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
390 views

INSERT multiple values via join

I have three tables, representing two entities and a connection relationship. Each of the entity relations has an artificial surrogate key used for foreign key constraints in place of natural keys. ...
6
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1answer
331 views

Null Values in a CASE statement

I am playing around with some stuff in SSMS to learn a little more as I study for my 70-461 exam and I came across a little hangup. I am trying to create a table to play around with so I don't have to ...
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142 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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1answer
107 views

How to insert the gathered dates into another table using INSERT SELECT in MySQL?

insert into rfdate (date) select adddate('1970-01-01',t4*10000 + t3*1000 + t2*100 + t1*10 + t0) selected_date from (select 0 t0 union select 1 union select 2 union select 3 union select 4 union select ...
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25 views

table not taking records sequencially [duplicate]

While inserting rows into a table in oracle 10g, the rows are not inserted in the order I am putting them, like for the following inserts: insert into emp values (1000, 'debjani', 30); insert into ...
0
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2answers
329 views

join value in a RETURNING which is not inserted

Im doing an insert from a query which joins two tables, then I want the new ID from the inserted row, and a field from the original row which is not involved in the insert.Is it possible? I get a ...
2
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3answers
3k views

Is inserting multiple queries takes same time as that of single query?

I have a requirement where I have to insert a lots of rows.For inserting we use like this insert into emp(name,age) values('abc',12); This will insert only one row.For inserting multiple rows we ...
0
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1answer
80 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
531 views

Insert All Columns from one table into another table MYSQL

I am trying to insert multiple columns with their data from one table into another table, without a common column (i would expect a cross product in the result). I am not sure how that's possible, ...
3
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230 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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2answers
3k views

Return the id after insert or select

I want to build a function which will insert an email if the email value doesn't exist in the table and return the email_id of the row. How can I do this? Also how can I return the id if the email was ...
2
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1answer
130 views

I can't create relationship in my database sql server

I have designed a database for my website. It has 3 tables: user, topic and comment. A user has many topics (or articles) A topic (or article) has many comments A user has many comments I ...
0
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1answer
30 views

mysqldmup with data only

Is there a way to backup data using mysqldump --no-create-info ... where the inserts in the backup file will look like this: insert into t1(col1, col2)values(val1,val2); instead of insert into t1 ...
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0answers
37 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 ...
8
votes
1answer
347 views

unable to insert row at id, but row does not exist

Here is the weird problem i am facing. I am trying to enter data using following query insert into product_product (id, product_tmpl_id, make_equip, model_equip, name_template, serial_num_equip, ...
0
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2answers
82 views

DBO execute returns true but doesn't execute

I am having a bit of trouble with some of my code. This is the code: $STMT3 = $PDO->prepare(' INSERT INTO `lotteries_entries` (steamID, lottery_id) VALUES (:STEAMID, :ID); UPDATE ...
1
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1answer
417 views

Postgresql csv to db translate foreign keys

I'm trying to import data from a csv to a postgresql database. the db table looks like this: CREATE TABLE texts( text_id serial PRIMARY KEY, topic_id integer REFERENCES topics, format_id integer ...
0
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1answer
95 views

Update and Insert Statement taking forever

I have a database with two columns that is called using the following query: SELECT TimesUsed, Word FROM Predictions WHERE (Word LIKE @partialWord) ORDER BY TimesUsed DESC In my application it is ...
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1answer
80 views

what is the syntax for insert trigger?

I am very new to sql. feel a little stupid to ask this question Say I have this table Warehouse(shipperid, name , state). Then I define another table warehouse_maine (shipperid, name, state) which ...
1
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1answer
146 views

Cannot Run SQL INSERT in MySQL

Neither [vagrant@localhost ~]$ sudo mysql -e "USE books; INSERT INTO authors (id,name,email) VALUES(1,"test","test@gmail.com");" ERROR 1064 (42000) at line 1: You have an error in your SQL syntax; ...
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0answers
91 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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0answers
37 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 ...
4
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1answer
10k views

Sql server table insert performance optimization

Setting In a datawarehouse, I am joining a fact table to 20 dimensions. The fact table has 32 million rows and 30 columns. This is a temporary staging table so I don't have to deal with other users ...
2
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1answer
2k views

Using EXCEPTION to ignore duplicates during bulk inserts

In pq 9.3.5, I'm importing records from an external source where duplicates are VERY rare, but they do happen. Given a readings table with a unique compound key on (real_time_device_id, recorded_at), ...
4
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1answer
1k views

InnoDB inserts 100 times slower than SQL Server inserts

I have a simple table with two columns: id (autonumber) and name (char(255). When I use C# to insert 100 records in a loop it takes about 30 milliseconds per insert. This is way too slow. So I ...
3
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1answer
277 views

Adding new key(s) to enable partitioning, INSERT performance?

