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

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Insert into different tables, but same data

If I have multiple insert into commands going and some of the column names are the same, do I still state them? For example: insert into MOVIE (MOVIE_ID, TITLE, RATE) values ('00001','Titanic', '...
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1answer
58 views

Inserting rows into a truncated table will increase the size?

Today I came across this question. Everyone knows truncating table won't reduce the actual size of DB, in my scenario I have 5 tables on a DB which almost occupied 50 GB, so if I truncate all the ...
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1answer
19 views

InnoDB, Writing TRIGGER to INSERT into tables

Table1 "user_address" Field "u_id" Field "street_name" Field "locality_name" Table2 "street_master" Field "s_id" Field "s_name" I am supposed to write a trigger which BEFORE INSERT ON user_address(...
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1answer
119 views

Why would a procedure sometimes hang executing SELECT…INTO #Temp2 FROM #Temp1 JOIN LocalTable…?

We have several stored procedures, called by jobs, that follow a specific pattern (designed to minimize blocking). Some of these procs tend to hang on occasion, running up the CPU, tempdb allocations, ...
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1answer
69 views

Xquery, insert, Trigger and no place to squeeze stored procedure

I have a Stored procedure, which is, basically, xquery pulling data from xml and inserting it into multiple tables. Once it's inserting into last of the mentioned tables, the trigger fires up and then ...
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1answer
84 views

Convert a lookup value to foreign key when a query is run

Currently we have a legacy system running queries on a Postgres server to update/insert records. One of the obstacles we are having is that we have to convert text values to the correct foreign key ...
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100 views

Postgres insert query max length or number of VALUES parameters

I'm trying to find a way to speedup population of my db. I'd like to use COPY as suggested here, but I have only access to my db, not to the entire server. All other tips worked good for me, but ...
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1answer
115 views

SQL 2012 insert data into a table from another table and custom columns

I'm trying to insert data from one table into another table and I also have 4 columns that are not in the source table but need to be populated in the target table. Here is the Insert statement SET ...
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50 views

DB2 : Dynamic Result Sets, Duplication in Sending output to File

What I am trying to do here is to Generate insert scripts for selected tables in my database in DB2 10.5 LUW. I have modified a procedure available here as below. CREATE PROCEDURE Create_Inserts ( ...
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1answer
79 views

Unpredicatable single insert performance on SQL Server table

I have inherited a system that sometimes exhibits extremely poor single record insert performance. The table is something like 8 million rows, so is relatively large but not exceptionally so. The ...
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2answers
318 views

Speeding up insert in SQL Server

I have a stored procedure which inserts some records in a few tables. In couple of tables at least , the inserted records number 10000+. Not more than 15K though. Takes 3-5 mins for this procedure to ...
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334 views

Progress of SELECT INTO statement

Our ETL flow has a long-running SELECT INTO-statement, that's creating a table on the fly, and populating it with several hundred million records. The statement looks something like SELECT ... INTO ...
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29 views

Every “INSERT” query check a combination of column's records

Unfortunately, my mind has stacked right now and i would like to design a really simple DB schema. What i want? In a simple table, for instance Table1, there are two different columns, Series and ...
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29 views

Split data from a column into multiple rows and split data from other column into new column in MySQL

I want split data's separated by comma(,) from a column into multiple rows and also with this I want split data's from other column into multiple new columns. Finally result will insert into new ...
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1answer
97 views

Measure Performance for INSERT, UPDATE and DELETE commands on DB2

I have a DB2 database with a table for daily transactions, which is cleared to a history table at the end of the day, every day. I insert rows to this table via java-JDBC INSERT commands and they ...
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1answer
128 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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57 views

What is the optimized way to fill table values based on it's previous columns values and from other table column values?

CREATE TABLE TEST2 ( RowID INT IDENTITY(1,1), Ratio INT ) CREATE TABLE TEST ( RowID INT IDENTITY(1,1), Col1 INT, Col2 INT, Col3 INT ) Now, I want to insert values in table ...
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3answers
100 views

SELECT + INSERT or INSERT alone

I have an application where several devices send data every second to my server. On the database I have a table with the devices and another table with the data sent every second. The first time a ...
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1answer
144 views

MySQL Using a trigger to update quantity on another table if part is used

I am new to triggers but want to know how I can use one in my database. I have created a table for a maintenance log, a parts inventory, and a parts_used junction table. When maintenance is carried ...
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3k views

How to set identity_insert to on in SQL Server

I get the command set identity_insert table_name on;, but for some reason it is not actually changing the attribute. I've done it with the account that I created the table with, and I've also created ...
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2answers
100 views

Change IDENTITY_INSERT to ON in SQL server [duplicate]

How can I insert an ID into an identity column in SQL Server? I'll make a special item into my table and I will quickly detect that item by the ID. So because all other ID's are bigger or equal to one,...
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1answer
215 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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2answers
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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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69 views

Are there practical scenarios where inserts + deletes are faster than updates? (SQL Server)

I'm just wondering if there are common scenarios where an insert/ delete combination is faster than an update else insert function. Here is my specific example. I have to update a database with ...
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47 views

Remotely inserting 3.5m records mysql

I need to remotely insert 3.5 million rows to my amazon rds. Currently my data is in an access database, for which I will use bullzip, access to mysql to create dump files. I have created my schema on ...
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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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93 views

Fill Database With Recursive Factorial Function

I want to calculate table's all of the rows's factorials value. And then i want to insert to each row's factorial value in table. so that i create table like as below: TABLE:FACTORIALS ---------------...
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41 views

I'm sure there's a better way than this INSERT

I have 2 tables: logs and relations. Logs' field have something like this: id (serial), mid, rid, value, insert_date Sample logs: 1001, 21, 1, "-94.420307", "2015-12-10 18:00:01" 1002, 21, 2, "44....
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1k views

Does Postgres preserve insertion order of records?

