sqldatatypes

相关标签：javascript jquery android 多少钱 iPhone

Access to MySQL strange price field

I am developing 开发者_JAVA技巧a new version of an application that was using an ms-access database because it was becoming too slow.[详细]

2023-03-02 18:10 分类：问答
How are varchar values stored in a SQL Server database?

My fellow programmer has a strange requirement from his team leader; he insisted on creating varchar columns with a length of 16*2n.[详细]

2023-02-26 05:11 分类：问答
Entity Framework Code First Date field creation

I am using Entity Framework Code First method to create my database table. The following code creates a DATETIME column in the database, but I want to create a DATE column.[详细]

2023-02-24 22:31 分类：问答
What is the difference between longblob and longtext in mysql?

What is difference between longblob and longtext in mysql? What should I use to s开发者_如何转开发ave a long topic ?BLOBs are for Binary Large Objects. If you\'re storing binary data in your DB, then[详细]

2023-02-22 11:24 分类：问答
Column type for ZipCode in PostgreSQL database?

What is the correct column type for holding ZipCode values in PostgreSQL da开发者_如何学Pythontabase?I strongly disagree with the advice presented here.[详细]

2023-02-19 17:52 分类：问答
MySQL database tables with SMALLINT id fields

I currently have a few tables in my MySQL database where I declare the id field to be of type SMALLINT(6) (is this correct as SMALLINT only goes to 65535 [length of 5]). I have read here under integer[详细]

2023-02-16 17:36 分类：问答
What's the difference between MySQL BOOL and BOOLEAN column data types?

I\'m using MySQL version 5.1.49-1ubuntu8.1. It allows me to define columns of two different data types: BOOL and BOOLEAN. What are the differe开发者_如何学Gonces between the two types?They are both sy[详细]

2023-02-05 16:00 分类：问答
Why I dont get an error setting larger INT datatype length in MySQL?

I\'m a little bit开发者_如何学JAVA confused on datatypes length in MySql; I read the reference manual at http://dev.mysql.com/doc/refman/5.0/en/data-types.html and I know that when I write \"INT(M)\".[详细]

2023-01-30 03:32 分类：问答
SQL Server text, ntext, image data type problem

Microsoft announced that: \"ntext, text, and image data types will be removed in a future version of Microsoft SQL Server.\" And advises to use nvarchar(max), varchar(max), and varbinary(max) instead.[详细]

2023-01-28 08:37 分类：问答
How can I map TIMESTAMP WITH TIME ZONE to a Java data type using Hibernate 3.3.2GA?

How can I map Oracle column types TIMESTAMP WITH TIME ZONE or TIMESTAMP WITH LOCAL TIME ZO开发者_开发百科NE to a Java data type using Hibernate 3.3.2GA?Can I map each of these to a Date or Calendar da[详细]

2023-01-22 22:08 分类：问答