Tables used to store transient data.

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124 views

How big is a tmp table?

I've got an RDF table in MySQL 5.1 with the MyISAM engine. Here's the table definition: CREATE TABLE `node` ( `id` bigint(20) NOT NULL AUTO_INCREMENT, `graph` varchar(100) CHARACTER SET latin1 ...
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68 views

Can't Delete Orphaned MySQL Temp Table

One of my servers had a hick-up yesterday and decided to leave temporary table while (while running alter table add indexes). ls -l sql -rw-rw---- 1 mysql mysql 8570 Mar 13 12:05 #sql-ib32694.frm ...
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65 views

reuse of temp table getting more time to execute

i'm creating temp table as, SELECT T.CD, T.OBJECT_CD, T.PRICE INTO #TEMP FROM TABLE_NAME T EDIT : ADDED CLUSTERED INDEX TO TEMP TABLE CREATE CLUSTERED INDEX IX_Temp_OBJECT_CD ...
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720 views

Inserting query result to another table hangs on “Copying to temp table on disk” on MySQL

I started the process of inserting returned results to another table. The query groups the rows in respect of indexed IDs. This causes 149,000,000 rows to be decreased to 460,000 rows. The query ...
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113 views

Using #temp to work around Reporting Services blocking issue

Having utterly failed to resolve why a perfectly acceptable but admitidly large stored procedure was suffering the blocking process lck_m_s when called via a report in SQL Reporting Services I have ...
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162 views

Inside stored procedure, set column names of returned query according to variable

I have a query which I'd like to reuse, instead of having many different copies of it just for the sake of changing the column name. The report (for example) uses the same query, but there are either ...
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68 views

MySQL query hanging on copying to tmp table

I'm stuck with a query hanging on 'copying to tmp table' for about 25 seconds according to the profiling. The query is used for forecasting the number of results after filtering by job_type / ...
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115 views

Why is this query creating 300+ temporary tables in Mysql?

SHOW global STATUS LIKE '%tmp%'; set @UID = 132; set @param2 = 'cde'; set @param3 = 20130331; set @param4 = 'C'; select p.id, p.column44, p.column42, ue.column35, u.id, p.column43, p.column45, ...
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140 views

TMD auto create

I used mysql as part of a project and found it to be a very practical tool. I have a question about mysql in regards to how it creates temporary table types TMD in /var/lib/mysql/. This partition ...
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64 views

Map records to a time interval

I have two tables: SamplesTbl contains samples every 5 seconds of a bike ride RxTbl contains the prescribed stages and other values of a bike ride SamplesTbl SamplesID int SessionNum int StageNum ...
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31 views

Sql Server 2014 AppRole not able to create temptable in tempdb

we have created Application Roles in sql server 2014 and grant the "Execute" permission on the tables and stored procedures. when i execute sp_setAppRole and then the stroredprocedure. the simple ...
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42 views

MySQL Query Causing Massive Slowdown Over Time

I've been experiencing massive slowdown on my server after launching a new website. Using MONyog I can see that after an apache/mysql restart, the queries/second starts out nice and low for around 10 ...
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47 views

Physical Table being used a Temp Table in a warehosue. Any advantage?

As I stated in previous posts I've inherited a warehouse based on SQL Server framework. In my continuous review of existing components and the practices adopted by the predecessors I found something ...
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55 views

MYSQL : Copying to TMP table nightmare

I'm having a (AFAIK) random issue. My server is MySQL and I have a query that is sometimes 10000 times slower as you can see on this screensot : http://snag.gy/vJJ39.jpg The long time occurs during 2 ...
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1k views

SQLite UPDATE two tables from VIEW or TEMPORARY TABLE

Here is the query that doesn't compile just to show how it should look like. But since I can't do Multiple table UPDATE's. This fake query should be able to run the inner UPDATE's for both tables if ...