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Which data type take up the maximum bytes?
9. Which “text type” has the maximum number of bytes? Explanation: Long text store 4, 294, 967, 295. 10.
What is the maximum length for long data type in SQL?
8000 characters
Also known as Variable Character, it is an indeterminate length string data type. It can hold numbers, letters and special characters. Microsoft SQL Server 2008 (and above) can store up to 8000 characters as the maximum length of the string using varchar data type.
What is the maximum length in characters for a MySQL table?
Names for databases, tables, columns, and indexes can be up to 64 characters long. Alias names can be up to 256 characters long.
What is the size of date data type?
Date and Time Type Storage Requirements
| Data Type | Storage Required Before MySQL 5.6.4 | Storage Required as of MySQL 5.6.4 |
|---|---|---|
| DATE | 3 bytes | 3 bytes |
| TIME | 3 bytes | 3 bytes + fractional seconds storage |
| DATETIME | 8 bytes | 5 bytes + fractional seconds storage |
| TIMESTAMP | 4 bytes | 4 bytes + fractional seconds storage |
Can we use VARCHAR in MySQL?
Varchar in MySQL is a data type used for storing text whose length can have a maximum of 65535 characters. The varchar columns in the table are of variable length string that can hold either numeric or character or both. It can be stored in MySQL as a 1-byte or 2-byte length prefix plus actual size.
What is the difference between VARCHAR and char in MySQL?
CHAR is fixed length while VARCHAR is variable length. That means, a CHAR(x) string has exactly x characters in length, including spaces. A VARCHAR(x) string can have up to x characters and it cuts off trailing spaces, thus might be shorter than the declared length.
How big is a medium text string in MySQL?
The MEDIUMTEXT data object is useful for storing larger text strings like white papers, books, and code backup. These data objects can be as large as 16 MB (expressed as 2^24 -1) or 16,777,215 characters and require 3 bytes of overhead storage. The LONGTEXT data object is for use in extreme text string storage use cases.
What’s the maximum length for tinytext in MySQL?
Length Allowed” = “Approx. Length” in bytes – 1 Note: If using multibyte characters (like Arabic, where each Arabic character takes 2 bytes), the column “Exact Max. Length Allowed” for TINYTEXT can hold be up to 127 Arabic characters (Note: space, dash, underscore, and other such characters, are 1-byte characters).
How is a variable length string stored in MySQL?
Variable-length string types are stored using a length prefix plus data. The length prefix requires from one to four bytes depending on the data type, and the value of the prefix is L (the byte length of the string).
What are the data type storage requirements in MySQL?
Numeric Type Storage Requirements Data Type Storage Required TINYINT 1 byte SMALLINT 2 bytes MEDIUMINT 3 bytes INT , INTEGER 4 bytes