I want to use the legacy tables to create a view to perform calcuations using SUM(). "group" is a different column name than "GROUP". A name can contain up to 128 characters. Use double quotes and be sure to use the case that the column name was defined with, default is UPPER case. Is "type" a reserved word in mysql, Avoid using ISO reserved keywords for object names and identifiers. – 32bitfloat Sep 12 '12 at 15:25 It acts as if your GUI tool passed an uppercase column name, including double quotes, to PostgreSQL. A table alias is helpful for user convenience and ease of use for complex queries. ; The COLUMN keyword in the statement is optional therefore you can omit it like this: ArcGIS does not consume quotes, so it is looking for that column name to be as not "as" and not find it. How can we use MySQL function STR_TO_DATE(Column, ‘%input_format’)? Is name a reserved word in MySQL? Also, we can use reserved keywords as a column alias, but not for tables. I am not sure how you created that table b/c at times Postgres will automatically quote things even without you knowing it. By using column aliases, the query output can become more meaningful. As this is somehow not a problem for MySQL we decided to add support for PostgreSQL also by adding quotes where needed. E.g. One of the legacy columns is called "percent" (as reserved word). postgresql. Proposed resolution Add new reserved words for PostgreSQL … ; Third, specify the new name for the column after the TO keyword. And it becomes case sensitive. ; Second, provide name of the column that you want to rename after the RENAME COLUMN keywords. How can we use the MySQL reserved words as an identifier? What I wanted to know is, why the word ID has to be quoted, or which functionality is connected to ID, that I have to quote it for using it as a column name. Can we use MySQL keyword as alias name for a column? To use a reserved word or a name with "illegal" characters (such as a space) for an identifier, you need to quote the identifier. ... AND translations. A name cannot be the same as another PostgreSQL object that has the same type. This issue is part of [#2157455]. "COLUMN" = 'description' A name cannot be a PostgreSQL reserved word, such as WHERE or VIEW. When copying the military features schema to a postgres database the entity column is changed to database.table.entity because the entity field appears to be a reserved keyword. Eg. The keyword AS can be used between the column or table name and the alias name, but this is optional. Problem/Motivation Some migrate tables use reserved keywords as column name like OFFSET currently causing exceptions on PostgreSQL because such names need quoting to work. The ODBC reserved keyword list, shown in the following table, is the same Transact-SQL reserved keywords can be used as identifiers or names of databases or database objects, such as tables, columns, views, and so on. In this statement: First, specify the name of the table that contains the column which you want to rename after the ALTER TABLE clause. Postgres differentiates from the reserved word by putting it in quotes. ALTER TABLE test RENAME COLUMN sum TO "group"; Note that when using quoted idenfifiers, you need to always quote it. bad: cast varchar(256), good: "cast" varchar(256) However, the problem is that all of the built in Postgres handling for queries do not wrap field names in double quotes. While creating a MySQL table use the reserved keyword ‘Key’ Can we use “rank” as column name with MySQL8? The first character in a name can be a letter, @, _, or #. 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