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Field size
Field size defines the maximum number of characters or numbers that a particular field can hold
A text field can hold both numbers and text. Sometimes they are referred to as alphanumeric fields.
They are, respectively, the multiplicative and additive identities for the field of numbers.
The set of complex numbers is a field which contains the set of real numbers as a proper subfield.
text
text
A text field can contain both numbers and text, so that is what you would use.
The field can contain any characters. A maximum number of 255 characters is allowed in a field whose data type is Text.
Field size
Field size defines the maximum number of characters or numbers that a particular field can hold
Number
A text field can hold both numbers and text. Sometimes they are referred to as alphanumeric fields.
They are, respectively, the multiplicative and additive identities for the field of numbers.
This is true in any database (Access, Oracle). A number field is technically called a "NUMERIC" field. Only numbers can be inserted into a field that has this designator. A text field is for characters or numbers. It can be a "CHAR" (character), a VARCHAR (characters or numbers). It's basically a way of putting rules on columns--what type of data belongs there.
The data type of a field determines the kind of data it can contain. For example, a field with a data type of "Text" can contain letters and numbers, while a field with a data type of "Number" can only contain numerical values. The data type is set when designing the database schema.
I don't know what you mean by that, but I am going to say no. HTML only works in HTML. You can add special characters to HTML by doing: & copy; & trade; & reg;