What is a Global Index and Local Index?

1 Answer

Answer :

Local Index - each partition of a local index is associated with exactly one partition of the table. Global Index - global index is associated with multiple partitions of the table.
Oracle offers two types of global partitioned index:
- Global Range Partitioned Indexes
- Global Hash Partitioned Indexes
Global Nonpartitioned Indexes - behave just like a nonpartitioned index.

Related questions

Description : What is mean by Program Global Area (PGA) ?

Last Answer : It is area in memory that is used by a Single Oracle User Process.

Description : When the form is running in DEBUG mode, If you want to examine the values of global variables and other form variables, What package procedure command you would use in your trigger text ?

Last Answer : Break. SYSTEM VARIABLES

Description : What is mean by Program Global Area (PGA)?

Last Answer : It is area in memory that is used by a single Oracle user process.

Description : How can you rebuild an index?

Last Answer : ALTER INDEX REBUILD;

Description : What type of index should you use on a fact table?

Last Answer : A Bitmap index.

Description : Give the reasoning behind using an index.

Last Answer : Faster access to data blocks in a table.

Description : What is an index segment?

Last Answer : Each index has an index segment that stores all of its data.

Description : What is index cluster?

Last Answer : A cluster with an index on the cluster key.

Description : what is clustered index?

Last Answer : In an indexed cluster, rows are stored together based on their cluster key values . Can not applied for HASH.

Description : When should one rebuild an index? (for DBA

Last Answer : You can run the 'ANALYZE INDEX VALIDATE STRUCTURE' command on the affected indexes - each invocation of this command creates a single row in the INDEX_STATS view. This row is overwritten by the next ANALYZE ... 'badness' of the index can then be judged by the ratio of 'DEL_LF_ROWS' to 'LF_ROWS'.

Description : Why is Oracle not using the damn index? (for DBA

Last Answer : This problem normally only arises when the query plan is being generated by the Cost Based Optimizer. The usual cause is because the CBO calculates that executing a Full Table Scan would be faster ... with AUTOTRACE to see the statistics. Compare this to the explain plan when not using an index.

Description : What is an Index ? How it is implemented in Oracle Database ?

Last Answer : An index is a database structure used by the server to have direct access of a row in a table. An index is automatically created when a unique of primary key constraint clause is specified in create table comman (Ver 7.0)

Description : What is Index Cluster ?

Last Answer : A Cluster with an index on the Cluster Key

Description : How are the index updates?

Last Answer : Indexes are automatically maintained and used by Oracle. Changes to table data are automatically incorporated into all relevant indexes.

Description : What is an Oracle index?

Last Answer : An index is an optional structure associated with a table to have direct access to rows, which can be created to increase the performance of data retrieval. Index can be created on one or more columns of a table.

Description : What is an Index ?

Last Answer : An Index is an optional structure associated with a table to have direct access to rows, which can be created to increase the performance of data retrieval. Index can be created on one or more columns of a table.

Description : What is an Index Segment ?

Last Answer : Each Index has an Index segment that stores all of its data.

Description : What is an Index Organized Table?

Last Answer : An index-organized table (IOT) is a type of table that stores data in a B*Tree index structure. Normal relational tables, called heap-organized tables, store rows in any order (unsorted). In contrast ... all the columns of the table (an exception to this rule - is being called the overflow area).

Description : A Column is having many repeated values which type of index you should create on this column, if you have to?

Last Answer : For example, assume there is a motor vehicle database with numerous low-cardinality columns such as car_color, car_make, car_model, and car_year. Each column contains less than 100 distinct values by themselves, and a b tree index would be fairly useless in a database of 20 million vehicles.

Description : What is B-Tree Index?

Last Answer : A B-Tree index is a data structure in the form of a tree, but it is a tree of database blocks, not rows. Note: "B" is not for binary; it's balanced.

Description : How can I dump an oracle schema to a LOCAL file over a network connection from sqlplus?

Last Answer : By connecting and spooling are you excluding the exp/imp commands (or expdb/impdb in 10g)?

Description : Can you connect to a local database without a listener?

Last Answer : Yes, you can.

Description : Which results of the 2011 Global Peace Index for countries do you find most surprising?

Last Answer : Why is India a surprise? Surely its ongoing conflicts with Pakistan make it a low peace level country. Russia is a bit of a surprise for me being so dark but the countries you have picked out do not ... be because they don't care its just that news sells better if it is about areas closer to home.

Last Answer : Bangladesh ranks 25th in the 2017 Global Terrorism Index.

Last Answer : Bangladesh ranks 105th in Global Competitiveness Index (out of 141 countries).

Last Answer : Bangladesh ranks 7th in the world in global hunger index.

Last Answer : Bangladesh ranks 103rd in the 2015 Global Prosperity Index.

