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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34 views

Apply operation on all schemas

I have an Oracle instance, with several schemas (all starting with the same prefix). PATT_A PATT_B PATT_C ... All of them have the same table, and I'd like to update all of them in one shot (with ...
2
votes
1answer
148 views

Update taking too long

I am updating a table with 250 million rows in SQL Server, and it's been running for 4.5 days. I'd like to use the computer it's running on for other memory-intensive work, so I'm torn about whether ...
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0answers
47 views

Auto increment form field

I am working with a database, with some forms. What I am trying to do is an auto increment field in my form. For example ID -- every time when I type some new record, this field ID should increment ...
3
votes
1answer
3k views

Oracle 10g: Optimizing an update query that uses a subquery

I have the following query within a stored procedure, and I've been trying to improve its performance to no avail. UPDATE TBL_REPORTING REP SET (REP.ISSUER_ID, REP.ISSUER_NAME ) = ( ...
2
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0answers
46 views

innodb update with limit locks all matching (ignores limit)

For a query similar to this: UPDATE myinnotable1 SET value=5,updated=now(),status=1 WHERE status>10 AND message="match msg" LIMIT 1; I found that innodb engine locks ALL rows matching criteria ...
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1answer
48 views

Post installation of SSIS for existing SQL Server instance with different build versions

I would like to install SSIS into existing SQL Server 2014 Fail-over cluster instance with latest cumulative update 7 which was applied. I know how to do it but I want to know if consistency of ...
0
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1answer
78 views

Tracking the update or changes in mysql table

I need to stream the changes to elasticsearch to keep in sync with my database(mysql). What will be best way to do this ? I have thought for below approaches Using trigger( but my table will have ...
1
vote
1answer
32 views

always error “cannot insert value NULL” sqlserver

I want to update table "tmpiscunitmap.tr_kpi_id" year_period=2016 with value from table "tmp_kpi.tr_kpi_id where year_period=2016" with condition tmpiscunitmap.tr_kpi_id = tmp_kpi.tr_kpi_id on ...
0
votes
1answer
24 views

Table1 ID is auto increment and i also want to store the information from table 2 against that auto generated ID

This table has an auto increment ID on back end. "INSERT INTO `test`.`personal_info` (`username`, `email`,`password`) VALUES ('$username','$email','$password')"; This was for signing up of one ...
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2answers
737 views

Updating large table (~6.5 million rows) & indexes

I'm trying to update a table with about 6.5 million rows in a reasonable amount of time, but I'm having some issues. We're adding a new column to an existing table and then setting a value for all ...
0
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0answers
21 views

Updating values with randomly generated values?

I've got an .sqlite3 database here. I want to replace all the values of a set distinct number of columns in the database with randomly generated values (the values should be unique). At the moment ...
0
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0answers
31 views

subquery in set clause retrieving different values

I want to update the column "kstplcode" using different values coming from column warehouse except the value "main" with their corresponding delivery numbers. I've tried this code but the set clause ...
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0answers
22 views

How to reorder again' auto increment column' after deleting some rows [duplicate]

I have a MySQL db table, and first column is for id which has auto_increment. I want the first column be reordered after deleting some rows. iIs there any way to do that? id name 1 alex 2 ...
0
votes
2answers
60 views

How to access row value from UPDATE sub query function?

I would need to use UPDATE like this: update offer set (bank, bank_id) = (cost, gid) from ( select cost, osm_points.gid from pgr_kdijkstraCost( 'SELECT gid as id, source, target, walk_cost as cost ...
1
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1answer
41 views

How to update table1 field by using other table and function

I have two tables and one function: Table1 contains shop_code,batch_id shop_code| batch_id | regstriy_id 123 | 100 | 12 124 | 100 |13 125 | 100 |12 Table2 contains shop_code,shop_name ...
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0answers
24 views

PostgreSQL updates hang when two servers involved

I have an update statement that works fine when only a single server is involved, but never completes when it comes from two servers. I'm connecting with JDBC 9.1-902 to a 9.3 database on CentOS 6.6. ...
0
votes
1answer
29 views

How to update array fields in a table in Postgresql?

