I try to do this, but it’s a syntax error, what am I doing wrong? my table: Answer You need to use the INTO clause in the RETURNING to set the value being returned into your variable: You also need to specify the data type of your variable; I’m glad to see postgresql supports %TYPE and %ROWTYPE.
I’d like to show the observation number for each record returned by a PostgreSQL query. I think in 8.4 windowing functions can perform this capability.
I have a table with a billion rows and I would like to determine the average time and standard deviation of time for several queries of the form: I have a thousand random values for col1 stored in another table. Is there some way to store how long each of these queries took (in milliseconds) in a separate table, so
In mysql I am able to do this: now in postgresql I am using this query: but I get this error: How can I resolve ? Answer Use an interval instead of an integer:
I would like to get the columns that an index is on in PostgreSQL. In MySQL you can use SHOW INDEXES FOR table and look at the Column_name column. Does anything like this exist for PostgreSQL? I’ve tried d at the psql command prompt (with the -E option to show SQL) but it doesn’t show the information I’m looking for.
I’m trying to modify a table inside my PostgreSQL database, but it says there is duplicate! what is the best way to find a duplicate value inside a table? kinda a select query?
I have a Postgresql dump file which i’m trying to restore. I get this error regarding an invalid data i guess. ERROR: invalid input syntax for integer: “.” and when i checked the file, there are …
I am using a set of SQL LIKE conditions to go through the alphabet and list all items beginning with the appropriate letter, e.g. to get all books where the title starts with the letter “A”: That’s fine for letters, but how do I list all items starting with any number? For what it’s worth this is on a Postgres
Using PostgreSQL triggers, is it possible to record the changes that have happened to a table due to INSERT or UPDATE SQL statements and log them to a file for later execution. This is only to be used temporally so just something quick and dirty would do. Answer example of an audit trigger from https://www.postgresql.org/docs/current/static/plpgsql-trigger.html
I have the following table: tickername | tickerbbname | tickertype ————+—————+———— USDZAR | USDZAR Curncy | C EURCZK | EURCZK Curncy | C EURPLN | EURPLN …