Description : The Indian passport was ranked _______ in the 'Global passport index report 2019'.

Last Answer : 67th

Description : What was India's rank among 156 countries in the Global Happiness Index 2019? —

Last Answer : 140th

Description : English slang, Englishisms, phrases and idioms have been discussed here over and over since day one - nonetheless, come across any new (local, global) slang euphemism lately?

Last Answer : I’m so behind the times – I’ve just discovered ‘My bad’. Then I heard it on an old episode of Friends from about 10 years ago.

Description : The points in the entire structure are defined using the coordinates system is known as a.local coordinates system b.natural coordinates system c.global coordinate system d.none of the above

Last Answer : c.global coordinate system

Description : Why is a dense and efficient network of transport and communication a prerequisite for the development of local, national and global trade of today? -SST 10th

Last Answer : Dense and efficient network of transport and communication: (i) We use different material and services in our daily life. Some of these are available in our immediate surroundings while other ... with the rest of the world despite its vast size diversity, linguistic and socio-cultural plurality.

Description : In contemporary society global styles are given a unique local flavour. Explain the concept of cultural hybridisation with examples.

Last Answer : In contemporary society global styles are given a unique local flavour. Explain the concept of cultural hybridisation with examples.

Description : How are local energy systems in the desert related to global systems?

Last Answer : Feel Free to Answer

Description : How does global stratification impact local culture positively?

Last Answer : Need answer

Description : Uncertainty arises in the wumpus world because the agent’s sensors give only ___________ a) Full & Global information b) Partial & Global Information c) Partial & local Information d) Full & local information

Last Answer : c) Partial & local Information

Description : What are the main cons of hill-climbing search? a) Terminates at local optimum & Does not find optimum solution b) Terminates at global optimum & Does not find optimum solution c) Does not find optimum solution & Fail to find a solution

Last Answer : a) Terminates at local optimum & Does not find optimum solution

Description : A complete, local search algorithm always finds goal if one exists, an optimal algorithm always finds a global minimum/maximum. a) True b) False

Last Answer : a) True

Description : What are the main cons of hill-climbing search? A : Terminates at local optimum & Does not find optimum solution B : Terminates at global optimum & Does not find optimum solution C : Does not find optimum solution & Fail to find a solution D : Fail to find a solution

Last Answer : A : Terminates at local optimum & Does not find optimum solution

Description : Which localization does not requre any previous informatiom A : Absolute B : Local C : Global D : Passive

Last Answer : C : Global

Description : Which localization does not requre any previous informatiom A : Absolute B : Local C : Global D : Passive

Last Answer : C : Global

Description : What are the main cons of hill-climbing search? A : Terminates at local optimum & Does not find optimum solution B : Terminates at global optimum & Does not find optimum solution C : Does not find optimum solution & Fail to find a solution D : Fail to find a solution

Last Answer : A : Terminates at local optimum & Does not find optimum solution

Description : Which localization does not requre any previous informatiom A : Absolute B : Local C : Global D : Passive

Last Answer : C : Global

Description : What are the main cons of hill-climbing search? A : Terminates at local optimum & Does not find optimum solution B : Terminates at global optimum & Does not find optimum solution C : Does not find optimum solution & Fail to find a solution D : Fail to find a solution

Last Answer : A : Terminates at local optimum & Does not find optimum solution

Description : What are the function variables? (OR) What are the local and global variables?

Last Answer : FUNCTION VARIABLES : They are two types of variables. 1 : Local Variable. 2 : Global Variable. 1 : Local Variable : The local variables are defined within the body of the function or block. These ... variables m' and n' are defined outside the main() function. Hence they are global variables.

Description : subroutine declaration come after procedure announcement: a. Global b. Local c. Botha &b d. None of these

Last Answer : a. Global

Description : If internal subroutine is called global data is used to pass values defining parameters between __ program and defined | a. Main and subroutine b. Local and subroutine c. Global and subroutine d. Global and main

Last Answer : a. Main and subroutine

Description : In a ________ network, twotypes of addressing are involved: global and local. A) virtual-circuit B) datagram C) circuit-switched D) none of the above

Last Answer : virtual-circuit

Description : These are the Four Stages of Globalization A. Domestic, International, Multinational, Global (Stateless) B. Local, State, Country, World C. Micro, Macro, Geo-political, Geo-social D. Exporting, Licensing, Franchising, Joint Venture

Last Answer : Domestic, International, Multinational, Global (Stateless)

Description : These are the Four Stages of Globalization A. Domestic, International, Multinational, Global (Stateless) B. Local, State, Country, World C. Micro, Macro, Geo-political, Geo-social D. Exporting, Licensing, Franchising, Joint Venture

Last Answer : Domestic, International, Multinational, Global (Stateless)