Represents that the column at the specified index does not exist.

Represents that the column contains a signed long.

Represents that the column contains an unsigned long.

Represents that the column contains a signed short.

Represents that the column contains an unsigned short.

Represents that the column contains a signed 64-bit integer.

Represents that the column contains an unsigned 64-bit integer.

Represents that the column contains an unsigned 8-bit integer.

Represents that the column contains a 1-bit flag.

Represents that the column contains timestamp information.

Represents that the column contains date information.

Represents that the column contains time information.

Represents that the column contains a double precision floating-point number (8 bytes).

Represents that the column contains a single precision floating-point number (4 bytes).

Represents that the column contains exact numerical data, with specified precision and scale.

Represents that the column contains binary data with a specified maximum length.

Represents that the column contains character data with a specified length.

Represents that the column contains character data with variable length.

Represents that the column contains binary data with variable length.

Represents that the column contains a UUID.

Represents that the column contains spatial data in the form of points.

Represents that the column contains timestamp and time zone information.