以下为Access2007版本的规格及数据库最大容量
Attribute | Maximum | Access database (.accdb) file size | 2 gigabytes, minus the space needed for system objects
Note: Although the maximum size for a single database file is 2GB, you can work around this limitation by using a split database. A front-end database file can point to thousands of back-end database files, each of which could be as large as 2GB. | Number of objects in a database | 32,768 | Number of modules (including forms and reports that have the HasModule property set to True) | 1,000 | Number of characters in an object name | 64 | Number of characters in a password | 20 (for MS Access 2007)
14 (for MS Access 2003) | Number of characters in a user name or group name | 20 | Number of concurrent users | 255 |
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Table Attribute | Maximum | Number of characters in a table name | 64 | Number of characters in a field name | 64 | Number of fields in a table | 255 | Number of open tables | 2048; the actual number might be smaller because of tables opened internally by Access | Table size | 2 gigabyte minus the space needed for the system objects | Number of characters in a Text field | 255 | Number of characters in a Memo field | 65,535 when entering data through the user interface;
2 gigabytes (for MS Access 2007) and 1 gigabyte (for MS Access 2003) of character storage when entering data programmatically | Size of an OLE Object field | 1 gigabyte | Number of indexes in a table | 32 | Number of fields in an index | 10 | Number of characters in a validation message | 255 | Number of characters in a validation rule | 2,048 | Number of characters in a table or field description | 255 | Number of characters in a record (excluding Memo and OLE Object fields) when theUnicodeCompression property of the fields is set to Yes | 4,000 | Number of characters in a field property setting | 255 |
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Query Attribute | Maximum | Number of enforced relationships | 32 per table, minus the number of indexes that are on the table for fields or combinations of fields that are not involved in relationships* | Number of tables in a query | 32* | Number of joins in a query | 16* | Number of fields in a recordset | 255 | Recordset size | 1 gigabyte | Sort limit | 255 characters in one or more fields | Number of levels of nested queries | 50* | Number of characters in a cell in the query design grid | 1,024 | Number of characters for a parameter in a parameter query | 255 | Number of AND operators in a WHERE or HAVING clause | 99* | Number of characters in an SQL statement | Approximately 64,000* |
[size=13.3333330154419px]*Maximum values might be lower if the query includes multivalued lookup fields.
以下为Access2000版本的规格及数据库最大容量 MS Access 2000Attribute | Maximum | Max mdb file size | 2GB | Max table size | 1GB | Max objects in database | 32768 | Max modules in database | 1000 | Max object name length | 64 | Max password length | 14 | Max user/group name length | 20 | Max users connected to database | 255 | Max record length (without Memos and BLOBs) | 2048 | Max fields in table | 255 |
以下为Access97版本的规格及数据库最大容量 MS Access 1997Attribute | Maximum | Max mdb file size | 1GB | Max objects in database | 32768 | Max modules in database | 1024 | Max object name length | 64 | Max password length | 14 | Max user/group name length | 20 | Max users connected to database | 255 | Max record length (without Memos and BLOBs) | 2048 | Max fields in table | 255 | Max nested transactions | 7 |
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