For example when I'm using query which returns record ids INSERT INTO projects(name) VALUES (name1), (name2), (name3) returning id; Which produce output: 1 2 3 Will this ids point to ...
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How can I configure MySQL Innodb to handle 1000s of inserts per hour?

I have a very high traffic website where it is possible that 1000s of new records are inserted every hour. This one error is crippling the site: PDOException: SQLSTATE[40001]: Serialization failure: ...
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5answers
27k views

Insert into select into multiple related tables using INSERT_IDENTITY

Okay setting the scene. I have three tables, (Table1, Table2 and DataTable) and I want to insert into Table1 and Table2 using DataTable as source. So for every row in DataTable I want a row in Table1 ...
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48 views

Insert query optimization

Need your help optimising an insert query. I have two tables in my MySQL DB. I will be inserting into Table1. Information will be retreived in Table2. Table 2 contains a couple of million records. ...
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1k views

how to insert a list of varchar values, into a single column table?

In SQL Server 2005: CREATE TABLE __RADHE ( itemNo varchar(10) not null primary key clustered ); GO INSERT INTO __RADHE ??? '34926840', '34927020', '34927202', '34927384', '34927566', '34927830',...
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1answer
144 views

Generate fake data for several tables with relationships

I have 3 tables where I want to generate fake data in UsersCategoryLink. How can I insert in the table UserCategoryLink the column UserID with random users from the table User and a random id from ...
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1answer
153k views

How to insert values into a table from a select query in PostgreSQL?

I have a table items (item_id serial, name varchar(10), item_group int) and a table items_ver (id serial, item_id int, name varchar(10), item_group int). Now I want to insert a row into items_ver ...
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227 views

Vertica INSERT speed highly depends on server load

I faced a problem with very slow INSERTs in Vertica DB. I made such test: create empty table with no projections and start inserting in it in batch, using > INSERT INTO table SELECT 111,222,333 ...
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387 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
200 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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PostgreSQL - Error: duplicate key value violates unique constraint [duplicate]

I try to insert a record into following table: CREATE TABLE web_structure( id serial NOT NULL, label character varying(255), name character varying(255) NOT NULL, frompage integer, topage ...
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187 views

MySQL trigger if new value is not equal to varchar

StackExchange, I'm trying to create a trigger in MySQL (before insert) that gives an error if the new value of "sifra" is not S, P, K, A or Z, but it I'm getting an error even if the said criteria is ...
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4k views

Insert into … (…) (Select…) on duplicate key update

Can you help me to solve a problem. The task is to insert a record in MySQL database. terms: If the record exists - to update the record. If the record does not exist - to create a new one. ...
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1answer
391 views

How to insert/update millions of rows inside a sql server table(s) in an effective way?

Often in my job I have to create a procedure inside SQL Server that will process millions of data rows, save them into a temp table (staging table) and finally save them into a table (s) in a database(...
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35 views

Any risks to pure inserts + delete duplicates, instead of insert/ update for SQL Server?

I saw a related question but it was more of the how vs. the why. I'm wondering in SQL Server why one would attempt an "insert/ update" with incoming data ... instead of just running pure inserts ... ...
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3answers
2k views

Lock mysql table to prevent select and insert at the same time

I know this question has been asked earlier and I have also read the documentation. But I guess I'm stupid not understand. I have a code that inserts a row and the row should be unique in several ...
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1answer
188 views

INSERT don't work with NOT NULL but UPDATE does, why?

I have this table definition: CREATE TABLE `media` ( `id` int(11) NOT NULL AUTO_INCREMENT, `brands_id` int(11) DEFAULT NULL, `media_type` varchar(45) COLLATE utf8_unicode_ci DEFAULT NULL, `...
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Best way to generate backups with 'INSERT ON DUPLICATE KEY UPDATE'

I have been using HeidiSQL to generate MySQL backups using 'REPLACE INTO' however have recently come across the problem this causes with foreign keys & have been told using to use 'INSERT ON ...
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376 views

MERGE command in SQL Server 2005

I have been trying to develop a MERGE in SQL Server 2005. It does not have all features yet, because I have been struggling in "how to put the merge logic WORKING AS A SET, rather than rows". ...
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How to measure I/O contention after adding calculated fields on indexed views to a table in SQL Server?

I have successfully added several calculated fields to different tables, for example: ALTER TABLE dbo.tblBGiftVoucherItem ADD isUsGift AS CAST( ( ISNULL( CASE WHEN ...
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189 views

Poor cardinality estimate disqualifies INSERT from minimal logging?

Why is the second INSERT statement ~5x slower than the first? From the amount of log data generated, I think that the second is not qualifying for minimal logging. However, the documentation in the ...
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61 views

Proper way to insert data into multiple tables

I am wondering about the proper way of inserting related data into a database. As an example please refer to the following EER diagram: I have data for this model stored in multiple CSV files. The ...