teradata data types

1:redis's official website address is: http://www.redis.comOnline Redis command Run test address: http://try.redis.io/There are 5 types of data for 2:redis: String, Hash, Set, List, SortedSetString type1) string is binary secure(1): Set indicates setting key and valueeg:> set name LusyOk>get NameLusyNote: The same name corresponds to the same value in Redis(2) Setnx: Set key corresponding to the value of st

1. Give a new name to an already existing type, thus creating a new type: typedef oldtype Newtpye;2, Emum Color{red,orange,yellow,green,blue}; where Color is called an enumeration type, {} is called an enumeration constantBy default, the associative integers of enumerated constants start with 0, this example is 0~4, or can be set toEmum color{red = 1,orange,yellow,green,blue}; The associated numbers of the new examples are the ";Emum color{red = 2,orange = 4,yellow = 6,green = 8,blue = 10}; (PS:

Most of this article is from the simple MySQL primer. Integer type Number of bytes Range of negative values Range of non-negative values Float 4 -3.402823466e+38~-1.175494351e-38 0 and 1.175494351e-38~3.402823466e+38 Double 8 -1.7976931348623157e+308~-2.2250738585072014e-308 0 and 2.2250738585072014e-308~1.7976931348623157e+308 Decimal (m,d) or Dec (m,d) M+2 Same double type Same d

3.3 Numeric data typesFrom the moment we open our eyes every morning, we deal with numbers almost every hour: from 6:30 on the alarm clock to the 216 bus to work, from the news that the house price fell to 100 yuan per square meter to go home to buy vegetables when the tomato 3.5 yuan a catty. We live in a world full of numbers. The program is the description and expression of the real world, and there will be many numbers to express. To do this, C +

Label:In MySQL database system, char and varchar are very common, and they are two very similar, are used to save relatively short string, such as saving the article title, message, email, user name and so on. The main difference between the two is the storage method:The Char column length is the length that is declared when the table is created and is fixed, and the length is limited to between 0 and 255. Generally in the database design, the user to save passwords, names, IP information, becau

Original: SQL Server 2008 Spatial Data Application series five: Using spatial data types in data tablestips, the prerequisites for reading this blog post are as follows:1. This sample is based on Microsoft SQL Server R2 Commissioning.2. Experience in Transact-SQL programming and use of Management Studio.3. Be familiar

This article lists the MySQL data type list, which consists of five main categories: integer type, floating-point type, String type, date type, and other data types, which are explained in detail in the following five data types. There are also the lengths and ranges of MySQ

server| Data | Data type 1.SQL Server data types Data class is a property of data that represents the type of information that the data represents. Any computer language defines its ow

Detailed data types for SQL Server?? A data type is an attribute that specifies the type of data that an object can hold, and supports multiple data types in SQL Server, including character ty