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Access Technical Limitations and Notes

Microsoft Access Table

AttributeMaximum
Number of characters in a table name64
Number of characters in a field name64
Number of fields in a table255
Number of open tables2048; 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 - Acc 2003
  • 2 gigabytes - Acc XP
  • 1 gigabytes - Acc 2000
Number of characters in a Memo field65,535 when entering data through the user interface;
1 gigabyte of character storage when entering data programmatically
Size of an OLE Object field1 gigabyte
Number of indexes in a table32
Number of fields in an index10
Number of characters in a validation message255
Number of characters in a validation rule2048
Number of characters in a table or field description255
Number of characters in a record (excluding Memo and OLE Object fields) when the property of the fields is set to yes
  • 4000 - Acc 2003
  • 2000 - Acc XP
Number of characters in a field property setting255

Microsoft Access Query

AttributeMaximum
Number of enforced relationships32 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 query32
Number of fields in a recordset255
Recordset size1 gigabyte
Sort limit255 characters in one or more fields
Number of levels of nested queries50
Number of characters in a cell in the query design grid1024
Number of characters for a parameter in a parameter query255
Number of ANDs in a WHERE or HAVING clause99
Number of characters in an SQL statementApproximately 64,000

Microsoft Access Forms and Reports

AttributeMaximum
Number of characters in a label2048
Number of characters in a text box65,535
Form or report width22 in. (55.87 cm)
Section height22 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 - Acc 2003
  • 7 - Acc XP
  • 3 - Acc 2000
Number of fields or expressions you can sort or group on in a report10
Number of headers and footers in a report1 report header/footer; 1 page header/footer; 10 group headers/footers
Number of printed pages in a report65,536
Number of controls and sections you can add over the lifetime of the form or report
754

Microsoft Access Macros

AttributeMaximum
Number of actions in a macro (macro: An action or set of actions that you can use to automate tasks.)999
Number of characters in a condition (condition: Part of the criteria that a field must meet for searching or filtering. Some conditions must be used with a value; for example, the field Author with the condition equals with the value Jane.)255
Number of characters in a comment255
Number of characters in an action argument (action argument: Additional information required by some macro actions. Example: the object affected by the action or special conditions under which the action is carried out.)255

Database Size

Generally accepted limits are solutions with 1 GB or less of data (Access supports up to 2 GB).


By Admin at 15 Nov 2016, 16:56 PM

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