What is BLOB and CLOB in MySQL?
Blob and Clob together are known as LOB(Large Object Type). The full form of Blob is a Binary Large Object. The full form of Clob is Character Large Object. This is used to store large binary data. This is used to store large textual data.
What is CLOB datatype in MySQL?
CLOB stands for Character Large Object. in general, an SQL Clob is a built-in datatype which is used to store large amount of textual data. Using this datatype, you can store data up to 2,147,483,647 characters. MYSQL database provides support Clob datatype TINYTEXT, TEXT, MEDIUMTEXT, LONGTEXT.
What is BLOB type in MySQL?
A BLOB is a binary large object that can hold a variable amount of data. The four BLOB types are TINYBLOB , BLOB , MEDIUMBLOB , and LONGBLOB . They have the binary character set and collation, and comparison and sorting are based on the numeric values of the bytes in column values.
What is CLOB or BLOB?
BLOB stands for binary large objects, which are used for storing binary data, such as an image. CLOB stands for character large objects, which are used to store string data too large to be stored in a VARCHAR column.
What is the difference between text and blob in mysql?
BLOB is used for storing binary data while Text is used to store large string. BLOB values are treated as binary strings (byte strings). They have no character set, and sorting and comparison are based on the numeric values of the bytes in column values. TEXT values are treated as nonbinary strings (character strings).
What is a CLOB data type?
A CLOB (character large object) value can be up to 2,147,483,647 characters long. A CLOB is used to store unicode character-based data, such as large documents in any character set. Length is specified in characters (unicode) for CLOB. …
What is BLOB database?
BLOB stands for Binary Large Object. It is defined as the chunk of binary data being stored as a single entity in a database system. BLOBs are used primarily to hold multimedia objects like images, videos, and sound, though they can also be used to store programs. Not all DBMS’s support BLOBs.
Why is CLOB used?
A CLOB (character large object) value can be up to 2,147,483,647 characters long. A CLOB is used to store unicode character-based data, such as large documents in any character set.
What is the difference between CLOB and Nclob?
The primary difference between these types is that the CLOB type uses 1 byte per character to store characters in the ASCII character set while the NCLOB type uses 2 or 3 bytes per character to store characters in the Unicode character set. The BLOB (Binary Large Object) type can store data in binary format.