Related to Database
- Microsoft Access database (.mdb) file size
2 gigabytes minus the space needed for system objects. - 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
Related to Tables
- 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 opened internally by Microsoft 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;
1 gigabyte 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 the UnicodeCompression property of the fields is set to Yes
4,000 - Number of characters in a field property setting
255
Maximum related to query
- 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
99 - Number of characters in an SQL statement approximately
64,000
Maximum related to form and report
- 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
7 - 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 - Number of characters in an SQL statement that serves as the Recordsource or Rowsource property of a form, report, or control (both .mdb and .adp)
32,750
Access Limitations related to Macros
- 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
Hope this helps in your studies.
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