ec2 server types

, non-Unicode string n = 1 ~ 8000 Char varying (N) Text Variable-length non-Unicode data in the server code page. The maximum length is 23-1 Characters Nchar Unicode string of fixed length n = 1 ~ 4000 National Character (N ), National char (N) Nvarchar Unicode string of fixed length n = 1 ~ 4000 National Character varying (N) Ntext Unicode data with a variable length. The maximum length is-1 characters. National text Binary (N) Binary data of fixed l

: integer data from-2 ^ 31 (-2,147,483,648) to 2 ^ 31-1 (2,147,483,647.Smallint: integer data from-2 ^ 15 (-32,768) to 2 ^ 15-1 (32,767.Tinyint: integer data from 0 to 255.Bit: an integer of 1 or 0.(4) decimal and numericThe two data types are equivalent. There are two parameters: p (precision) and s (number of decimal places ). P specifies the maximum number of decimal digits that can be stored on the left and right of the decimal point. p must be a

data from 0 to 255. Bit:1 or 0 of integer data. (4) Decimal and numeric The two types of data are equivalent. have two parameters: P (Precision) and S (scale). p Specifies the maximum number of decimal digits that can be stored to the left and right of the decimal point, and P must be a value from 1 to 38. s specifies the maximum number of decimal digits that can be stored to the right of the decimal point, and S must be a value between 0 and P, a

4 889 user4# Gets the foreign key but does not sort; Lets sort skip the sort operation by passing a non-existent key as a parameter to the by option(Sort uid by user_nick_* get # get user_level_* get user_name_*)# use hash tables as parameters for by and get(Hmset user_info_1 name U1 age 9)(Hmset user_info_2 name U2 age 7)(Hmset user_info_3 name U3 age Level 8)(Hmset user_info_4 name U4 age level 6)(Sort uid by User_info_*->level) # 4 2 3 1(Sort uid by User_info_*->level get User_info_*->name)

, from -3.40E+38 to 3.40E+38 17rowversion database-wide unique number 18smalldatetime date and time data, from January 1, 1900 to June 6, 2079 19smallint integer data from -2^15 to 2^15-1 20smallmoney monetary data value, between -214,748.3648 and +214,748.3647 21sql_variant can store data types for values of a variety of SQL Server-supported data types. 22 witho

Tags: ima timestamp mon XML Hiera blog AC Div class SQL Server data Types Oracle data Types bigint Number (19,0) Binary (1-2000) RAW (1-2000) Binary (2001-8000) Blob Bit Number (1) char (1-2000) CHAR (1-2000) char (2001-

A few days ago wrote a detection site server type gadget, with this gadget is mainly to obtain some server information, and no malicious.The gadget is based on the command line run mode, the program runs only need a Web site URL as parameters. First you can click on the small icon on the right to download this gadget.By double-clicking Open this program, you can see the URL that prompts the user to enter

The access and SQL server data types are different. These types are useful when you use scripts to define data. Microsoft Access Data Type SQL Server Data Type Yes/No Bit Smallint (byte type) Tinyint Integer (long Integer) Int Real (single precision floating poi

Several types of data commonly used in SQL Server: Binary Fixed-length binary data with a maximum length of 8,000 bytes. varbinary Variable-length binary data with a maximum length of 8,000 bytes. Image Variable-length binary data with a maximum length of 2g+-1 (2,147,483,647) bytes Text The maximum length of variable-length non-Unicode data in the server

Tags: The difference contains synchronous occurrences of blog writes. com eager wwwSource: IO-related wait types in SQL Server: Io_completion and pageiolatch_*A large SQL statement operation, the execution plan contains a merge join operation, observed that SQL long time in the io_completion wait state, if it is to read the related table data, the server should d

Comparison of paging stored procedures and performance of five types of SQL Server, SQL stored procedures In SQL Server database operations, we often use stored procedures to implement paging processing of the queried data to facilitate browsing by viewers. This article summarizes the five paging stored procedures for SQL Ser