Say I have a table defined as following: CREATE TABLE my_tbl ( id bigint, a1 bigint[], a2 bigint[] ); I would like to create a stored procedure to append values to a1 and a2. Is this ...
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1answer
53 views

How to get number of locks acquired by my MySQL Query?

How to get number of locks acquired by my MySQL update query? Is it possible using MySQL Command Prompt or MySQL Workbench? Example query : update employees set store_id = 0 where store_id = 1;
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1answer
59 views

How does the table scan in an UPDATE WHERE predicated on an unindexed column work?

I was looking into a deadlock caused by two concurrent UPDATE statements: UPDATE [table] SET [column] = 0 WHERE [unindexed_column] = @id My understanding is that because the column the WHERE is ...
1
vote
1answer
48 views

Is there something I can do to make this UPDATE run faster?

I have a relation EnumeratedSensorReading that includes a siteid and a quantityid column. I want to replace these two columns with a single sensorid column. I have added this column, and it is ...
2
votes
1answer
4k views

UPDATE a column by COUNT of another table

It might be a naive question, but what is the difference of these two queries and which is preferred? UPDATE table1, (SELECT id,COUNT(*) idcount FROM table2 GROUP BY id) AS B SET table1.Freq = ...
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2answers
453 views

SELECT and UPDATE in a single query while updating selective fields of duplicate records only

I have a MySQL table named Contacts_table with, say, the following contents: ID NUMBER NAME CITY 001 2222222222 John Doe Los Angeles 002 ...
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2answers
248 views

MySQL - best practices/ how to speed up "update, else insert' queries? Insert + delete faster?

I'm running an ETL process and streaming data into a MySQL table. Now it is being written over a web connection (fairly fast one) -- so that can be a bottleneck. Anyway, it's a basic insert/ update ...
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0answers
30 views

Update MySQL column from column in another table

I have a table, products2013, with column upload_id which I would to contain the value upload_new_name from correlating table uploads (also containing upload_id). I tried putting together the follow ...
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0answers
53 views

MySQL - Update vs. Replace Into — why is Update non-parallel, and Replace Into allows multi-threads?

In trying to optimize a query that does (Insert ... on duplicate key update) .... someone suggested I do "Replace Into" to optimize performance. I'm not 100% certain the difference other than ... ...
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1answer
52 views

Update Column in table on midnight daily

I am designing a simple 1 table database in mySQL that will have two columns. One column will be the name of a specific restaurant on the webpage I will be using this database with. The second column ...
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1answer
63 views

Insert/ Update Scalability (more records, continually longer lookups — solution?)

posted this before but never received a clear answer. I'm working on an ETL project and am basically feeding JSON records of "tickets" into a MySQL database. (actually come to think of it, may be ...
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0answers
34 views

I have a table from which I can retrieve information but I cannot update or delete information

I can update and delete items via PhpMyAdmin. I changed the owner to mysql. My program is a clone of insert, update, and delete that is functioning for other tables within the database. I receive a ...
0
votes
1answer
53 views

MySQL: Updating or closing existing rows in a table and/or inserting new rows?

I want to update a specific table but in the following manner. When a record is completely the same (so not only the primary key, but all fields) then I don't want any changes (or a new record ...
0
votes
1answer
107 views

SQL Server 2008 R2 service packs

Are the SQL Server service packs 'cumulative' or 'incremental'? The scenario is that we have a couple of instances running on SQL Server 2008 R2 RTM and we have been asked to patch it up to SP3 ...
0
votes
2answers
32 views

Problem With update column in table [closed]

there is my problem. I have to update column "date_to" , but only for those users who havent set their last "date_to" to value '3000-12-31' . Table looks like this : ID date_from ...
0
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0answers
50 views

How can I use PostgreSQL's partial sum tree index (if it even exists)? Do any databases allow for use of such an index?

