What is the limit of indexed columns that can be created for a table in MySQL?
A table can contain a maximum of 1017 columns (raised in MySQL 5.6. 9 from the earlier limit of 1000). Virtual generated columns are included in this limit. A table can contain a maximum of 64 secondary indexes.
What is the limit of MySQL table?
MySQL has no limit on the number of tables. The underlying file system may have a limit on the number of files that represent tables. Individual storage engines may impose engine-specific constraints. InnoDB permits up to 4 billion tables.
What is the maximum length of a database name in MySQL?
64 characters
Names for databases, tables, columns, and indexes can be up to 64 characters long. Alias names can be up to 256 characters long.
What is row length in MySQL?
The internal representation of a MySQL table has a maximum row size limit of 65,535 bytes, even if the storage engine is capable of supporting larger rows. BLOB and TEXT columns only contribute 9 to 12 bytes toward the row size limit because their contents are stored separately from the rest of the row.
What is the maximum length of a table name in SAP?
Maximum table name length supported in SAP HANA is 127 characters.
What is the maximum index length in MySQL?
When innodb_large_prefix is enabled, attempting to create an index prefix with a key length greater than 3072 for a REDUNDANT or COMPACT table causes an ER_INDEX_COLUMN_TOO_LONG error. The InnoDB internal maximum key length is 3500 bytes, but MySQL itself restricts this to 3072 bytes.
What’s the maximum number of columns in a table in MySQL?
A table can contain a maximum of 1017 columns (raised in MySQL 5.6.9 from the earlier limit of 1000). Virtual generated columns are included in this limit. A table can contain a maximum of 64 secondary indexes .
How big is a table in MySQL 14.23?
14.23 InnoDB Limits InnoDB Page Size Maximum Tablespace Size 4KB 16TB 8KB 32TB 16KB 64TB 32KB 128TB
Is there a limit to the number of indexes in a table?
A table can contain a maximum of 1000 columns. A table can contain a maximum of 64 secondary indexes. By default, an index key for a single-column index can be up to 767 bytes. The same length limit applies to any index key prefix.