I am creati开发者_JAVA百科ng a database table in MySQL Workbench. The table I want to create is to be able to save data which is a number with a decimal point. The data I want to save is a money value
Right now I\'m working on a project using CFM andMSSQL. I have a numbering data in a field. I\'ve set the DATATYPE 开发者_运维百科as float.
Can I select a field/column fr开发者_如何学Goom data type? Postgres 7.4 (yep we are upgrading) SELECT *
I need to store time inverval in PosgreSQL. Data will be put from Ruby on Rails. Say, PizzaHut accepts orders from 9:00 to 18:00.
Which datatype shall I use to store mobile numbers of 10 digits (Ex.:9932234242). Shall I 开发者_开发问答go for varchar(10) or for the big one- the \"bigint\".
I\'m wondering what the performance impact of the following might be if any.Let\'s say there is a table with one of the columns data typed as int.This table contains millions and millions of rows.Then
How can I fix this problem? where someNtext IN (\'asd\',asd1\') gives an error: Msg 402, L开发者_如何学JAVAevel 16, State 1, Line XXXXX
This question already has answers here: Closed 11 years ago. Possible Duplicate: Which MySQL Datatype to use for storing boolean values?
I have an INTEGER column that can be nul开发者_如何学Goled, and mapped it to an int property. How can I change this value to null via NHibernate? int can\'t be nulled.use a nullable type int? insead o
What is the maximum range of varchar in MySQL? I am using the latest version of MySQL and in many sites it is being told that the size is 255. But when i am trying to give a higher size like 500 or 1
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