oracle create table clob example

1. How to Deal with clob in MySQL and Oracle databases. BLOB data type (1) cannot be connected to clob in the database. The Blob type is as follows:   MySQL: clob corresponds to text and blob    In DB2/Oracle: clob corresponds to clob and blob(2)

Method One: In Oracle, fields for LOB (Large object, large objects) types are now used more and more. Because of this type of field, large capacity (up to 4GB of data), and a table can have more than one of these types of fields, is flexible,

method One: In Oracle, fields for LOB (Large object, large objects) types are now used more and more. Because of this type of field, large capacity (up to 4GB of data), and a table can have more than one of these types of fields, is flexible,

From csdn ======================================================== In Oracle, four lobs types are available: blob, clob, bfile, and nclob. The following is a brief introduction to the lob data type. L BLOB: Binary lob, Which is binary data. It can

ScenarioThe columns in the original table are defined as VARCHAR2 types, and it is well known that the maximum support length for the VARCHAR2 type is 4000. Assume that because of business needs. To convert this column to the CLOB type, it is not

Environment: eclipse3.1 + hibernate2 + Oracle 10gNote: In this example, eclipse3.1 is used to read and write blob/clob data in Oracle through a Java project.1. Create a new table in the Oracle database named bigdata. The SQL statement is as

Introduction to the long raw blob clob type in Oracle, blobclob Note: RAW: unprocessed type, which can store binary data or byte charactersLONG: variable-length string data. The maximum length is 2 GB. LONG has the VARCHAR2 column feature. It can

DescriptionRaw: Unprocessed type, can store binary data or byte charactersLong: variable long string data, longest 2g,long has VARCHAR2 column attributes, can store long text in one table up to a long column "not recommended"Long RAW: variable Long

1. the user data needs to exist in the csv file. Because Apex does not allow uploading of more than 44 columns of data (more than 90 columns in this case), you must first import all columns to a clob field, then, use the stored procedure to export

Except for the reprinted content, this article is original site: reposted from lovewifelovelife-Roger's Oracle technology blog link: how to solve the problem of Chinese garbled characters when OracleDUL recovers clob? I was bored and studied how