Tagged Questions
0
votes
1answer
28 views
Reinsert data in new table with new IDs
I have the following two tables:
buynsell
CREATE TABLE `buynsell` (
`id` VARCHAR(20) NULL DEFAULT NULL,
`msg` VARCHAR(255) NULL DEFAULT NULL,
`date` VARCHAR(25) NULL DEFAULT NULL,
...
3
votes
2answers
866 views
Mysql load from infile stuck waiting on hard drive
I've got a windows 7 64 bit machine that I'm using for some load testing of a mysql db. My program uses sqlalchemy to connect and run several load from infile statements on said database. These bulk ...
2
votes
1answer
101 views
After dropping the clustered index, it is still attempting to do a clustered insert
I am trying to convert data from one database system to another. One of the tables I need to transfer and format contains over 10 million rows.
I am running the following script to do it:
USE ...
1
vote
1answer
103 views
In a simple table with no complex indexes, does a large number of existing rows slow down an INSERT?
I have this small, simple table:
CREATE TABLE `ads_tracker` (
`id` int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY,
`type` smallint unsigned NOT NULL,
`reference` smallint unsigned NOT NULL,
...
5
votes
2answers
2k views
BULK INSERT - best usage
I need to export 150 million rows of only int/bigint columns from one SQL instance to another. I am using BCP queryout to export the rows and BULK INSERT to import the rows to another table.
I split ...