How many pieces of data can be stored in a MySQL table?

The storage capacity of MySQL tables depends on the table structure, storage engine and server configuration. The maximum number of rows is 92.2 billion, and the maximum table size is 64TB (uncompressed) or 32TB (compressed). Practical limitations and performance considerations will affect actual capacity.

The amount of data that can be stored in a MySQL table

The amount of data that can be stored in a table in MySQL depends on how many factors, including table structure, storage engine, and server configuration.

Determining factors:

• Table structure: The structure of the table determines the length of each row. The number, data type, and length of columns all affect the overall size of the table.
• Storage engine: Different storage engines have different optimizations for data storage, so the maximum number of rows and table sizes they support are also different.
• Server configuration: Server configuration (such as innodb_file_per_table and innodb_file_format) also affects the maximum size of a table.

Maximum value:

In MySQL 8.0, tables created using the InnoDB storage engine have the following maximum value:

• Number of rows: 2^63 - 1 (approximately 92.2 billion)
• Table size: 64TB (uncompressed) or 32TB (compressed)

Additional Notes:

• Practical Limits:While these are theoretical maximums, actual limits are typically lower, depending on hardware and server configuration.
• Performance considerations: Tables storing large amounts of data may cause performance issues, especially when it comes to queries and updates.
• Partitioning: For large tables, partitioning can improve performance and manageability. Partitioning splits a table into smaller chunks that can be stored in different files or storage devices.

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