create database schema in oracle xe

... regarding an index-organized table. Unique Indexes When creating a B-tree index you can define it to be a unique index. In this regard it acts like a unique key constraint. When inserting into ... disadvantages to creating a unique index versus allowing Oracle to automatically create the index when defining a primary key or unique key constraint. Reverse Key Indexes Reverse key indexes are useful ... join indexes are available only with the Oracle Enterprise Edition of the database. Bitmap Join A bitmap join index stores the results of a join between two tables in an index. These indexes...

Ngày tải lên: 17/02/2014, 11:20

Ngày tải lên: 29/03/2014, 16:20

... alkaline balance is really a reflection of your life and your inner world. The life giving balance of acid and alkalinity in your body is determined by two things: ã Your Diet o Alkaline In- Take ... underneath in your life; getting rid of the symptoms will not fix your life If you are truly interested in building an incredible life, I highly recommend Tony Robbins’ life changing 7 day ... pleasant… i.e.: strong churning pressure in your stomach. That’s part of the acid which is building up in your blood as you indulge in these emotions. In fact most aches and pains are simply part...

Ngày tải lên: 07/11/2013, 21:15

... and are still available. The INFORMATION _SCHEMA views conform to the SQL-92 Standard. The views are defined within each database in a schema named INFORMATION _SCHEMA. To access them, specify ... columns CONSTRAINT_COLUMN_USAGE Columns that have a constraint defined on them CONSTRAINT_TABLE_USAGE Tables that have a constraint defined on them DOMAIN_CONSTRAINTS User-defined data types ... nvarchar(128) Database name [ Team LiB ] Recipe 10.2 Retrieving Database Schema Information from SQL Server Problem You need to retrieve database schema information from a SQL Server database. ...

Ngày tải lên: 24/12/2013, 05:15

... to interact with the database. Execute queries, inserts, updates, and deletes against a database. Create database tables, sequences, indexes, views, and users. Perform transactions containing ... by the database. BINARY_FLOAT Introduced in Oracle Database 10g, stores a single precision 32-bit floating point number. You’ll learn more about BINARY_ FLOAT later in the section “The BINARY_FLOAT ... 57 Performing Inner Joins on More than Two Tables Using SQL/92 . . . . . . . . . . . . 58 Performing Inner Joins on Multiple Columns Using SQL/92 . . . . . . . . . . . . . . . 58 Performing Outer Joins...

Ngày tải lên: 22/01/2014, 11:20

... BACKUP mọi TABLE  EXECUTE mọi PROCEDURE  EXECUTE mọi TYPE  Quản lý tài nguyên hệ thống,  INSERT, DELETE, và UPDATE trên bảng SYS.INCVID, SYS.INCFIL, SYS.INCEXP.  EXECUTE_CATALOG_ROLE ... LOGO www.themegallery.com Contents EJBCLIENT 1 EXECUTE_CATALOG_ROLE 2 EXP/IMP_FULL _DATABASE 3 HS_ADMIN_ROLE 4 GLOBAL_AQ_USER_ROLE 6 GATHER_SYSTEM_STATISTICS 5 LOGO EXECUTE_CATALOG_ROLE www.themegallery.com ... ghi. www.themegallery.com LOGO HS_ADMIN_ROLE www.themegallery.com LOGO IMP_FULL _DATABASE www.themegallery.com LOGO www.themegallery.com SYSTEM ROLE IN ORACLE LOGO GATHER_SYSTEM_STATISTICS www.themegallery.com ...

Ngày tải lên: 17/02/2014, 01:20

... 'COMPLETED‘; www.themegallery.com LOGO EXP_FULL _DATABASE connect test0/p123; create table A( id varchar2(10) ); insert into A values ('abc'); connect test2/p123; create table B( id varchar2(10) ); www.themegallery.com ... LOGO EXP_FULL _DATABASE www.themegallery.com LOGO IMP_FULL _DATABASE www.themegallery.com LOGO Chuẩn bị  create user test0 identified by p123;  create user test1 identified by p123;  create user ... LOGO EXECUTE_CATALOG_ROLE www.themegallery.com connect test0/p123; exec DBMS_LOCK.sleep(50); LOGO EXP_FULL _DATABASE www.themegallery.com LOGO www.themegallery.com Nội dung demo EXECUTE_CATALOG_ROLE 1 EXP_FULL _DATABASE 2 IMP_FULL_DATABSE 3 GATHER_SYSTEM_STATISTICS 4 ...

Ngày tải lên: 17/02/2014, 01:20

... Backup ( Offline Backup ) Hot Backup ( Online Backup ) Company Logo www.themegallery.com TỔNG QUAN VỀ ORACLE DATABASE Cấu Trúc Vật Lý Cấu Trúc Luận Lý Khái Niệm Chế Độ Log trong Oracle Database ... Lý Oracle Database Company Logo www.themegallery.com CẤU TRÚC BACKUP VỚI RMAN  Cấu Trúc Lệnh RMAN : BACKUP [ ( (FULL | INCREMENTAL LEVEL [=] integer) | [ (FULL | INCREMENTAL LEVEL [=] integer) ... toàn bộ dữ liệu trong database.  Lưu Trữ các dữ liệu thuộc cấu trúc logic của database như tables hay indexes  Tính Chất  Mỗi datafile chỉ có thể được sử dụng trong một database.  Một số tính...

