SQLite zeroblob() Function
The SQLite zeroblob() function returns a blob containing the given number of bytes of 0x00.
Syntax
Here is the syntax of the SQLite zeroblob() function:
zeroblob(n)
Parameters
n-
Required. number of bytes.
Return value
The SQLite zeroblob() function returns a blob containing n bytes of 0x00.
Examples
To generate a blob containing a byte of 0x00, use the following statement:
SELECT hex(zeroblob(1));
hex(zeroblob(1))
----------------
00Here, we use the hex() function to convert the result of zeroblob(1) to its hexadecimal representation.
To generate a blob containing 10 random bytes, use the following statement:
SELECT hex(zeroblob(10));
hex(zeroblob(10))
--------------------
00000000000000000000