A core statement in SQL that does what it says on the tin: inserts data into a table.

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Problem with INSERT function

I use this function INSERT (http://www.smallsql.de/doc/sql-functions/string/insert.html) to add a value in a data: INSERT (log, POSITION(' edited' IN log), 1, 'NOW()') I use also the NOW function ...
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What is the fastest way to insert large numbers of rows?

I have a database where I load files into a staging table, from this staging table i have 1-2 joins to resolve some foreign keys and then insert this rows into the final table (which has one partition ...
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266 views

INSERT take too much time

I have in my MySQL DB a few tables Most of the time, I'm only doing INSERT in my db. I have up to 4 connections to the DB, each one inserting into a different table. There cannot be two connections ...
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257 views

Return ID from partitioned table in postgres?

When I insert a record I need to return the inserted id by RETURNING. The problem is that the table is partitioned and in partitioned table I can't use RETURNING. I run multiple queries at once so I'm ...
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Optimize PostgreSQL for a lot of INSERTS and bytea updates

What we have (software): PostrgeSQL 9.3 with base configuration (no changes in postgresql.conf) Windows 7 64 bit Hardware: Intel Core i7-3770 3.9 Ghz 32 Gb RAM WDC WD10EZRX-00L4HBAta Drive ...
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Slow insert - 300+ Million Records

The following query takes over an hour on the table to insert. There are no indexes. There was one which was deleted but still takes an hour after deletion. Any pointers on improving this ...
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Overcoming the HDD IOPS limits on a billion row table? Is getting SSD the only solution?

I have a table with this structure: CREATE TABLE `requests` ( `userid` int(11) NOT NULL, `messageid` int(11) NOT NULL, `queueid` int(11) NOT NULL AUTO_INCREMENT, `problem_id` int(3) NOT NULL, ...
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82 views

prepared statements are not inserted

i am new to JDBC and trying following code. Could not find the error in it try{ Connection con = ConnectionProvider.getCon(); stmt=con.prepareStatement("insert into ...
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2k views

Move values from one table to another one via stored procedure in sql server 2008

I have two tables Login (userid, username, password) audit_login (userid, Transaction_Date, Status (success or failed) Now I want create a stored procedure in which, if anyone wants to login then ...
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60 views

Inserting and updating on same table

I am currently working on a database that aims to provide information regarding the amount of time people stay in a company's car-park premises. This is done using a table called "tbl_stay" which has ...
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81 views

calling a function with parameters in insert

Is it possible in SQL ellegantly achieve the following: insert into my_table (the_geom) VALUES geomfromwkb('\x010100000058b4b610a73a27408144b7147f194840',4326)), ...
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876 views

INSERT / UPDATE to merge data, when empty data is an empty string

Consider a table of some family members: mysql> SELECT * FROM some_table; +--------+--------+--------+ | f_name | l_name | work | +--------+--------+--------+ | Meirav | Cohen | school | | ...
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280 views

Insert but ignore if duplicate AND set a value different if exist in another table

I'm trying my make an invitation system together with the Facebook PHP APK. What I basically want is when you have invited your friends, Facebook redirects back to your website with an array ...
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665 views

Large INSERT INTO SELECT [..] FROM gradually gets slower

I've written a program that does a large INSERT in batches of 100,000 and shows its progress. The source table contains 2.5GB of data: CREATE TABLE wikt.text ( old_id INT(10) UNSIGNED NOT NULL ...
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151 views

INSERT INTO selected columns creates new column from JOIN [closed]

I have an INSERT INTO ... SELECT.. query that uses a JOIN on two tables. The results of the query should take a subset of the information and insert it into an existing table. That part works, but the ...
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108 views

When and how would MyISAM concurrent insert = always be a problem?

I wish to set concurrent_insert to always on a MyISAM log table, so that inserts wouldn't have to wait for selects to perform when there are some holes in the table. We're talking about 10-20 inserts ...
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5k views

How to extract the last inserted row in SQL Server?

When an insert statement is executed one or more rows is inserted into the table, is there any way to extract the last inserted row in SQL Server?
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Insert values from a record variable into a table

I am developing a user-defined function that takes two arguments: create or replace function gesio( events_table_in regclass, events_table_out regclass) returns void as $$ ... $$ ...
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72 views

Insert a group of consistent item with foreign key but colliding with existing items

Is there a way to insert a group of items that are dependent but consistent between them with unique primary keys and foreign keys but that are colliding with items in database. For example, given a ...
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109 views

Party Relationship Model in Practice - Insertions

I'm moving this question for StackOverflow in hopes to get perspective from a more database-oriented community. Here is a basic representation of what I'm doing (in pseudo sql): Parties - ID, ...
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1answer
949 views

filling a table by triggering multiple tables on insert

I have a table m contains the following fields: id int(11) not null auto_increment, //PK name varchar(100) null, something_else varchar(100) default 'not important' I need to fill up table m by ...
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1answer
1k views

Declare variable mysql

I am new to mysql, I have been using SQL in the past. I am trying to insert rows into a table via creating a loop. But struggling with it. Any help? DECLARE @minid INT = (SELECT MIN(Product_ID) FROM ...
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Inserting two rows from single row

I have to import users from the usersToImport table into the userContact table. usersToImport contains telephone and e-mail information in a single row for each user, but userContact stores one kind ...
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171 views

Disk usage spikes: good, bad or indifferent?