Ngày tải lên: 17/02/2014, 14:20

... terminated successfully without warnings EX_SUCC Export terminated successfully with warnings Import terminated successfully with warnings EX_OKWARN Export terminated unsuccessfully Import terminated ... and CREATE SESSION (System) on remote database Triggers on tables CREATE TRIGGER (System) Triggers on schemas CREATE ANY TRIGGER (System) Indexes CREATE INDEX (System) or UNLIMITED TABLESPACE ... Applicable) Clusters CREATE CLUSTER (System) or UNLIMITED TABLESPACE (System). The user must also be assigned a tablespace quota. Database links CREATE DATABASE LINK (System) and CREATE SESSION...

Ngày tải lên: 17/02/2014, 14:20

... single point of failure. Domain-0 Guest Domain 1 Database 1 Instance 1 Database 2 Instance 1 Database 1 Instance 2 Database 2 Instance 2 ASM Instance +ASM1 ASM Instance +ASM1 ASM Instance +ASM2 ASM ... Instance +ASM2 ASM Instance +ASM2 Oracle ClusterWare Oracle Enterprise Linux Oracle ClusterWare Oracle Enterprise Linux Oracle ClusterWare Oracle Enterprise Linux Oracle ClusterWare Oracle Enterprise Linux Guest ... Clusters in Oracle VM Environments Page 24 INSTALLING ORACLE RAC IN ORACLE VM ENVIRONMENTS The following steps describe the complete installation of Oracle RAC in an Oracle VM environment. Oracle...

Ngày tải lên: 20/02/2014, 05:21

... through- put increase for the same 8ì increase in nodes. To further ascertain the impact of the individual design elements, we executed TATP again using the HR+ design but alternatively removing: (1) ... limit but varying the backtrack limit. The results in Fig. 12 show that using the initial limits of approxi- 70 Partition Data Partition Data Execution EngineExecution Engine Txn Coordinator Client Application Main Memory Core ... process of selecting random tables in the database and resetting their chosen partitioning attributes in the current best design. The partitioning option for a relaxed table is undefined in the design,...

Ngày tải lên: 07/03/2014, 14:20

... recovery starting point and updates the in- memory indexes accordingly. If the LSN of the log entry is greater than the corresponding index entry in the index, then the pointer in the index entry ... version against the current version maintained in the in- dexes to determine whether the record contains the latest data. Such cost of accessing indexes is attributed to the difference in the scan performance ... points to the location of that record in the log. The index of each tablet can be maintained in memory since the size of an index entry is much smaller than the record’s size. The in- memory index...

Ngày tải lên: 16/03/2014, 16:20

... within which vCPUs of a virtual machine were to be scheduled. In ESX 4.0 this has been replaced with finer-grained locking. It reduces scheduling overheads in cases where frequent scheduling ... VMM are posted in the shared completion rings and an interrupt is generated for the guest operating system. By using this mechanism instead of requiring the guest to poll, these interrupts can ... Virtualization Database applications and database management systems typically use large amounts of memory. Maintaining application working sets in memory helps reduce storage I/O. In addition,...

Ngày tải lên: 16/03/2014, 16:20

... and engineering.) in year 2009 from Vishwakarma Institute of Technology, Pune and BE (computer science and engineering.) in year 2003 from Shree Guru Govind Singhji College of engineering and ... in A2-dependant and A2-determiner )_()2(2 nameattributeTravindexdependantA → = − )min(det)2(mindet2 TravoferserindexererA = − + + 2 index End 1e. Storing attributes participating ... new entry in A3-dependant and A3-determiner )_()3(3 nameattributeTravindexdependantA → = − )min(det)3(mindet3 TravoferserindexererA = − + + 3 index International Journal of Database...

Ngày tải lên: 23/03/2014, 12:20

... getSex() : String Address - OID: GUID # City: String # Phone: String # State: String # Street: String + getCity() : String + getStreet() : String + setCity(String) + setStreet(String) tbl_Address City: ... for associating behaviour with data elements through triggers, indexes and constraints. You navigate to distinct information in the object model by moving from object to object using unique object identifiers ... (similar to a network data model). In the relational model you find rows by joining and filtering result sets using SQL using generalised search criteria. Identity in the object model is either a run-time...

Ngày tải lên: 23/03/2014, 12:20

... Generic, $$$) – Visio (Win, Generic, $$) Diff Tools: Example Playing with SQLYog Update Scripting: Code Flow ● Determine version and integrity of current installed database ● Load all necessary ... attributes – No support for “plain“ queries – No support to remove schemas – Only support for primary/unique constraints ● Implemented in – Metabase – PEAR::MDB2 _Schema – ezc/DatabaseSchema ● DBDesigner ... Formats: AXMLS ● RDBMS independent XML format ● Bundled with ADODB ● Supports – Tables ● Columns ● Autoincrement ● Constraints (not fully abstracted) ● Indexes ● Initialization – Queries (not abstracted) ● Create, ...

Ngày tải lên: 23/03/2014, 12:20

Ngày tải lên: 23/03/2014, 12:20

Ngày tải lên: 23/03/2014, 16:21

Ngày tải lên: 23/03/2014, 16:21

Ngày tải lên: 27/03/2014, 13:39