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ADO::DataTypeEnum
Specifies the data type of a Field, or Property.
Constant | Value | Description |
---|---|---|
adBoolean |
11 | Indicates a boolean value. |
adBSTR |
8 | Indicates a null-terminated character string (Unicode). |
adChar |
129 | Indicates a string value. |
adCurrency |
6 | Indicates a currency value. Currency is a fixed-point number with four digits to the right of the decimal point. It is stored in an eight-byte signed integer scaled by 10,000. |
adDate |
7 | Indicates a date value. A date is stored as a double, the whole part of which is the number of days since December 30, 1899, and the fractional part of which is the fraction of a day. |
adDecimal |
14 | Indicates an exact numeric value with a fixed precision and scale. |
adDouble |
5 | Indicates a double-precision floating-point value. |
adEmpty |
0 | Specifies no value. |
adInteger |
3 | Indicates a four-byte signed integer. |
adGUID | 72 | Indicates a globally unique identifier (GUID). |
adLongVarWChar |
203 | Indicates a long null-terminated Unicode string value. |
adNumeric |
131 | Indicates an exact numeric value with a fixed precision and scale. |
adSingle |
4 | Indicates a single-precision floating-point value. |
adSmallInt |
2 | Indicates a two-byte signed integer. |
adTinyInt |
16 | Indicates a one-byte signed integer. |
adUnsignedInt |
19 | Indicates a four-byte unsigned integer. |
adUnsignedSmallInt |
18 | Indicates a two-byte unsigned integer. |
adUnsignedTinyInt |
17 | Indicates a one-byte unsigned integer. |
adUserDefined |
132 | Indicates a user-defined variable. |
adVarBinary |
204 | Indicates a binary value. |
adVarChar |
200 | Indicates a string value. |
adVarNumeric |
139 | Indicates a numeric value. |
adVarWChar |
202 | Indicates a null-terminated Unicode character string. |
adWChar |
130 | Indicates a null-terminated Unicode character string. |
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