UPDATE changes the values of the specified columns in all rows that satisfy the condition. Only the columns to be modified need be mentioned in the SET clause; columns not explicitly modified retain their previous values.

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662 views

Update does not working while select returns right results

I am trying to execute the query below: UPDATE( SELECT Ord.Completed FROM Product P INNER JOIN Order1 Ord ON Ord.OrderID = P.OrderID WHERE EXISTS( SELECT * FROM Delivery ...
3
votes
2answers
207 views

Updating large table worked before, now taking hours

BACKGROUND: I am using a non-production SQL Server to manipulate a large data set and run a few basic calculations. The original data file I have, which is about 30M rows, is missing records (not NULL;...
1
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2answers
265 views

T-SQL — Why do ALTER and UPDATE statement only run when separated into their own batch?

I have update and alter statements that are only running when they are put into they're own batch. Below is my shortened version. It'd probably be a good idea to skip the code and read my question ...
0
votes
1answer
19 views

Are my MongoDB servers right in setting?

I have a small web site, so I used two servers. A: master 4G Ram, 96G SSD B: slave 2G RAM, 96G SSD The B server is always for backup, no read, no write. In my application, many users can (and will) ...
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votes
2answers
2k views

Update code works in manual stored procedure but not when run as SQL Server Agent Job

I have a stored procedure that deletes all records from an existing table, and then inserts new records. After the insert I have several update operations that change the value of one field. If I run ...
9
votes
3answers
763 views

Update all rows

I want to know the most efficient manner to update every row in an extremely large Oracle table for a single column. For example: update mytable set mycolumn=null; or: update mytable set mycolumn=...
1
vote
1answer
234 views

How do I report progress of a long running transaction in MySQL?

I have this transaction in a stored procedure: ... START TRANSACTION; WHILE @Codes > 0 DO EXECUTE qry_rand_stmt; EXECUTE qry_insert_stmt; SET @Codes = @Codes - ROW_COUNT(); END ...
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votes
1answer
434 views

Find difference between two database and output them in a script sql [closed]

I had a SQL Server 2008 R2 database. I have dump it and made some mods in a copy. So, I have two databases: 1) the older version 2) the new version I need a script SQL to update the number 1) to ...
0
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1answer
123 views

Compare two columns for difference mark the difference in mysql

I need to compare two fields and mark the similar fields in third table. For Example: Tables customer: phone id, phonenumber followstatus received_Customer: rc_id, rc_phonenumber. I ...
1
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0answers
58 views

How to use the value from record like as varchar?

I'm trying update a old table with result of selec for another tables but get a error using this sintaxe (e.g.): DO $$ DECLARE _roles refcursor; _onerole varchar; _record RECORD; ...
0
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2answers
85 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
55 views

Index that mimics full-text-index

I have a database that is retrieving information quite slowly, I asked a question and was told to use full-text-indexing, this worked, but now we switched over to a .sdf file and Sql Server Compact ...
0
votes
1answer
94 views

Why Does the Update Statement also updates indexes?

I am currently learning about SQL queries and how indexes work with them, and I ran into a situation that I don't understand. Let's say I have this query for that updates a tables' values with another ...
1
vote
1answer
893 views

How to update a huge MySQL table from a text file

I have a huge MySQL table with 1.3 TB data with InnoDB engine format. Now I have a text file containing updated values of 2.2 GB of records in the 1.3 TB of data. How do I proceed ? I am a newbie ...
0
votes
1answer
57 views

Update Trigger in MYSQL

Here is my requirement :- I have a table called "users" and field called "Admin". Field "id" is primary key. Wants to update "Admin" field to "1" if id=1000; Tried this ,but not working.I tried "New"...
0
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1answer
98 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 ...
0
votes
1answer
723 views

Slow Postgres updates if OTHER columns are indexed?

