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  3. Functions for Manipulating Data in SQL Server

Exercise

Storing dates in a database

In this exercise, you will practice your knowledge of the different data types you can use in SQL Server. You will add more columns to the voters table and decide which is the most appropriate data type for each of them.

The syntax for adding a new column in a table is the following:

ALTER TABLE table_name
ADD column_name data_type

Remember, the most common date/time data types are:

  • date
  • time
  • datetime
  • datetime2
  • smalldatetime.

Instructions 1/3

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  • 1

    Add a new column with the correct data type, for storing the last date a person voted ("2018-01-17").

  • 2

    Add a new column called last_vote_time, to keep track of the most recent time when a person voted ("16:55:00").

  • 3

    Add a new column,last_login, storing the most recent time a person accessed the application ("2019-02-02 13:44:00").