I'm working on a project where we're receiving data from multiple sources, that needs to be saved into various tables in our database. Fast. I've played with various methods, and the fastest I've ...
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SQL Server 2008R2 Merge Replication Identity Range Exceptions for Data Imports

Bottom line question: How can I insert data into subscriber tables that are governed by identity range management, where the data has valid identity values that fall outside of the current range? ...
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576 views

Mysql slow writes

i have a strange problem with mysql. My selects goes fast. My insert/create/delete/drop/update go very slow. I have done some tests on 2 machines. My old machine and my new machine. Old is worst ...
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186 views

What am I doing wrong in mysql database?

I'm creating a trigger that deletes rows from a table when they are inserted. However, when the trigger executes I get the following message: MYSQL ERROR: Can't update table 'player_viplist' in ...
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1answer
235 views

Using the auto increment id from one query as the fk of the next insert

I'm not sure if I'm overcomplicating this or whether I can't see the wood for the trees. I have two tables, both have auto incrementing ID's. Table 1: ID - auto field - int other field - varchar ...
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How to get missing values in row order?

In a table, many rows have been deleted, how to get the id of missing rows for next INSERT? For example id col1 1 1 3 3 4 4 5 5 8 8 9 9 how can I get the ...
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193 views

Combine - Select Into, with Insert Into Select

I've read many explainations like this one here that say "Select Into ..." is to create new tables and "Insert Into ..." is to append to existing tables. I'm automating a coworker's sql scripts. ...
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MySQL InnoDB slow inserts

I'm currently struggling with an MySQL Community Server 5.5.27 when inserting large numbers of rows into a table. We're running a 24 core Intel Xeon machine with an SSD software raid array. I did some ...
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210 views

Possible to have nested inserts in Postgres 8.4?

I'm trying to import data into an inventory type database. Here's what I have for the tables (truncated for brevity): create type hostrole as enum ('Physical', 'Virtual', 'Hypervisor', 'Other'); ...
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172 views

DB2 Insert and Deadlocks

My application has 4 different threads doing inserts into the same DB2 table simultaneously. Could this cause a deadlock / lockwait situtation? Theoretically I don't see a problem here; as one ...
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997 views

DB2 Communication link failure issue

I would like to get your valuable suggestions for the below problem. My Perl application connects to a DB2 database and keeps inserting data into a table. The application successfully inserts data ...
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84 views

Any drawback to lots of creating and renaming tables at InnoDB?

I'm trying to optimize an important cronjob for my program, and what it basically does is generate a long list of user ids with their score points. I have a table called user_ranks and it will bulk ...
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286 views

Insert Speeds for large batches

In my application, my INSERTs seem to be taking a major chunk of the time. I have a large number of objects in memory (~40-50,000) which i want to insert into a table. Lets take a sample table ...
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28 views

Plan for storing transactions in an easily retrievable manner, indefinitely

I've got a large (many columns) MySQL database table (InnoDB) that has a fairly high number of INSERTs (~500/day). Think of the records as financial transactions. Clients need to be able to view these ...
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148 views

How to duplicate related rows

Tables: Payments with auto-increment ID and one-to-many relationship to Projects such that one payment (say £10) has two records in Projects allocating the £10 between the projects. Now next month, ...
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824 views

Bulk insert with format file: 0 rows affected

When using the BULK INSERT command in SQL Server 2008 it returns: (0 row(s) affected) I am using this command to carry out the bulk insert: BULK INSERT Test FROM 'C:\DataFiles\Tests.dat' ...
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How do I insert a row which contains a foreign key?

Using PostgreSQL v9.1. I have the following tables: CREATE TABLE foo ( id BIGSERIAL NOT NULL UNIQUE PRIMARY KEY, type VARCHAR(60) NOT NULL UNIQUE ); CREATE TABLE bar ( id BIGSERIAL ...
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2answers
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Which one is more efficient: select from linked server or insert into linked server?

Suppose I have to export data from one server to another (through linked servers). Which statement will be more efficient? Executing in source server: INSERT INTO ...
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1answer
303 views

Negative number of rows inserted

I just ran a rather simple INSERT statement (that I think processed a lot of rows), and I got the message: -1,311,750,183 rows inserted Should I be concerned about the fact that it's negative?
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1answer
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MySQL Insert into table, where name = id, if not exist, then insert name and use that ID

I am producing a MySQL database that will store results for a particular sport. I have a table containing people, (PERSONID, FIRSTNAME, LASTNAME), another table containing animals names (ANIMALID, ...
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149 views

When to split a large table

I run the SQL Anywhere DBMS, and we have a table of about 10 columns(normal text, timestamps etc). However, in my use-case, every single day, the table gets 2160000 new rows. It's also crucial that ...
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1answer
271 views

BULK INSERT Data from file but ignore the first occurence of field terminator

I have a file that has data arranged in the following style: 1 1 0.5102 0.4898 0.0000 0.0000 0.0000 1 2 0.3114 0.6886 0.0000 0.0000 0.0000 I need to load ...
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1answer
678 views

Large INSERTs performance optimization

I have 15 Amazon AWS EC2 t1.micro instances which simultaneously populate Amazon RDS MySQL d2.m2.xlarge database with data using large INSERTs (40000 rows in query). The queries are send ...
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282 views

Is there slowdown inserting into an InnoDB table that has no index set?

I have an old application with lots of InnoDB tables, that have no indexes at all, not even a primary ID or such. Those tables only contain a few thousand rows. Would it be faster to INSERT data ...
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154 views

How to handle update or insert situations

From time to time my stored procedures looks like create procedure handle_data @fk int ,@value varchar(10) as begin if exists (select * from my_table ...
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40 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, ...
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511 views

Insert from one row to another using cases

My original table was(being used since 2005): CREATE TABLE `request` ( `msg` VARCHAR(150) NOT NULL, `id` VARCHAR(20) NOT NULL, `ctg` VARCHAR(10) NOT NULL DEFAULT 'misc', `date` ...