How many fields can a SQL table hold?

Question

Answer. For the columns in a table, there is a maximum limit of 1024 columns in a table. SQL Server does have a wide-table feature that allows a table to have up to 30,000 columns instead of 1024. 17 июн. 2018 г.

How many fields can a table have?

In Access, you can define up to 255 fields in a table. If you create 255 fields and then delete 10, Access does not release the fields from the internal column count. Also, for every field whose properties you modify, Access creates a new field and does not release the original field from the internal column count.

How many fields is too many for a table?

There is no constraint on number of fields in database theory. A table can be limited to a primary key (even if this primary key is made of 2 fields), meaning that Apocalisp's answer is not very clear.

How many rows a SQL table can hold?

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.

How big can a SQL table be?

The number of tables in a database is limited only by the number of objects allowed in a database (2,147,483,647). A standard user-defined table can have up to 1,024 columns. The number of rows in the table is limited only by the storage capacity of the server.

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