database lob

What is lob? Lob is a big object data type of the Oracle database. It can store strings of more than bytes, binary data, OS files, and other large object information. the maximum storage capacity. The root Oracle version depends on the size of the

This article mainly describes how to export LOB data using the table operation technique of DB2 database. If there is a table of employee information (USER_INFO. There are three fields in this table: employee ID, employee name, and employee ID card

The following article describes how to export LOB data using the DB2 table operation technique. If you are interested in the correct operation procedure of exporting LOB data using the DB2 table operation technique, you can click to view the

We describe how to export LOB data using the DB2 table operation technique in the hypothetical way. Suppose there is a table of employee information (USER_INFO. The table contains three fields: employee ID, employee name, and employee ID card copy.

We all knowVARCHAR2 is also recommended by Oracle. However, VARCHAR2 has a problem: a maximum of 4000 characters can be entered, which is equivalent to 2000 Chinese characters. If the value of a character in your program is greater than 20002

PHP + Oracle (OCI) preliminary describes how to use the OCI function in PHP to connect to the Oracle database, execute some SQL queries, and close the database connection. This article will introduce another difficult issue: using the OCI function

Use and Maintenance of Lob fields in Oracle This document introduces the basic methods for using and maintaining the lob data type in Oracle databases through the dbms_lob package. Keywords: Oracle dbms_lob lob Maintenance Graph classification: TP31

We all know that.VARCHAR2 is also a recommended type for Oracle companies. But there is a problem with VARCHAR2: The maximum is only 4,000 characters, which is equivalent to 2000 characters. If the value of a character in your program is greater

Use PHP to manipulate the LOB data of Oracle. Read the LOB data of Oracle with PHP. Source: anyone who has used Oracle in IT computer tutorials knows that, oracle has a data type named VARCHAR2, which is used to indicate an indefinite string.

Use PHP to manipulate Oracle LOB data. Source: anyone who has used Oracle in the IT computer tutorial knows that there is a data type in Oracle called VARCHAR2, which is used to indicate an indefinite string. VARCHAR2 is also recommended by Oracle