globally unique identifier

One: Introduction to Bluetooth Kits The Android platform provides a Android.bluetooth package that implements the Bluetooth API for communication between Bluetooth devices. There are a total of 8 classes, and the four commonly used classes are as

If the disk size exceeds 2TB, you can use the parted command to create the partition. We first mount a 4TB disk: Partition partitioning using the parted tool: Note that we use Mklabel GPT to modify the disk partition format to GPT format,

Java Data types Hibernate data type Standard SQL data type(PS: May vary for different db) BYTE, Java.lang.Byte Byte TINYINT Short, Java.lang.Short Short SMALLINT int, Java.lang.Integer

Server|web Summary: Get detailed discussions about how to set up SQL Server for Web service access in a heterogeneous environment, and learn more about the Web in SQL Server Information about the main scenarios of the service. Download the relevant

rss| Standard Optional channel elements The following is a list of optional channel (channel) elements. 01. languageName: LanguageDescription: The language used by the channel. For example, on a Web site, all Italian sites are allowed to be

Distributed data challenges Distributed databases that do not have a fixed connection to each other cannot provide any system-wide locking mechanism. In particular, there is no mechanism to prevent you from inserting two rows with the same primary

Hyper-V, energy-saving improvements are key performance Microsoft has completed the development of Windows Server 2008 R2. Microsoft has already put the gold code on the producers, which means users, partners, original equipment manufacturers, and

asp.net| Data | data type BigInt Supported by the. NET Compact Framework.Int64 A 64-bit signed integer.Binary Supported by the. NET Compact Framework.Array type is Byte The fixed-length stream of binary data, ranging from 1 to 8, 000

Data type Type Description Bit Integer The bit data type is an integer with a value of only 0, 1, or null, which is used to store data with only two possible values, such as Yes or no, True or FA LSE, on, or off

http://blog.csdn.net/sqlserverdiscovery/article/details/7712068 Column name Data Type Description Blocked smallint ID of the session is blocking the request. If This

SQL2008 expression: Is any combination of constants, variables, columns, or functions, and operators.1. String functionsFunction Name Parameter Example descriptionASCII (string expression)Select ASCII (' ABC ') returns 97Returns the ASCII code of

1. VariablesLearning computer language, inevitably do not encounter this noun, but we are talking about the MSSQL (Microsoft SQL Server products) in the database language implementation.A slightly more rigorous program of the language requires the

the field types in the database correspond to the data types in C #:Database C # programsint int32Text stringbigint Int64Binary system.byte[]Bit BooleanChar stringDateTime System.DateTimeDecimal System.DecimalFloat System.DoubleImage

GUID (Global unique identifier) Globally unique identifier, which is a 16-byte binary value generated by the identity number on the network card (each network card has a unique identification number) and the unique number of the CPU clock.The format

The UUID (universally unique Identifier) Globally unique identifier, which is a number generated on a machine that guarantees that all machines in the same time and space are unique. Based on the standard calculations developed by the Open Software

The field type in the database corresponds to the data type in C #: Database C # programint int32Text stringbigint Int64Binary system.byte[]Bit BooleanChar stringDateTime System.DateTimeDecimal System.DecimalFloat System.DoubleImage

  Database C # programs Int Int32 Text String bigint Int64 Binary System.byte[] Bit Boolean Char String

When creating a database, you need to specify a primary key for each table, which is a property or group of attributes that uniquely identifies a row in a table, and a table can have only one primary key, but there may be multiple candidate indexes.

SQL Server 2008 Functions Daquan (full version)SQL2008 expression: Is any combination of constants, variables, columns, or functions, and operators.1. String functionsFunction Name Parameter Example descriptionASCII (string expression)Select ASCII ('

SQL SERVER type C # type Exact numbers bigint Integer data (all numbers) from -2^63 (-9223372036854775808) to 2^63-1 (9223372036854775807). The storage size is 8 bytes.About 90 billion, with less Int64