I have view for which it only makes sense to use a certain ordering. What I would like to do is to include the ORDER BY clause in the view, so that all SELECTs on that view can omit it开发者_运维技巧.
I\'m currently writing some installer script that fires SQL files against different database types depending on the system\'s configuration (the webapplication supports multiple database server like M
I have strange (?) problem with ordering in Postgres by foreign key. It\'s second table & query that takes much longer with order by than without.
is it possible to somehow use function register_composite from psycopg2, when i am using开发者_开发百科 sqlalchemy to connect to postgresql database?
After loading data from a csv into an existing Postgres table, I will have duplicate records that need to be merged.To do this, I plan on using a stored procedure that does the following:
I have this procedure in the database: CREATE OR REPLACE FUNCTION replacePageRelevance(id INT, value REAL) RETURNS VOID AS $$
开发者_运维技巧 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form.
so the code I am working on has this statement executed by PHP (note:This is taken from the PostgreSQL log file so it doesn\'t include any PHP stuff):
I have this procedure in the database: CREATE OR REPLACE FUNCTION replacePageRelevance(id INT, value REAL) RETURNS VOID AS $$
I have a transactions table which contains a category (category_id), an amount (amount) and a flag (managed) which can be开发者_开发问答 true or false.
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