#Select into in postgresql how to#

#Select into in postgresql how to#

I mention how to do this because, I forgot for longer than I want to admit that this can be accomplished without a sub-query.įacebook Categories Categories Archives Archives Tags #Meme15 #TSQL2sDay. you understand the core concepts of modern SQL in database systems such as MySQL, PostgreSQL, Oracle and MS SQL, one step at a time. SELECT plan_handle, execution_count, total_elapsed_timeĬreating temporary tables in this fashion is easy and simple. Query to UNION results into temporary table. An example of UNIONing the results from sys.dm_exec_query_stats and sys.dm_exec_query_stats into a temporary table is provided in listing 1. The INTO for the SELECT INTO goes into the first query of the set. fork should be 'main' for the main data fork, 'fsm' for the free space map, 'vm. This allows a single time-consistent copy of the block to be obtained.

getrawpage reads the specified block of the named relation and returns a copy as a bytea value. This is actually a pretty simple thing to do. getrawpage (relname text, fork text, blkno bigint) returns bytea. How do you place a final resultset from a UNION, EXCEPT, or INTERSECT into a temporary table using SELECT INTO? Where does the INTO portion of the query go? What makes this interesting is when I am using UNION to join the results. I’ve done this while developing solutions for business needs and when analyzing performance for different environments. On occassion, I need to take a number of different result sets and combine them into a single output, which I then want to store in a temporary table.