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You can use AS for table aliasing on many SQL servers (at least MsSQL, MySQL, PostrgreSQL) but it's always optional and on Oracle it's illegal. So remove the AS: SELECT G.Guest_ID, G.First_Name, G.Last_Name FROM Guest G
Oracle Alias. Summary: in this tutorial, you will learn how to use Oracle alias including column and table aliases to make the heading of the output more meaningful and to improve the readability of a query.
21 sie 2014 · Oracle Database will use this alias in the column heading of the result set. The AS keyword is optional. The alias effectively renames the select list item for the duration of the query. The alias can be used in the order_by_clause but not other clauses in the query.
This Oracle tutorial explains how to use Oracle ALIASES (temporary names for columns or tables) with syntax and examples. Oracle ALIASES can be used to create a temporary name for columns or tables.
Oracle Database will use this alias in the column heading of the result set. The AS keyword is optional. The alias effectively renames the select list item for the duration of the query.
The AS clause allows you to give an alias name to EQL attributes and results. The alias name can be given to an attribute, attribute list, expression result, or query result set. The aliased name is temporary, as it does not persist across different EQL queries.
Define an alias simply by using the alias keyword followed by a single identifier name followed by an '='. Anything after the '=' will be used as the alias contents. If it is SQL, it will be terminated by ';'. If it is PL/SQL, it will be terminated by '/'.
