I\'m trying to create a sequence owned by multiple tables, to have a unique identifier over more tables. The only workaround i can think about right know is using a nextval(blabla_id_seq) when INSERTi
I have a table with the following schema COLUMN_NAME, ORDINAL_POSITION,...., NUMERIC_PRECISION_INTEGER
Can one specify the EXTENDED storage type for a column as part开发者_如何学运维 of CREATE TABLE?If yes, would it also work under Postgres 8.1?
Having trouble with SQ开发者_Python百科L (currently using postgresql) I have this query as I need to compare the most recent item and the second most recent item:
I want to know the basics of dynamic sql especially in PostgreSQL. I was googling for a while but have no luck for getting a good described examples. Maybe someone here could give me some links to the
Friends: in PostgreSQL plpython, am trying to do an iterative search/replace in a text block \'data\'.
Is it possible to use oid data type as primary key? CREATE TABLE \"Test\" ( id oid NOT NULL DEFAULT nextval(\'\"Test_id_seq\"\'::regclass),
I have two SQL Statements with the same Join and Where clause, but i have the problem that the select statement gives me a different number of lines (in my case 42) as the update statement will change
I\'m saving data to a PostgreSQL backend through Django.Many of the fields in my models are DecimalFields set to arbitrarily high max_digits and decimal_places, corresponding to numeric columns in the
How to store and retrieve data stored in diff开发者_JAVA百科erent languages (Could be Chinese, Hindi, French or any other which has peculiar characters in it).
加载中,请稍侯......