GiST (Generalized Search Tree) indexing is an advanced system which brings together a wide array of different sorting and searching algorithms including B-tree, B+-tree, R-tree, partial sum trees, ...
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1answer
76 views

Rolling update to all rows in innodb table (no rollback if aborted)

I have the following table, which stores the Social Security Death Master File database (~86M rows): CREATE TABLE `death_master_files` ( `id` int(11) NOT NULL AUTO_INCREMENT, `ssn_an` smallint(5) ...
0
votes
1answer
16 views

Building test site, update dates (back date records)

I have 3 tables that all connect and I need to back date them in an MS SQL 2008 setting. I was thinking about how to do this and not sure if I am on the correct path. The big problem I have is I have ...
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votes
1answer
36 views

Increment the value of an entire column [closed]

I have a table and one of the columns, is of the data type int. I want to increase every tuple's value of that specific column by 100. I have not found a proper answer for this yet. Anybody?
1
vote
1answer
105 views

updating same column as in the select query

When I try to do this, I get an error saying I cannot use the same table in where select as the column that I am updating. UPDATE table_name SET quantity = 19 WHERE productID = 148357 ...
0
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1answer
452 views

phpmyadmin not working after mysql update

i followed this guide to update my mysql form 5.1 to 5.5. After lots and lots of command and headache, i was able to upgrade mysql. i checked the version via terminal. But now there is another ...
3
votes
3answers
9k views

Bulk update of all columns

I am wondering if PostgreSQL has an update query somewhat like their insert values syntax. I have an updated set of data in this form currently: INSERT INTO ...
1
vote
1answer
67 views

MySQL Update a table based on the last data from another table while grouping with conditions

I need a query to UPDATE a series of fields based on another table Table lp_plates_backup | uid | brand | model | | 1 | | | | a | Old | Error | ...
0
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0answers
10 views

reorganize and UPDATE [duplicate]

This is my table called tickets with ID primary key ID-TicketID-TYPE 101-3-0 a02-1-0 01a-2-0 I wanted to UPDATE it and be like this ID-TicketID-TYPE a02-1-0 01a-2-0 101-3-0 but when I used the ...
3
votes
0answers
95 views

Why is my SQL Server query behaving differently on UPDATE than on SELECT?

I've written a SQL Server query that updates records to have a sequential number after partitioning on a field. When I run it as a SELECT statement, everything looks great: DECLARE @RunDetailID INT = ...
1
vote
2answers
177 views

Sybase ASE find running process

I run UPDATE INDEX STATISTICS on some HUGE table. And it runs already about 1 hour. Is there some procedures/ways to find the percentage of executing this command? sp_who, sp_sysmon don't help. ...
0
votes
1answer
192 views

Mongodb update conditional set operator ($set only when it is insert )

Is there anything in Mongo update where $set when will work only when an insert is done. example is I have a collection which has these fields: Username FirstOccurrence Count What i want that i ...
0
votes
1answer
41 views

UPDATE statement not consistent when including NULL fields

So I want to append Field B to C, then copy field A to B and set field A to "Awaiting update". I have written the following code UPDATE Notes SET /* append previous month to notes */ Notes=Notes + ...
0
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0answers
14 views

Checkpointing in a deferred update database

Something that I just cannot get my head around. Checkpointing writes all dirty pages from ram memory to disk. For Deferred update systems, data changes recorded in the log file are applied to the ...
4
votes
1answer
4k views

How to remove known elements from a JSON[] array in PostgreSQL?

I'm facing an issue regarding using the JSON data type in PostgreSQL. I try to achieve storing a Java model denormalized in the DB. The model features lists of complex objects. Thus, I decided to ...
0
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0answers
36 views

PostgreSQL slow update -> does autovacuum have anything to do with it?

I am quite new to PostgreSQL as I only need it to create a map (using PostGIS). So I don't really know on hot how to optimise my DB... I have a table with a lot of polygons that I'd like to save in a ...
0
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0answers
47 views

Oracle SQL Updating Trigger Statement

Hey all so let me see if I can clearly explain what I would like this trigger to exactly do. First of all the trigger will deal with 2 tables: Delivery Table: DeliveryNum |ItemName | Quantity | ...
0
votes
1answer
102 views

How to limit the range of an insert-update to only look at certain rows/ rows with field value: X?

I posted something similar before, but am still unsure of the technical implementation --- I'm so close to being there to the finished product. I have a table of tickets, and a stream of ticket ...
5
votes
2answers
1k views

Adding a sequence number to existing rows

I have a table with an OrderSequence column. The schema looks roughly like this: id Name OrderSequence I have an array of ids ["1", "2", "3", "4"] from an application, and I want to set the ...