Re: select rows where - DB2 Database

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by: psql-mail | last post by:

I am running a SELECT to get all tuples within a given date range. This query is much slwoer than i expected - am i missing something? I have a table 'meta' with a column 'in_date' of type...

PostgreSQL Database

select * from table AND navigation

by: TP | last post by:

Here is my problem. I need to display a table about which I have no information except the table name. Using metadata I can somehow show the column names and record values. But my table has 1...

DB2 Database

Select for update, locks and transaction levels

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Hi, I am trying to gather stats about how many times a resource in our web app is viewed, i.e. just a COUNT. There are potentially millions of resources within the system. I thought of two...

PostgreSQL Database

select for update & lock contention

by: Ed L. | last post by:

I think I'm seeing table-level lock contention in the following function when I have many different concurrent callers, each with mutually distinct values for $1. Is there a way to reimplement...

PostgreSQL Database

planer don't use index. bad plan for where id = x or id in (select...)

by: Pavel Stehule | last post by:

Hello, Pg make query 1. and 2. very fast (use index), but for query 3. dont use index. I can solve its using select union, but I readed so pg 7.5 don't problem with OR operator. I use cvs pg. I...

PostgreSQL Database

select ... where <column>='' does a seqscan [auf Viren geprueft]

by: Silvio Matthes | last post by:

Hello, I'm new to the list and did not find a suitable answer to my question so here it is: I try to select the rows of a table where the content of a varchar-column is empty ('') and...

PostgreSQL Database

SELECT .. WHERE column IS NULL?

by: John | last post by:

I just cannot manage to perform a SELECT query with NULL parameter... My CATEGORY table does have one row where TCATEGORYPARENTID is null (real DB null value). TCATEGORYID and TCATEGORYPARENTID...

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To access the data from database when select the value in dropdown menu

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Hi to all, i m newer to this site and fresher in Ajax world. Actually i get a problem while accessing data from Database. I have a combo box in my pages. Actually i want to access data from the...

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problem is displaying values in html select control

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Hi, I have two controls one html select control and one asp.net dropdownlist control. In html select control i have three maps loaded. It is loaded in the following manner. <SELECT...

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1054 - Unknown column 'p.products_id' in 'on clause' select p.products_image, pd.pro

by: tjc0ol | last post by:

Hi guys, I'm a newbie in php and I got error in my index.php which is: 1054 - Unknown column 'p.products_id' in 'on clause' select p.products_image, pd.products_name, p.products_id,...

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Cloud Servers without Credit Card and Email Registration: A Simpler Way to Get on the Cloud

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Introduction: For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...

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One-click Importing Excel Data into a*Database

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In our work, we often need to import Excel data into databases (such as MySQL, SQL Server, Oracle) for data analysis and processing. Usually, we use database tools like Navicat or the Excel import...

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Migrating Website to Cloud - Emmanuel Katto

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Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel

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How to build RAID in BIOS?

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