Following problem: Query 2 and Query 3 depend on the results of Query 1 and Query 4 depends on the results of query 2. How would you express these queries without executing the same query multiple ti
Fist a little background: I\'m using Rails 3.0.7, Postgres 9.0 and MetaWhere/MetaSearch 1.0.4 I have a very frustrating problem with getting the unique records when querying the my database.
It\'s possible to find a table name by an id? I have multiple tables that extends another table, when I find the id in the \"super\" table, I\'d like to know in which subtable is that id.
The docs for Pg\'s Window function say: The rows considered by a window function are those of the \"virtual table\" produced by the query\'s FROM clause as filtered by its WHERE, GROUP BY, and HAVIN
I am trying to create a开发者_如何转开发 Left function in PostgreSQL as under CREATE OR REPLACE FUNCTION LEFT(text, integer) RETURNS text
Is there any reason this function call would not return \'result\'? CREATE OR REPLACE FUNCTION myfunction (input int, OUT result int) AS $$
So, I get this error message: EDT ERROR:syntax error at or near \"union\" at character 436 The query in question is a large query that consists of 12 smaller queries all connected together with UNI
I am trying to run my report created on iReport 4 on the jasperserver with a postgresql database (On my localhost).
I\'m planning on distributing postgre开发者_如何学Pythonsql with my windows application but the size of postgresql is too big, what are some of the file that can be removed from the package to reduce
My postgres database in UTF-8 and client in UTF-8 too. When i try to: select xmlelement(name pampam, xmlattributes(\'русский\' as \"top\"));