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SQL SELECT speed int vs varchar
I'm in the process of creating a table and it made me wonder.
9 Answers
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How to use index in select statement?
Lets say in the employee table, I have created an index(idx_name) on the emp_name column of the table.
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Which data type for latitude and longitude?
... want to store latitude and longitude values in PostgreSQL 9.1.1 database table. I will calculate distance between two points, find nearer points by using this location values.
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Alter a MySQL column to be AUTO_INCREMENT
I’m trying to modify a table to make its primary key column AUTO_INCREMENT after the fact. I have tried the following SQL, but got a syntax error notification.
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How to create a css rule for all elements except one class?
...r my project. Is there any way I can create a css rule that applies to all table elements EXCEPT table elements belonging to the class "dojoxGrid"? Something like:
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How to get database structure in MySQL via query
Is it possible to somehow get structure of MySQL database, or just some table with simple query?
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Google Docs/Drive - number the headings
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If you want something more easy, there is a Google Add-On called "Table of Contents" that will allow you to number your headings.
To install this add-on:
Click on the Add-Ons > Get Add-Ons.
Click on the "Table of Contents" icon or search for this addon to install it
Then your ...
horizontal scrollbar on top and bottom of table
I've a very large table on my page. So I decided to put a horizontal scrollbar on the bottom of the table. But I would like this scrollbar to be also on top on the table.
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Is the primary key automatically indexed in MySQL?
...m/doc/refman/5.5/en/optimizing-primary-keys.html
The primary key for a table represents the column or set of columns
that you use in your most vital queries. It has an associated index,
for fast query performance
For MySQL 5.0 reference see: http://dev.mysql.com/doc/refman/5.0/en/mysql-ind...
Setting table column width
I've got a simple table that is used for an inbox as follows:
13 Answers
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