.
  • Very useful for data that needs to be accessed quickly and does not require persistent storage.
  • Data will be lost when the server is restarted.

4. Merge

  • Distribute data across multiple subtables.
  • Very useful for massive data sets and can improve performance.
  • Partitioning is not supported.

5. BLACKHOLE

  • A special table that discards all data written.
  • Use for testing purposes or to delete unnecessary data.

Selection criteria

  • Transactions and concurrency: If you need transaction support and high concurrency, choose InnoDB.
  • Speed: If speed is the primary consideration, choose MyISAM or MEMORY.
  • Memory Usage: Select MEMORY if the data will be used in memory.
  • Data volume: If the data volume is large, consider using the Merge table.
  • Special Purpose: For testing or deleting data, use the BLACKHOLE table.

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