lobs

Original link: http://www.oracle.com/technetwork/articles/fuecks-lobs-095315.html Working with LOBs in Oracle and PHPby Harry FuecksHitting the 4,000-byte limit? Enter lobs ...

In oracle, four lobs types are available: blob, clob, bfile, and nclob. In oracle, four lobs types are available: blob, clob, bfile, and nclob. In Oracle, four lobs types are available: blob, clob, bfile, and nclob. The following is a brief

At some point in time, the application may need to store "large" data in the database. "Big" usually means "about 4kb or more", although some databases can easily process up to 32kb of data before the data reaches "large". Large objects can be

The PDO of the PHP database abstraction layer-a large object (LOBs) application may need to store "big" data in the database at a certain time point. "Large" usually means "about 4 kB or above", although some databases can easily process up to 32 kB

In Oracle, four lobs types are available: blob, clob, bfile, and nclob. The following is a brief introduction to the lob data type. Blob: Binary lob, Which is binary data. It can be up to 4 GB and stored in the database. Clob: character lob,

Original post http://hi.baidu.com/rich0411/blog/item/fa0c61ee3a68502e2df534bc.html   The so-called data movement in DB2 includes: 1. Import Data) 2. Data Export (Export) 3. Load) Both import and load use DB2 commands to save data in files of a

DB2 in the so-called data movement, including: 1. Imports of data (import) 2. Export of data (exports) 3. Loading (load) of the data. Imports and loads use DB2 's related commands to save data from a file in a format to a table in a database, which

The so-called data movement in DB2 includes:1. Import Data)2. Data Export (Export)3. Load) Both import and load use DB2 commands to save data in files of a certain format to tables in the database.Export refers to saving the data in the table of the

describe how securefiles improves the performance of large object (LOB) data types? Access the securefiles using SQL and PL + + APIs Manage Corporate Information Organizations need to manage many types of data efficiently and securely:?

SQL> select 1-(physical. Value-direct. Value-lobs. Value)/logical. value)2 "buffer cache hit ratio"3 from V $ sysstat physical, V $ sysstat direct, V $ sysstat lobs, V $ sysstat logical4 where physical. Name = 'physical reads'5 and direct. Name =