Certain updates take far too long on large Postgres tables. Given these conditions: only one column is being updated, and it is non-indexed the column already has data in it for every row due to a ...
4
votes
2answers
423 views

Adding hstore entries to an uninitialized (NULL) column

I got bitten by this "feature" recently. If your hstore column is uninitialized and you start adding entries to it, they are all silently swallowed without error. Is this expected? create table ...
0
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2answers
56 views

Update all data in a table without affecting ID(PK)

I'm using SQL Server 2005. I have a table with 4846 customer records. The PK is called ID and spans from record 40003 to 79870. This numbers are used a other tables to hold info about user orders, ...
5
votes
3answers
8k views

Update statement is giving an invalid column name error, even though the column exists

I have a temporary table created at the beginning of this stored procedure. It is created successfully and can be selected from and inserted to. Here is the create statement CREATE TABLE #...
0
votes
1answer
203 views

Update an array element with inc mongo update

HI All I have this Data in mongo, {"articleId" : [ { "articleId" : "9514666", "articleCount" : 1 } ], "count" : NumberLong(1), ...
0
votes
2answers
169 views

using update query with subquery in Oracle sql

I have an update query where I am trying to update a field but for more than one record, I am trying a join but it doesn't work. Below I get multiple values that come back from the select statement ...
7
votes
3answers
19k views

Cascade primary key update to all referencing foreign keys

Is it possible to update a primary key column value with cascading the update among all the foreign keys referencing it ? # EDIT 1: When I run followinq query select * from sys.foreign_keys where ...
2
votes
3answers
3k views

How to handle big data update based on excel spreadsheet

Scenario Select-based data is exported from DB to Excel spreadsheets. Some manual work is done on the excel files (filling missing data). Changed data from excel files is updated back to DB. ...
0
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2answers
687 views

$addToset do not work in update if record not exists [closed]

I am trying to use following query db.TestColl.update({ "tags" : "silk" , "host" : "host.com"},{ "$set" : { "cat" : "MOVIE" , "$addToSet" : { "articleId" : { "$each" : [ "20442242"]}} , "publishTime"...
0
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2answers
625 views

update column based on sum of data from another table

I have two tables : Table1 (col1, col2, col3, col4, val1, status) Table2 (col1, col2, col3, col4, val2) For Table1 and Table2, The columns (col1, col2, col3, col4) are the composite primary key. ...
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1answer
1k views

PostgreSQL, UPDATE CASE statement uses huge amount of space

I am running a CASE statement on one of my tables and it consumes a huge amount of hard drive space that is never freed up even when i run VACUUM ANALYZE. Autovacuum is ON as well. I am using ...
2
votes
1answer
598 views

Mysql update adding subquery field value to field

I want to update a field adding it the value of a subquery field. I'm trying this: UPDATE table a SET a.field=(a.field+b.subfield) INNER JOIN (SELECT subid, subfield FROM subtable WHERE ..... ) AS ...
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1answer
466 views

SQL - Update table for a unique ID with multiple entries if one entry has variable in question

I'm trying to update a table to fill in a variable to each row in the table if one row for the unique ID shows that variable. I was trying to do the following, but it's giving me an error. ...
2
votes
1answer
357 views

Does a database update force index rebuild regardless of updated field?

With MySQL (InnoDB), I understand that having indexes slow down UPDATE queries. I would like to know if this happens regardless of what fields are updated. For example, if I have a table with 20 ...
0
votes
2answers
5k views

Update a column with values from the same newly inserted row in a trigger

Using SQL Server 2014, I have this: Table1 Tab1_id int identity(1,1) primary key Tab1_val1 smallint Tab1_val2 smallint Tab1_valInfo varchar(10) -- not yet implemented, will be used ...
6
votes
2answers
558 views

Is this update, select combination query thread safe?

I have a table called seats, which has a schema like this id,taken For each user, I take a random untaken id and assign to that user, here for simplicity say, I make taken =1. The query I am ...
0
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2answers
75 views

Can I update only the needed changes in a database?

