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

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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 ...
2
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1answer
138 views

What are possible causes for consistently volatile INSERT performance in MySQL tables?

I have a Java program running on a VM that is sequentially feeding a queue of single row INSERTs through a single connection to a MySQL server on the same VM. The queue execution is not artificially ...
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1answer
29 views

Using Identity Insert on a linked server

We have a database hosted in Microsoft Azure and using this database connection details I have created a linked server object in SSMS on our on-premise SQL box and I can insert into it as following ...
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1answer
52 views

Inserting into related tables

I have a database setup with the following schema: CREATE TABLE siteInfo ( siteID SERIAL NOT NULL, siteName TEXT NOT NULL, siteHost TEXT ...
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1answer
65 views

Mutating Error , How to solve it

CREATE OR REPLACE TRIGGER LOAN_RP AFTER INSERT OR UPDATE ON FUND_DISBURSE REFERENCING NEW AS NEW OLD AS OLD FOR EACH ROW DECLARE V_FA FUND_DISBURSE.FUND_AMT%TYPE; V_RC NUMBER (10); ...
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1answer
33 views

Insert date values in a created table

I have created a table using the below query CREATE TABLE job_history ( EMPLOYEE_ID decimal(6,0) NOT NULL, START_DATE date NOT NULL, END_DATE date NOT NULL, JOB_ID varchar(10) NOT NULL, ...
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1answer
34 views

how to overcome these type of issues where null value inserted into primary key not null column in table

how to overcome these type of issues where null value inserted into primary key not null column in table
0
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1answer
146 views

MYSQL: How to improve performance of inserting over 1M rows to a table with over 100M indexed rows

I have this mysql table: CREATE TABLE `codes` ( `code` bigint(11) unsigned NOT NULL, `allocation` int(11) NOT NULL DEFAULT '0', `used` tinyint(1) NOT NULL DEFAULT '0', PRIMARY KEY (`code`), ...
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1answer
139 views

Fastest way to insert data into mysql from csv

I have a dataset of 233,902,846 rows in a csv file. I want to load the data into mysql table. What is the most efficient way of transferring the data so that data insertion is the fastest. actually ...
0
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1answer
73 views

I need to insert data from one table to another after casting the values

i have #temp table containing all details to insert into table(named:Customer) The column names of two tables are exactly equal,but datatypes are different.So i need to cast it before insert into ...
0
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1answer
76 views

Trigger on a Schema

Is it possible to create a Trigger on a Schema? I have to audit the changes on my tables. But I have a lot of tables and I don't one to create a trigger on them one by one. --Database level trigger. ...
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0answers
44 views

Table queries locked during long insert SQL server

Everyday runs a sql job that loads data from bulk files and load them in auxiliary tables, to adapt and then copy to the destination table where applications read (and only read) the data. I am ...
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0answers
69 views

Combined UUID Index + AI PK Insert Performance

I posted this in stackoverflow but realised it probably belongs here instead. Imagine the following table: CREATE TABLE `orders` ( `ORDERID` int(11) unsigned NOT NULL AUTO_INCREMENT, ...
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0answers
219 views

How to insert values into Bridge Table in star schema?

I am modelling my database with respect to star schema with bridge tables. My master Table looks like below. I need to convert this format to star schema. MasterTable StudentNumber | Subject1 | ...
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0answers
65 views

work/cache table issues, heavy inserts with heavy reads

we have a work table that stores availability of products. This table is updated with millions of inserts every night and medium amounts of inserts throughout the day. during the updates, we delete ...
2
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0answers
1k 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 ...
2
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0answers
633 views

MySQL: Improve performance for one row insert into table with unique constraint

I have a table with ~ 40 mil records, with a unique index on the url collumn, of type varchar(255). Now the insert speed is about 30/s, is this expected? how could I improve it? I can't use bulk ...
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33 views

Did I Properly Diagnose That It's Not A SQL Server Issue?

We have a job that populates about 450,000 rows nightly in an update/insert job via a stored proc nightly. The .Net app pulls in data from a noSQL DB via an API call then pushes it out via a stored ...
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0answers
48 views

Parallel insert in db2

I am trying to import from 8 files and insert into a single table in db2. I am running 8 .sql files that will do the task, but only one of them actually seem to be running and inserting into table. ...
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0answers
28 views

How to append records from one complete table into a partly populated differently formatted table?

I have two tables of interest linked in a MS Access 2007 database. The master table called EMPL_MASTER (from which I only have read access, I cannot make changes) updates every time a system ...
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169 views

MULTIPLE INSERT VALUES with INSERT into another table

here a scenario to have a more clear picture. The DB is MySQL. I've 2 tables events and *event_users* : EVENTS id int type int date date time time ... EVENT_USERS event_id ...
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107 views

RETURNING syntax with multiple columns

Again, another question related to the answer of the one there: Insert with OUTPUT correlated to sub query table So I ended up with this query, written for SQL Server: CREATE TABLE tempIDs ( ...
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552 views

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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98 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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240 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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171 views

Multi-Table Join to Single Destination

I am having a serious performance issue with join together four tables and placing the results (in a certain permutation) into one destination table. I am using MSSQL 2008 and good ole T-SQL. To ...
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33 views

Tuning a Postgres INSERT only database

I am designing a database which will have many inserts and selects, but no updates. Are there any considerations to take (in order to have high query performance) while knowing no tuple updates will ...
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14 views

write data on multiple storageNodes in oracle NoSQL

I'm using oracle NoSQL on ubuntu (newbie to both) and created 3 storageNodes (with 3 RN on each) in one computer on different ports (5000,6000 and 7000) in a store named mystore. Now I need to write 1 ...
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38 views

Better way to create an Events table?

