Oracle® Database Concepts doc

... Oracle® Database Concepts 10g Release 1 (10.1) Part No. B10743-01 December 2003 x How Views Are Used 5-18 Mechanics ... Segments Introduction to Data Blocks, Extents, and Segments Oracle allocates logical database space for all data in a database. The units of database space allocation are data blocks, extents, and segments. Figure ... Oracle operating system-specific documentation...

Ngày tải lên: 22/10/2013, 15:15

... indicated: See Also: Oracle Database Concepts for an overview of database objects Datatype Comparison Rules 2-56 SQL Reference The following rules govern the direction in which Oracle Database makes implicit datatype ... Oracle Database distributed functionality. This is the name of the database containing the object. The dblink qualifier lets you refer to an object in a database...

Ngày tải lên: 21/12/2013, 04:17

... The database divides your composite index into two logical subindexes, one with the key M and the other with the key F. Even though you haven't specified the leading column gender, the database ... normal B-tree index, the database inserts index values sequentially. If the next two primary key value generated by an Oracle sequence are 12345 and 12346, for example, the database...

Ngày tải lên: 17/02/2014, 11:20

... categories: database networking and Oracle Appli- cation Server. Database Networking Database users connect to the database by establishing a network connection. You can also link database servers ... development. Database Programming All flavors of the Oracle database include different languages and interfaces that allow programmers to access and manipulate the data in the dat...

Ngày tải lên: 20/02/2014, 05:21

... Oracle Database Concepts Grouping Operations into Transactions How Oracle Database Processes SQL Statements 5-5 ■ Use the ANALYZE command to collect statistics that can be used by Oracle Database ... for a client of Oracle Database version 7 to access a more recent database, and vice versa. A client in this sense could be a remote database accessing a server using database lin...

Ngày tải lên: 10/12/2013, 13:15

... information about the version of the database (Oracle Database 10g and above). DBMS_ERRLOG Allows an error-logging table to hold DML errors, letting you continue past DML errors (Oracle Database 10g Release ... applications. HTMLOPEN Opens an HTML document. HTMLCLOSE Closes an HTML document. PRINT Sends text to the HTML buffer. UTL_FILE Reads from or writes to nondatabase text files. Bu...

Ngày tải lên: 13/12/2013, 03:15

... may also be defined on the database to “fire” when certain database conditions occur, such as starting the database, or when a database error occurs. Java objects Oracle Database 11g includes Java ... name as the user. If the database user does not own any database objects, then no schema is associated with the user. A schema is a logical grouping of database objects. A data...

Ngày tải lên: 14/12/2013, 15:15