Contents
What are the field types in access?
Data types for Access desktop databases
| Data Type | Usage | Size |
|---|---|---|
| Number | Numeric data. | 1, 2, 4, 8, or 16 bytes. |
| Date/Time | Dates and times. | 8 bytes. |
| Currency | Monetary data, stored with 4 decimal places of precision. | 8 bytes. |
| AutoNumber | Unique value generated by Access for each new record. | 4 bytes (16 bytes for ReplicationID). |
How to get the type of a column?
SELECT TYPE_NAME(system_type_id) FROM sys.columns WHERE name = ‘column_name’ AND [object_id] = OBJECT_ID(‘[dbo].[table_name]’); This will return the values Column Name, showing you the names of the columns, and the Data Types of those columns (ints, varchars, etc).
Can a multi select column be used in a whole column?
Multi-select columns are supported in the following types of forms: You can use global choices that are defined in your organization to configure values for the multi-select choices. When choosing the correct type of number column to use, the choice to use a Whole Number or Currency type should be straightforward.
What are the different types of column data?
Status: A system column that has options that generally correspond to active and inactive status. Some system attributes have additional options, but all custom attributes have only Active and Inactive status options. Unique Identifier: A system column stores a globally unique identifier (GUID) value for each row.
How are number and currency column types used?
Both the Number and Currency column types store numerical values, and both provide predefined formats that determine how data appears. Use a Number column to store numeric data for mathematical calculations that aren’t financial calculations or don’t require a high degree of accuracy.