Database Programming

What are field names in table?

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2012-09-03 14:42:10
2012-09-03 14:42:10

Student_id is the field in the tables

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can table and field names be up to 64 characters in length?


At the top of each column of each table.



In SQL, the table and the field names can have a maximum of 64 characters in length. The alias, on the other hand, can have a maximum length of 256 characters.


The names on the periodic table of Mendeleev are the names of chemical elements.


For creating a table we need to mention the field names and data types . Numbers is a datatype in database for storing integers in a field .


Column names do not have to be unique within a database; they only have to be unique within a particular table. If a query joins two table where each contains a field with the same name and that field is specified in the SELECT or WHERE clause, not qualifying the column name with the table name results in ambiguity as to which field is desired.


A field name is the name of the column or field in a data table which stores a particular set of data. A field name should be as descriptive as possible to describe the data stored in that field. For example, a table storing data about cars may have a field to store the color of the car. This field should be named COLOR or CAR_COLOR or something otherwise descriptive of the data that field is storing.


there are no animal names in the periodic table.


Well, a field in a spreadsheet is like, say if i had a table and it was like one of the boxes in that table and i had A,6 then that is a field!


No. Each field has to have a unique name. If they don't then it is not possible to distinguish one field from another. If there is a situation where you might want names to be the same, then use ones that are similar, making adding a number to them, like AddressLine1 and AddressLine2 etc.


A table is comprised of fields.


When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.When designing the table you can go to the properties of a field and one of the settings there allows you to set a default value for that field.


These names are the names of chemical elements.


names of people who contribute in the field of management



These names are the names of chemical elements.


Field names can be a maximum of _____ characters in length


a field that is the same as one in another table


The names might be too long to be written on the periodic table, so symbols are preferred.



It depends on the field's dependencies. If the field has no dependencies then there are no consequences. Data that depends on the table is a dependency, as is code and other tables that depend upon the field.


In a database, a field that uniquely identifies a particular record in a table is called


Field size automatically fills in a certain value in new records as you add to the table.


When you create a table, you define the field names and the type of data they will contain. As an example (for Microsoft SQL Server)... CREATE TABLE SampleTable ( SampleTableID AS INT, SampleTableFirstName AS VARCHAR(50), SampleTableLastName AS VARCHAR(50), SampleTableAge AS DOUBLE ) In the above example, the field names all are prefixed with SampleTable (just for illustration) and the datatypes all follow the AS keyword.



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