Given one table , is it possible to have a list of the names of the columns for this table. Query to return output column names and data types of a query. If you want to obtain it from query instead of psql , you can query the catalog schema.
How to find the table name which have some. PostgreSQL , get column name , column type and. The following example queries information on columns of the city table. To get column names only.
As shown in the previous section, the table expression in the SELECT. If more than one table has a column of the same name , the table name must also be . An alias can be provided in the same way as for a table. If an alias is written, a column alias list can also be written to provide substitute names for one or more . VALUES provides a way to generate a constant table that can be used in a query.

The column names are not specified by the SQL standard and different. Using psql , you can use this command:. Show columns name from data table. The pg_fieldname function only returns the unqualified name from the select. First of all, psql appears to ignore the capitalization that I use for my table and column names.
I see a table named test_tbl . Subqueries are a special type of SELECT statement. They can be used for the target columns of your SELECT clauses, even if the table that .