What are data types in SQL?
Data types in SQL Server are organized into the following categories:
- Exact numerics. Unicode character strings.
- Approximate numerics. Binary strings.
- Date and time. Other data types.
- Character strings.
- bigint. numeric.
- bit. smallint.
- decimal. smallmoney.
- int. tinyint.
What type of data is long?
Long (long integer) variables are stored as signed 32-bit (4-byte) numbers ranging in value from -2,147,483,648 to 2,147,483,647. The type-declaration character for Long is the ampersand (&).
What is the equivalent of long datatype in SQL Server?
2 Answers. The mapping table is clear – BIGINT is the equivalent of Int64 (which is long in C#). The equivalent type is bigint which is a 64-bit numeric type. It fits numbers in the range from -2^63 to 2^63-1 which is the same as the C# long type.
What is the length of long data type?
Windows 64-bit applications
|long double||8 bytes|
What are the 5 data types?
Most modern computer languages recognize five basic categories of data types: Integral, Floating Point, Character, Character String, and composite types, with various specific subtypes defined within each broad category.
Is string is a data type?
A string is generally considered a data type and is often implemented as an array data structure of bytes (or words) that stores a sequence of elements, typically characters, using some character encoding.
What is float data type?
In computer science, a float is a data type composed of a number that is not an integer, because it includes a fraction represented in decimal format. … Some point out that the float data type is used in computer programming when more precision is needed than what integers can provide.
Where do we use long data types?
Use the Long data type to contain integer numbers that are too large to fit in the Integer data type. The default value of Long is 0.
What data type is price in SQL?
The best type for price column should be DECIMAL. The type DECIMAL stores the value precisely. For Example – DECIMAL(10,2) can be used to store price value. It means the total digit will be 10 and two digits will be after decimal point.
What is data type for date in SQL?
Date and Time data types
|date||YYYY-MM-DD||0001-01-01 through 9999-12-31|
|smalldatetime||YYYY-MM-DD hh:mm:ss||1900-01-01 through 2079-06-06|
|datetime||YYYY-MM-DD hh:mm:ss[.nnn]||1753-01-01 through 9999-12-31|
|datetime2||YYYY-MM-DD hh:mm:ss[.nnnnnnn]||0001-01-01 00:00:00.0000000 through 9999-12-31 23:59:59.9999999|
What is Sql_variant data type?
sql_variant enables these database objects to support values of other data types. A column of type sql_variant may contain rows of different data types. For example, a column defined as sql_variant can store int, binary, and char values. sql_variant can have a maximum length of 8016 bytes.