What is LOB tablespace?
Large object (LOB) table spaces (also known as auxiliary table spaces) hold large object data, such as graphics, video, or large text strings. If your data does not fit entirely within a data page, you can define one or more columns as LOB columns.
What is LOB in memory?
To save memory you can store LOB data on disk, in this case the data is only loaded into memory when it is needed. SAP HANA can store large binary objects (LOBs) such as images or videos on disk and not inside column or row structures in main memory. …
What is a LOB column?
LOB columns are columns that contain large amounts of data either in Binary Format (BLOBs) or Character Format (CLOBs). Tables with LOB data can be processed like other data types, and LOB data can be edited and browsed like other data. LOB columns are displayed in Native or Non-Native mode.
What is PCTVERSION in oracle?
PCTVERSION is the percentage of all used LOB data space that can be occupied by old versions of LOB data pages. As soon as old versions of LOB data pages start to occupy more than the PCTVERSION amount of used LOB space, Oracle tries to reclaim the old versions and reuse them.
What is index type LOB in Oracle?
A LOB is simply a pointer. It points to an index. the index points to the chunks that make up the LOB. Hence when you create a LOB, you will always get a lob index created (to find the chunks for the lob fast) and a segment that holds the lob data (chunks).
What is LOBs Hana?
Since SPS06, SAP HANA offers a flexibility around how it manages data type LOB (Large Object Types) columns, namely Hybrid LOBs. Data types, CLOB, NCLOB and BLOB are used to store a large amount of data such as text documents and images. The current maximum size for an LOB on SAP HANA is 2GB.
What are LOBs in SAP HANA?
SAP HANA can store large binary objects (LOBs) such as images or videos on disk and not inside column or row structures in main memory. This influences the size of the row store loaded into memory and therefore affects start up and takeover times.
What is LOB data type?
Large Objects (LOBs) are a set of data types that are designed to hold large amounts of data. A LOB can hold up to a maximum size ranging from 8 terabytes to 128 terabytes depending on how your database is configured. Storing data in LOBs enables you to access and manipulate the data efficiently in your application.
What is LOB server?
Large OBject (LOB) data types are datatypes that can store large data. These datatypes can hold values larger than 8K row size. Prior to SQL Server 2005, we have only TEXT, NTEXT and IMAGE to hold large data.
What is implicit cursor in SQL?
An implicit cursor has attributes that return information about the most recently run SELECT or DML statement that is not associated with a named cursor. Note: You can use cursor attributes only in procedural statements, not in SQL statements.
