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

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2
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1answer
88 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 ...
0
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0answers
40 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, ...
5
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2answers
756 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 ...
7
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2answers
11k views

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: ...
7
votes
5answers
24k 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 ...
0
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1answer
47 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. ...
1
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1answer
913 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', ...
1
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2answers
498 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 ...
4
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1answer
118 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 ...
58
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1answer
142k 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 ...
0
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1answer
167 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 ...
1
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0answers
366 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 ...
3
votes
1answer
196 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 ...
0
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0answers
14 views

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 ...
0
votes
1answer
132 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 ...
2
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2answers
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. ...
3
votes
1answer
260 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 ...
0
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0answers
31 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 ... ...
0
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3answers
1k 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 ...
1
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1answer
163 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, ...
0
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0answers
24 views

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 ...
2
votes
2answers
264 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". ...
1
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1answer
74 views

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 ...
8
votes
3answers
178 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 ...
0
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0answers
49 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 ...
0
votes
1answer
134 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 ...
0
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0answers
562 views

Insert string content into a blob in DB2 database using a simple SQL query

I am having trouble inserting in a BLOB field some text content (in fact it's an XML, I know there are field-types more suited than BLOB for this type of content, but I simply can't change it). I ...
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0answers
36 views

How to improve the slow performance with Insert operations in SQL Server 2005?

Suddenly our server started to have a bad performance, after trace the error, I identified that the inserts are the problem, this seems a know bug: https://support.microsoft.com/en-us/kb/940545 (The ...
0
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2answers
137 views

INSERT in a remote server is far too slow, how to speed it up?

I need to load 480.000 rows into a remote database. The database can't be accessed locally, it's an Azure WebApp, so i can't load the SQL statements on the server. I was wondering if there is a way to ...
4
votes
2answers
391 views

What causes large INSERT to slow down and disk usage to explode?

I have a table of about 3.1 million rows with the following definition and indexes: CREATE TABLE digiroad_liikenne_elementti ( ogc_fid serial NOT NULL, wkb_geometry geometry(Geometry,4258), ...
1
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1answer
277 views

mySql while loop ending after a insert

I have a stored procedure that is looping through a result set from a select statement. Inside of the loop there is a if statement that has two insert statements. When one of those insert statements ...
1
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0answers
238 views

MULTIPLE INSERT VALUES with INSERT into another table [duplicate]

I have 2 tables, events and event_users: Events id int type int date date time time Event_users event_id int user_id int user_role int ... Events can have ...
5
votes
1answer
7k views

Getting the “ORA-00911” error when I am trying to insert more than 1 row

Lets say I have the follow insert statements. INSERT INTO E_PRODUCT VALUES ('PCD2', 'PC Dual Core', 499, 22, 475, 'PC', NULL); INSERT INTO E_PRODUCT VALUES ('PCL4', 'Laptop PC', 599, 9, 225, 'PC', ...
0
votes
1answer
195 views

Count distinct values of a column and insert them to another table

So, I have a database for logs and statistics. But, the amount of data sent is too high, so I was thinking of grouping the data into another table. So the structure of the original Database is: ID ...
0
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1answer
44 views

INSERT from SELECT using a CURSOR

I have a table that looks like this: +====================================================+ | aid | uid | eid | name | dob | paid | ...
2
votes
1answer
619 views

Why do these concurrent MySQL inserts deadlock?

I am baffled by this deadlock: ------------------------ LATEST DETECTED DEADLOCK ------------------------ 150511 18:42:43 *** (1) TRANSACTION: TRANSACTION B8972CA4, ACTIVE 0 sec inserting mysql ...
0
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2answers
177 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 ...
5
votes
3answers
3k 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 ...
0
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1answer
41 views

Insert but Don't Commit MySql

I am pretty new to MySql and Databases, and I was wondering in python sometimes I forgot to commit after an insert, and then when I do then next insert and commit that one the, auto-incrementing id ...
2
votes
1answer
52 views

Create one row for every user in a Postgres table

I have a bunch of rows of users in a users table, for example: | id | name | |----|-------| | 1 | Chris | | 2 | Max | | 3 | Steve | For each one of these users, I'd like to create a row in ...
-1
votes
1answer
153 views

How can I generate a script to choose only top 10 items from each table in SQL database?

I know how to generate scripts that would contain insert queries of all records in all tables. But how can I limit this to top 10 records only from each table?I can select "Data Only" when generating ...
0
votes
1answer
26 views

How to make a mysql statement for sent log

I have a table called "make_sent_log" CREATE TABLE IF NOT EXISTS `make_sent_log` ( `id` int(11) NOT NULL AUTO_INCREMENT, `transaction_id` varchar(255) NOT NULL, `total_base` int(11) NOT ...
3
votes
2answers
4k views

INSERT… ON DUPLICATE KEY UPDATE not working as I expect

I have a table called "Example" CREATE TABLE IF NOT EXISTS `example` ( `id` int(11) NOT NULL AUTO_INCREMENT, `a` int(11) NOT NULL, `b` int(11) NOT NULL, `c` int(11) NOT NULL, PRIMARY KEY ...
1
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0answers
89 views

Unable to insert explicit value in table due to IDENTITY_INSERT is ON Error

I am trying to insert explicit values in one of my Real time Audit Production database. There are more than 80 columns, I have just taken here 5 columns. I am writing syntax is as below: use ...
1
vote
1answer
49 views

Nightly Excel Spreadheet import into mssql database

I am currently working with a nightly import that I need to create, but am not sure what the best route would be to update/insert into the current table. This is all done in MS SQL Server 2012 and ...
1
vote
1answer
26 views

How can I insert procedure results from server 1 into table in server 2?

The goal is to link our website to the database. The database the website will connect to will be different then our production db. In fact, a separate instance of SQL. How can this be structure to ...
0
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1answer
165 views

Mysql 5.5 to Mysql 5.6 upgrade Insert query is breaking

Assume column with the following definition product_id INT NULL NO_DEFAULT product_id_nn INT NOT NULL NO_DEFAULT and query insert into table (product_id,product_id_nn) values ...
6
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2answers
341 views

Insert only deadlocks

We have an application inserting data into a table. Unfortunately, we are getting deadlocks and the deadlocks are coming from inserts only. We are seeing the inserts take key locks in a different ...
3
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3answers
433 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, ...
1
vote
1answer
155 views

MySQL: is it more efficient to query for duplicate row or insert(update) on duplicate?

Just curious on resource efficiency. If I have a list of inserts that need to be accomplished repeatedly which may contain duplicates (there is no way around this, the API I have to work with sucks), ...