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v2.0

Documentation:v2.0

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Usage Limitations

This document describes the common usage limitations of MogDB.

Item Upper limit
Database capacity Depend on operating systems and hardware
Size of a single table 32 TB
Size of a single row 1 GB
Size of a single field in a row 1 GB
Number of rows in a single table 281474976710656 (248)
Number of columns in a single table 250~1600 (Varies depending on different field types)
Number of indexes in a single table Unlimited
Number of columns in a compound index 32
Number of constraints in a single table Unlimited
Number of concurrent connections 10000
Number of partitions in a partition table 32768 (Range partition)/64 (HASH/List partition)
Size of a single partition 32 TB
Number of rows in a single partition 255
Maximum length of SQL text 1048576 bytes (1MB)
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