I working on a medium sized PostgreSQL database with some schemas, each with some tables. In almost every schema there are tables that represent event tables, where something that has "happened to" ...
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147 views

How to insert into MySQL table SUM of two cells from different tables using insert function

I want to make sum of two cells from different tables in MySQL using INSERT function. The code that I used is: $panoue="INSERT INTO usi2(latime_paneli, inaltime_paneli, latime_panele, ...
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29 views

Percona and MariaDB-10.0 ignoring not null on table fields

On the percona-5.6 and MariaDB-10.0 servers, the NOT NULL declared on table field are being ignored. I am able to leave fields declared as NOT NULL empty when inserting data and the servers are not ...
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31 views

MySQL: is there a way to make a self-referencing join recursive?

I need to insert some records derived from relationships in the same "pivot" table. We have a products_to_products table which stores relationships between products. Here's a simplified example (also ...
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55 views

INSERT missing FK rows at the same time

I found on this site the following SQL-Query to perform an insert (see this post): WITH sel AS ( SELECT val.description, val.type, f.id AS foo_id FROM ( VALUES ('testing', ...
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107 views

How to insert a row which contains a foreign key in mysql

Here's the original question regarding PostgreSQL. I'd like to know of a similar solution for MySql. The simplest syntax provided in the answer works fine as long as the relevant rows already exist ...
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47 views

DIRECT and SORTED in H2 and How to insert data with SORTED technique in H2

I was working on H2 Database and read Insert Statement Grammar and found that there are 2 types of insertion DIRECT and SORTED @ http://www.h2database.com/html/grammar.html#insert. As I know that ...
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120 views

Inserting into a table and getting the column names from a collection in PL/SQL

I want to copy data from one table to another and would like to have a rather dynamic insert statement. I have the column names I want to insert into in a collection col_names and was wondering if ...
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101 views

MySQL hook and alter incoming INSERT queries?

We have an application running on a server which parses an xml data feed into SQL queries and executes them continually 24/7. There is a serious issue in the design of the queries and we need to ...
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1k views

Understanding two types of mongodb log entries for bulk inserts

I have an app which does regular (every 2 minutes) bulk inserts to two identical instances of 2.6.4 mongodb on two servers. Both the instances are hosted on 2 Core, 14GB machine and have only one ...
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606 views

Mongodb extremely slow with bulk inserts and showing erratic behavior

I have been massively frustrated by the erratic behaviour of Mongodb's bulk inserts. I'm trying to write 20K documents in a bulk-insert query. Sometimes the inserts take as low as 5 seconds and ...
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270 views

Proper usage of last_insert_id() in PHP procedure

I have a problem with performing sql query from php script. The query in sql looks like this: INSERT INTO `table1` VALUES (NULL, 'Blah', 'blah', 'blah', 'blah'); SET @lastID = LAST_INSERT_ID(); ...
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39 views

long mysql insert and update script user variables appear to be lost while running script

I have a mysql database table called 'dash_something' dash_something ------------- date, DATE *this is the date of the summary type, CHAR(10) entity, CHAR(25) number_of_emails_1, INT ...
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265 views

Insert results of concat

I have a table with 4 columns: ID ORDER_ID QTY VALUE 1 153 1 0 2 476 1 0 3 453 9 1 4 719 2 2 ...
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41 views

After issuing an Insert using NewId() can you get the Ids that were used in that Insert

I would like to know if it is possible to get the last inserted ID's from an Insert with Select NewId()?
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21 views

Disable procedures for data load in MySql using Innodb engine

I have a database with an integrated ledger for a multi-unit company. As we bring new units into the database we load their existing ledger data into ours. Unfortunately the existing procedures on the ...
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21 views

How can I check the size of my SELECT query? PostgreSQL

I know how can I check the size of my database, called test: SELECT pg_database.datname,pg_size_pretty(pg_database_size(pg_database.datname)) AS size FROM pg_database where datname='test'; Now, I ...
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60 views

Innodb Deadlock During Insert

What could be the reason behind 2 inserts causing a deadlock? Here is what I get from log file: *** (1) TRANSACTION: TRANSACTION 6CA06B9, ACTIVE 6 sec inserting mysql tables in use 1, locked 1 LOCK ...
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2k views

Multiple SELECT subqueries in an INSERT statement in a stored procedure

So I had the following (genericized), which works just fine for me (barring errors in making the example generic) : DELIMITER // CREATE PROCEDURE stored_proc(IN val1 INT, IN date1 DATETIME, IN date2 ...
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102 views

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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83 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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0answers
113 views

row locking or avoiding duplicate insertion on primarykey/otherfield combo

i have a table that stores additional data pertaining to files/images saved in files elsewhere, each entry can be associated with another type in the system, for users there may be one or more ...