I have a table to storage GPS coordinates with multiple (~30) inserts per second (from 50 different devices) during 12 hours per day, so the table is growing fast, to improve the SELECT speed I was ...
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187 views

Duplicate Key Entry [closed]

I've got a problem on SQL Server 2008 where I'm getting a duplicate key entry error on a process that's worked fine in the past. What is really weird is that if I drop the clustered index, insert the ...
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0answers
236 views

MySQL 5.6.19a InnoDB Concurrent Insert [closed]

I've looked through most of the threads on this topic but still had question I was hoping someone would be gracious enough to help with. I am seeing low CPU usage and write latency but transaction ...
0
votes
1answer
74 views

(MySQL) Need an “in-place” REPLACE for adjusting historical data

I have a table with around 6,000,000 records. It is backed up every few hours. Recently a script ran that cascade updated about 2,000,000 of the older records to bad values. I have extracted those ...
3
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0answers
659 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
84 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. ...
6
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3answers
560 views

SQL Server clustered index, index balancing and insert performance using NewID

I have a large (6db) trace table. It has a clustered key (DateTime) which is created through GETDATE(). The connection pool for connections to this database/table rises as high as 50 on average ...
2
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75 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 ...
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1answer
57 views

Oracle Concurrent Insertion

We have simple case like Create table t1 (c1 number primary); session1: insert into t1 values (1); //session1 do not commit transaction session2: insert into t1 values (2); Will Session2 ...
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1answer
59 views

Writing a view that caches to another table

I have a table market_trades with columns timestamp, market_id, and amount: api_production=# \d market_trades; Table "public.market_trades" Column | ...
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2answers
5k views

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 ...
1
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1answer
598 views

Oracle - WHY do an ORDER BY for INSERTs AS SELECT?

I have an application that was migrated from MSSQL to Oracle 11G. It needs re-design but that's outside the scope of the project. In short, the application gets legacy data, builds a parent table ...
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135 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 ...
0
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1answer
227 views

Use serial ID for multiple columns and return it from INSERT

I am using Npgsql and I want to be able to do an insert, and if statement that will do an update and then return a value so when ExecuteScalar is called it reads that value. This was done fine in ...
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214 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 ...
0
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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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957 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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2answers
4k views

How do I maintain high INSERT-performance on PostgreSQL

I'm working on a project which is parsing data from measurement files into a Posgres 9.3.5 database. At the core is a table (partitioned by month) which contains a row for each measurement point: ...
0
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1answer
207 views

Is normalization advisable on transactional data?

I have read a lot of articles about normalized vs denormalized schemas, but I find very little mention of the cost of row insertion. I am considering the impact of converting a 100% denormalized ...
0
votes
1answer
407 views

What's the difference between INSERT … SELECT and SELECT INTO

Let's say I have a table item and an other one versionned_item. From time to time, I want to copy data from item to versionned_item. What I did is WITH subset AS (SELECT ...) INSERT INTO ...
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0answers
36 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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806 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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2answers
2k views

MySQL ON DUPLICATE KEY UPDATE performance issue

We have a table with over 200k rows. Every row belongs to a category, there are almost 50k rows per category. What is the best way to update all rows of that category? We are using a script like ...
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1answer
909 views

How to get the rowid in a TRIGGER for another table in SQLite

Given the below schema CREATE TABLE Item ( _id INTEGER NOT NULL, name NVARCHAR NOT NULL, parent INTEGER NULL CONSTRAINT fk_Recursive ...
0
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1answer
80 views

Does having a big table that I do not query cause the whole DB to be slower?

I have a log table that I use for logging files sent to clients. I'm not querying that table, just use it for logging (INSERT) and when I need to check when something was sent to clients, usually once ...