关于ACCESS数据库的基础问题!

zj0618

大家好，小弟我最近要搞一个数据库中有非常多表的东西，就想问问大家一个数据库最多能建多少张表，一个表最多能存放多少条数据！

cattjiu

Microsoft Access database general specifications       

Attribute        Maximum
Microsoft Access database (.mdb) file size        2 gigabytes. However, because your database can include linked tables in other files, its total size is limited only by available storage capacity.
Number of objects in a database        32,768
Modules (including forms and reports with the HasModule property set to True)        1,000
Number of characters in an object name        64
Number of characters in a password        14
Number of characters in a user name or group name        20
Number of concurrent users        255

Microsoft Access project general specifications       

Attribute        Maximum
Number of objects in a Microsoft Access project (.adp)        32,768
Modules (including forms and reports with the HasModule property set to True)        1,000
Number of characters in an object name        64

Microsoft Access database table specifications       

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 may be less because of tables open internally by Microsoft Access.
Table size        1 gigabyte
Number of characters in a Text field        255
Number of characters in a Memo field        65,535 when entering data through the user interface;
        1 gigabyte 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)        2,000
Number of characters in a field property setting        255
       
       
       
       
       

Microsoft Access database query specifications       

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 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 ANDs in a WHERE or HAVING clause        40
Number of characters in an SQL statement        approximately 64,000

Form and report specifications       

Attribute        Maximum
Number of characters in a label        2,048
Number of characters in a text box        65,535
Form or report width        22 in. (55.87 cm)
Section height        22 in. (55.87 cm)
Height of all sections plus section headers (in Design view)        200 in. (508 cm)
Number of levels of nested forms or reports        3
Number of fields or expressions you can sort or group on in a report        10
Number of headers and footers in a report        1 report header/footer; 1 page header/footer; 10 group headers/footers
Number of printed pages in a report        65,536
Number of controls and sections you can add over the lifetime of the form or report        754

Macro specifications       

Attribute        Maximum
Number of actions in a macro        999
Number of characters in a condition        255
Number of characters in a comment        255
Number of characters in an action argument        255