What is the length of integer in MySQL?
Table 11.1 Required Storage and Range for Integer Types Supported by MySQL
Type | Storage (Bytes) | Maximum Value Signed |
---|---|---|
SMALLINT | 2 | 32767 |
MEDIUMINT | 3 | 8388607 |
INT | 4 | 2147483647 |
BIGINT | 8 | 263-1 |
What is length value in MySQL?
Length. The length is fixed and indicates the number of characters declared when a table is created. It can be any value from 0 to 255 bytes. The length is variable, but the maximum is specified when creating a table.
What does int 11 means in MySQL?
in int(11), 11 is the display width of the integer column, unlike the characters columns where the number means number of character that can be stored. int(11) – The number in the parenthesis i.e () does not determines the max and min values that can be stored in the integer field.
What is integer in MySQL?
In MySQL, INTEGER (INT) is a numeric value without a decimal. It defines whole numbers that can be stored in a field or column. Except for standard INT and SMALLINT data types, MySQL supports TINYINT, MEDIUMINT, and BIGINT numeric data types that can be SIGNED and UNSIGNED.
How many digits INT can SQL hold?
The range of an int data type is -2,147,483,648 to 2,147,483,647.
How big is int ( 11 ) in MySQL in bytes?
In MySQL integer int (11) has size is 4 bytes which equals 32 bit. Signed value is : – 2^ (32-1) to 0 to 2^ (32-1)-1 = -2147483648 to 0 to 2147483647 Show activity on this post. according to this book:
What does the length prefix mean in MySQL?
The length prefix indicates the number of bytes in the value. A VARCHAR column uses one length byte if values require no more than 255 bytes, two length bytes if values may require more than 255 bytes.
Which is the maximum column length in MySQL?
M represents the maximum column length in characters. MySQL stores VARCHAR values as a 1-byte or 2-byte length prefix plus data. The length prefix indicates the number of bytes in the value. A VARCHAR column uses one length byte if values require no more than 255 bytes, two length bytes if values may require more than 255 bytes.
How is an integer stored in MySQL protocol?
The MySQL Protocol has a set of possible encodings for integers: A fixed-length integer stores its value in a series of bytes with the least significant byte first. A int<3> with the value 1 is stored as: