A Winkler titration to determine the concentration of dissolved oxygen in a water sample. The dissolved oxygen has been converted to an equivalent amount of iodine, which is being titrated with thiosulfate using a starch indicator.
Your preferred first name and/or last name can now be recorded in addition to your legal names. For example, if your first name is 'Alphonsus', but you'd much rather be known as 'Alf', you can add that information to your records. For less formal communications, HR will use your preferred name.or example, if your first name is 'Alphonsus', but you'd much rather be known as 'Alf', you can add that information to your records. For less formal communications, HR will use your preferred name.
In the above query, the column first_name is given a alias as 'name'. So when the result is displayed the column name appears as 'Name' instead of 'first_name'. Aliases for tables: In the above query, alias 's' is defined for the table student_details and the column first_name is selected from the table.