First of all, I apologize if you can't understand very well what I am saying and it can be edit for better understanding of my post. The next example is for better understanding of databases with ...
1
vote
1answer
5k views

Store the resulting list of a SELECT in a variable to count AND use the result

I have stored procedure that uses a cursor and for every fetch a duplicate SELECT, once to determine the number of IDs found (SELECT COUNT(ID) FROM TableA WHERE something.. @cur_var) and if the COUNT(...
1
vote
1answer
83 views

Updating MySQL innodb table based on multiple joins

I have a table with the following (slightly simplified) structure CREATE TABLE `oak_relation` ( `o_id` int(10) unsigned NOT NULL, `k_id` bigint(20) unsigned NOT NULL, `initial` float unsigned NOT ...
2
votes
0answers
134 views

How to optimize update using join in postgresql

I'm using PostgreSQL 9.3.5 on a CentOS system. I have a very large table (twenty million rows, 50+ column) that aggregates data from a few hundred systems. Several times a day each of the systems ...
1
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1answer
74 views

MySQL: Is there a way to update a field so that all foreign key related fields are updated as well?

I'm assuming the answer to this question is yes but it is hard to Google this type of question and not get overly ambiguous results. I am working with a database that was dumped from a Magento ...
0
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0answers
43 views

Update on table deletes the record

I'm having a problem in my oracle database, I have a table PAYMENTS which has an ID (PK) and when I want to update a record: UPDATE PAYMENTS SET AMOUNT = 2000 WHERE ID = '1'; The record with ID = ...
1
vote
1answer
80 views

Set bit in Table A if values are present in Table B

I have two tables, Containing up to ~10 million entries. TableA which has 3 columns: IDA (bigint), IDB (int) and CHK (bit). (IDA, IDB) is the primary key. TableB which has 2 columns: IDA (bigint), ...
0
votes
2answers
142 views

How To Ignore SQL Update Notification

I have a very weird situation. One of our SQL Servers has a software update notification pending for Microsoft SQL Server 2008 R2 Service Pack 1 (KB2528583). However, this server is already at SP2. ...
0
votes
1answer
66 views

Postgres blocking UPDATE on new column?

For the life of me, I can't figure out why Postgres won't let me issue this update statement below. Assume any table called dim_dates where there's a column dateType: ALTER TABLE dim_dates DROP ...
2
votes
1answer
1k views

MySQL update one table from another joined many-to-many

I have two tables, events and plays joined many-to-many by a third table plays_in_events. Where the events.Name field is blank, I want to set it equal to the name of the play that was performed in ...
0
votes
1answer
79 views

postgresql updating integer column taking more space than expected

I have two tables, A(a1 serial, a2 varchar(8)) and B(b2 varchar(8)); My query looks like, alter table B add column b1 integer; update B t1 set b1 = t2.a1 from (select b1, b2 from B) t2 where t1.a2 = ...
6
votes
1answer
410 views

.WRITE clause performance optimization

I have found that you can do high performance updates on varchar(max),nvarchar(max),varbinary(max) columns using the .WRITE clause(example here and here). Unfortunately, there is nothing mentioned ...
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votes
1answer
40 views

Is there a way to copy/initialize values in a set

What I want to do (I know this does not work) is: update stats set BandwidthLastMonth = BandwidthThisMonth, BandwidthThisMonth=0 where myPk = 3 Is there a way to do this in a select statement?...
1
vote
1answer
4k views

Is it possible to modify an existing trigger definition in MySQL?

I am wondering if it is possible to update a trigger definition in MySQL. For example, I have a trigger T and I want to add some new functionality to it. My assumption is that I need to drop and ...
0
votes
2answers
71 views

Updating a table with a single UPDATE statement vs several UPDATE statements

CREATE TABLE `messages` ( `mes_id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT COMMENT 'номер объявления', `date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT 'дата/время дачи/изменения ...
0
votes
1answer
56 views

Check for blocked queries periodically and cancel them

I have series of update queries which are executed every 5-10 seconds. Sometimes it happens that one of these will block all the pending update queries as for some reason it just freezes. Since I can ...
0
votes
0answers
154 views

What is the best way to execute a MySQL script periodically on Linux

I want to execute some SQL everyday in a Linux server using MySQL to UPDATE some column's values. In order to do that I use the UPDATE ... SET ... WHERE ... statement. I want to know which is the ...
3
votes
0answers
197 views

Unable to Update on SQL Server 2008 R2

This is a bit strange so bear with me please. After installing a new SQL Server 2008 R2 on a new server (Windows 2012 Standard) just like the production one, I tried to connect my web aplication (...