SQL - Data Types Flashcards
(36 cards)
identification
is an attribute that specifies the type of data of any object.
Data Type
identification
SQL Server offers six categories of data types for your use which are
- Exact Numeric Data Types
- Approximate Numeric Data Types
- Date and Time Data Types
- Character Strings Data Types
- Unicode Character Strings Data Types
- Binary Data Types
also Misc Data Types
identification
- bigint
- int
- smallint
- tinyint
- bit
- decimal
- numeric
- money
- smallmoneyExact
Exact Numeric Data Types
identification
Exact Numeric Data Types
- bigint
- int
- smallint
- tinyint
- bit
- decimal
- numeric
- money
- smallmoneyExact Numeric Data Types
identification
- float
- real
Approximate Numeric Data Types
identification
- datetime
- smalldatetime
- date
- time
Date and Time Data Types
identification
- char
- varchar
- varchar(max)
- text
Character Strings Data Types
identification
- nchar
- nvarchar
- nvarchar(max)
- ntext
Unicode Character Strings Data Types
identification
- binary
- varbinary
- varbinary(max)
- image
Binary Data Types
identification
- sql_variant
- timestamp
- uniqueidentifier
- xml
- cursor
- table
Misc Data Types
identification
Approximate Numeric Data Types
- float
- real
identification
Date and Time Data Types
- datetime
- smalldatetime
- date
- time
identification
Character Strings Data Types
- char
- varchar
- varchar(max)
- text
identification
Unicode Character Strings Data Types
- nchar
- nvarchar
- nvarchar(max)
- ntext
identification
Binary Data Types
- binary
- varbinary
- varbinary(max)
- image
identification
Misc Data Types
- sql_variant
- timestamp
- uniqueidentifier
- xml
- cursor
- table
Data Types
Stores a result set for later processing
table
Data Types
Reference to a cursor object
cursor
Data Types
Stores XML data. You can store xml instances in a column or a variable (SQL Server 2005 only).
xml
Data Types
Stores a globally unique identifier (GUID)
uniqueidentifier
Data Types
Stores a database-wide unique number that gets updated every time a row gets updated
timestamp
Data Types
Stores values of various SQL Server-supported data types, except text, ntext, and timestamp.
sql_variant
Data Types
Maximum length of 2,147,483,647 bytes. ( Variable length Binary Data)
image
Data Types
Maximum length of 231 bytes (SQL Server 2005 only). (Variable length Binary data)
varbinary(max)