How do I insert a BLOB into a table?

To insert a VARCHAR2 into a BLOB column you can rely on the function utl_raw. cast_to_raw as next: insert into mytable(id, myblob) values (1, utl_raw. cast_to_raw(‘some magic here’));

How do I create a CLOB table in Oracle?

How to Create a CLOB in Oracle

1. Click the Start button.
2. Click “SQLPlus.”
3. Type a “Connect” command to establish a connection to an Oracle database, using the following example as a guide:
4. Type an “ALTER TABLE” command to add a CLOB item to an existing table, using the following SQL code as a guide:

What is BLOB datatype in Oracle with example?

A BLOB (binary large object) is a varying-length binary string that can be up to 2,147,483,647 characters long. Like other binary types, BLOB strings are not associated with a code page. In addition, BLOB strings do not hold character data.

How to create a table with one blob column?

In order to test BLOB columns in Oracle server, I used the Oracle command line interface to create a test table with one BLOB column: herong> sqlplus Enter user-name: Herong/TopSecret SQL> — Create the test table with a BLOB column 2 CREATE TABLE Image (ID INTEGER PRIMARY KEY, 3 Subject VARCHAR (256), 4 Body BLOB); Table created.

How does Oracle define table blob lob storage?

The LOB storage clause uses a LOB parameters section to specify the LOB tablespace, storage in row, CHUNK and PCTVERSION settings as well as CACHE status and if NOCACHE is specified whether the LOB storage should be LOGGING or NOLOGGING and the specification for the LOB index.

How do you name a blob in Oracle?

If you do not specify the segname parameter the Oracle system will give the segment some wonderful name such as ‘SYS_LOB0000001562C0035$’ so I suggest you name the segments. BLOB and CLOB datatypes are created by use of the CREATE or ALTER TABLE or the CREATE or ALTER TYPE commands.

How are blob and CLOB datatypes created?

BLOB and CLOB datatypes are created by use of the CREATE or ALTER TABLE or the CREATE or ALTER TYPE commands. In fact, they are created identically to other non-sized datatypes such as DATE and LONG with the exception of the LOB storage clause. The LOB storage clause is not needed if the maximum size of the BLOB doesn’t exceed 4000 bytes.