MySQL Datatypes
Ty p eS i z eD e s c r i p t i o n
TINYINT[Length]1 byteRange of -128 to 127 or 0 to 255 unsigned.
SMALLINT[Length]2 bytesRange of -32,768 to 32,767 or 0 to 65535 unsigned.
MEDIUMINT[Length]3 bytesRange of -8,388,608 to 8,388,607 or 0 to 16,777,215 unsigned.

Similarly, you may ask, what is a Tinyint in MySQL?

About the INT, TINYINT These are different data types, INT is 4-byte number, TINYINT is 1-byte number. The syntax of TINYINT data type is TINYINT(M), where M indicates the maximum display width (used only if your MySQL client supports it).

Also Know, what is the range of Tinyint data type in SQL Server? Integer data types If not unsigned, the MySQL TINYINT datatype can range from -127 to 127; whereas the SQL Server TINYINT type always ranges 0 to 255. So, unless it is an unsigned TINYINT, a MySQL TINYINT datatype should be converted to the SQL Server SMALLINT datatype.

Also Know, what is the range of INT in MySQL?

INT − A normal-sized integer that can be signed or unsigned. If signed, the allowable range is from -2147483648 to 2147483647. If unsigned, the allowable range is from 0 to 4294967295. You can specify a width of up to 11 digits.

What is Tinyint?

A TINYINT is an 8-bit integer value, a BIT field can store between 1 bit, BIT(1), and 64 bits, BIT(64). For a boolean values, BIT(1) is pretty common.

Related Question Answers

How big is a Tinyint?

In this article
Data typeRangeStorage
bigint-2^63 (-9,223,372,036,854,775,808) to 2^63-1 (9,223,372,036,854,775,807)8 Bytes
int-2^31 (-2,147,483,648) to 2^31-1 (2,147,483,647)4 Bytes
smallint-2^15 (-32,768) to 2^15-1 (32,767)2 Bytes
tinyint0 to 2551 Byte

What does Tinyint 1 mean?

are all exactly the same. They are all in the range -128 to 127 for SIGNED or 0-255 for UNSIGNED . A tinyint(1) can hold numbers in the range -128 to 127, due to the datatype being 8 bits (1 byte) – obviously an unsigned tinyint can hold values 0-255.

What is Zerofill in MySQL?

247. When you select a column with type ZEROFILL it pads the displayed value of the field with zeros up to the display width specified in the column definition. Values longer than the display width are not truncated. Note that usage of ZEROFILL also implies UNSIGNED.

Is Tinyint a Boolean?

A boolean is ALWAYS true or false. boolean isn't a distinct datatype in MySQL; it's just a synonym for tinyint . See this page in the MySQL manual. i will not recommend enum or tinyint(1) as bit(1) needs only 1 bit for storing boolean value while tinyint(1) needs 8 bits.

What is a Smallint?

SMALLINT data type. The SMALLINT data type stores small whole numbers that range from –32,767 to 32,767. The maximum negative number, –32,768, is a reserved value and cannot be used. The SMALLINT value is stored as a signed binary integer.

What is a Tinyint SQL?

TINYINT Data Type. A 1-byte integer data type used in CREATE TABLE and ALTER TABLE statements. Impala returns the largest or smallest value in the range for the type. For example, valid values for a tinyint range from -128 to 127. In Impala, a tinyint with a value of -200 returns -128 rather than NULL .

What is long in MySQL?

long: The long data type is a 64-bit signed two's complement integer. It has a minimum value of -9,223,372,036,854,775,808 and a maximum value of 9,223,372,036,854,775,807 (inclusive). Use this data type when you need a range of values wider than those provided by int.

What is Tinyint data type?

The TINYINT data type is used to store unsigned integers requiring 1 byte of storage.

What is INT 10 in MySQL?

INT(10) means you probably defined it as INT UNSIGNED . So, you can store numbers from 0 up to 4294967295 (note that the maximum value has 10 digits, so MySQL automatically added the (10) in the column definition which (10) is just a format hint and nothing more. It has no effect on how big number you can store).

What is auto increment?

Auto Increment is a function that operates on numeric data types. It automatically generates sequential numeric values every time that a record is inserted into a table for a field defined as auto increment.

What is INT 11 in MySQL?

11 Answers. An INT will always be 4 bytes no matter what length is specified. The length just specifies how many characters to display when selecting data with the mysql command line client.

What does where 1/2 mean in SQL?

These are simple conditions in Oracle SQL which is used for same column reusability . 1=1 simply means “TRUE” because 1=1 is always true. 1=2 simply means “False” because 1=2 is false always. Basically these kind of conditions used in reporting purpose.

What is data type in SQL?

A data type is an attribute that specifies the type of data that the object can hold: integer data, character data, monetary data, date and time data, binary strings, and so on. SQL Server supplies a set of system data types that define all the types of data that can be used with SQL Server.

How high does Int go?

An int is a whole number (no decimals) and the valid number range is -2,147,483,648 to 2,147,483,647.

What is difference between Int and Tinyint?

The difference between INT and TINYINT data types are following – The TINYINT data types are tiny in nature. They are of 1 bytes (0 – 255 unsigned). On the other hand, the INT data types represent 4 bytes (0 – 4,294,967,295 unsigned). TINYINT in the SQL server is always unsigned.

What is Bigint data type?

BIGINT data type and function. BIGINT supports big integers and extends the set of currently supported exact numeric data types (SMALLINT and INTEGER). A big integer is a binary integer that has a precision of 63 bits. The BIGINT data type can represent 63-bit integers and is compatible with all numeric data types.

What does int mean in SQL?

Int is a data type in the database – an integer (whole number). What it means depends on the database you use – in SQL Server the 4 specifies the field precision. However, this will always be the size of an int in SQL Server. It can holdvalues between -2,147,483,648 and 2,147,483,647.

What is the difference between char and varchar?

The short answer is: VARCHAR is variable length, while CHAR is fixed length. CHAR is a fixed length string data type, so any remaining space in the field is padded with blanks. CHAR takes up 1 byte per character. VARCHAR is a variable length string data type, so it holds only the characters you assign to it.