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Essay heading: AD
 
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Date added: May 29, 1997
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No of pages / words: 9 / 2473
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These schema objects exist to allow the schema to be extended or modified when necessary. However, because each schema object is integral to the definition of AD objects, deactivating or changing these objects can have serious consequences because it will fundamentally change the structure of AD itself...
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A schema object, when altered, will automatically propagate through Active Directory and once it is created it can only be deactivated ? not deleted. Changing the schema usually requires a fair amount of planning.[1] [edit] Forests, trees, and domains The framework that holds the objects is viewed at a number of levels...
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Title Pages / Words Save
AD
These schema objects exist to allow the schema to be extended or modified when necessary. However, because each schema object is integral to the definition of AD objects, deactivating or changing these objects can have serious consequences because it will fundamentally change the structure of AD itself...
9 / 2473
Active Directory Proposal
A Forest is a collection of Domains and a domain is a collection of Operational Units. The structure begins with the Forest. A Forest is a collection of one or more domains that are organized as peers and connected by trusted relationships...
3 / 757
Active Directory
It was limited to 40,000 objects and even before that limit was reached, objects became unmanageable due to the lack of organization. The registry was always cached so the larger domains required a lot of RAM usage...
6 / 1559
Data model: OODBMS vs. RDBMS
Having lots of smaller tables is still a problem since a join has to be performed every time one wants to query data based on the "Has-a" relationship between the entities...
4 / 1043
Data warehouse schedule
1 DATA WAREHOUSE 1.1 What is Data Warehouse DAY 1 1.2 Why Data Warehouse 1.3 OLTP Online Transaction Processing 1.4 OLTP VS Data Warehouse ( OLAP) 1...
3 / 660
Major Concepts
A domain is effectively the central logical structure in Active Directory. In addition to domains, there are other logical components in Active Directory such as forests and organizational units (OUs) (Techfaq, 2008)...
3 / 577
Oracle Dumps
| | | | | | |1Z0-047 Oracle Database SQL Expert | | | | | | | | | | | |Exam Topics | |Retrieving Data Using the SQL SELECT Statement|Using the Set Operators |Manipulating Large Data Sets | | | | | |[ ] |[ ] |[ ] | |List the capabilities of SQL SELECT statements|Describe set operators |Manipulate data using subqueries | | | | | | |[ ] |[ ] | |[ ] |Use a set operator to combine multiple a |Describe the features of multitable INSERTs | |Execute a basic SELECT statement |single query | | | | |[ ] | |[ ] |[ ] |Use the following types of multitable INSERTs | |Describe how schema objects work |Control the order of rows returned |(Unconditional, Conditional and Pivot) | | | | | | | |[ ] | |Restricting and Sorting Data |Manipulating Data |Merge rows in a table | | | | | |[ ] |[ ] |[ ] | |Limit the rows that are retrieved by a query |Describe each data manipulation language (DML)|Track the changes to data over a period of | | |statement |time | |[ ] | | | |Sort the rows that are retrieved by a query |[ ] | | | |Insert rows into a table |Generating Reports by Grouping Related Data | | | | | |Using Single-Row Functions to Customize Output|[ ] |[ ] | | |Update rows in a table |Use the ROLLUP operation to produce subtotal | |[ ] | |values | |Describe various types of functions that are |[ ] | | |available in SQL |Delete rows from a table |[ ] | | | |Use the CUBE operation to produce | |[ ] |[ ] |crosstabulation values | |Use character, number, and date functions in |Control transactions | | |SELECT statements | |[ ] | | | |Use the GROUPING function to identify the row | |[ ] |Using DDL Statements to Create and Manage |values created by ROLLUP or CUBE | |Describe the use of conversion functions |Tables | | | | |[ ] | | |[ ] |Use GROUPING SETS to produce a single result | |Reporting Aggregated Data Using the Group |Categorize the main database objects |set | |Functions | | | | |[ ] | | |[ ] |Review the table structure |Managing Data in Different Time Zones | |Identify the available group functions | | | | |[ ] |[ ] | |[ ] |List the data types that are available for |Use Various datetime functions | |Describe the use of group functions |columns | | | | | | |[ ] |[ ] |Retrieving Data Using Subqueries | |Group data by using the GROUP BY clause |Create a simple table | | | | |[ ] | |[ ] |[ ] |Write a multiple-column subquery | |Include or exclude grouped rows by using the |Explain how constraints are created at the | | |HAVING clause |time of table creation |[ ] | | | |Use scalar subqueries in SQL | | | | | |Displaying Data from Multiple Tables |Creating Other Schema Objects |[ ] | | | |Solve problems with correlated subqueries | |[ ] |[ ] | | |Write SELECT statements to access data from |Create simple and complex views |[ ] | |more than one table using equijoins and | |Update and delete rows using correlated | |nonequijoins |[ ] |subqueries | | |Retrieve data from views | | |[ ] | |[ ] | |Join a table to itself by using a self-join |[ ] |Use the EXISTS and NOT EXISTS operators | | |Create, maintain, and use sequences | | |[ ] | |[ ] | |View data that generally does not meet a join |[ ] |Use the WITH clause | |condition by using outer joins |Create and maintain indexes | | | | | | |[ ] |[ ] |Hierarchical Retrieval | |Generate a Cartesian product of all rows from |Create private and public synonyms | | |two or more tables | |[ ] | | | |Interpret the concept of a hierarchical query | | |Managing Objects with Data Dictionary Views | | |Using Subqueries to Solve Queries | |[ ] | | |[ ] |Create a tree-structured report | |[ ] |Use the data dictionary views to research data| | |Define subqueries |on your objects |[ ] | | | |Format hierarchical data | |[ ] |[ ] | | |Describe the types of problems that subqueries|Query various data dictionary views |[ ] | |can solve | |Exclude branches from the tree structure | | | | | |[ ] |Controlling User Access | | |List the types of subqueries | |Regular Expression Support | | |[ ] | | |[ ] |Differentiate system privileges from object |[ ] | |Write single-row and multiple-row subqueries |privileges |Using Meta Characters | | | | | | |[ ] |[ ] | | |Grant privileges on tables |Regular Expression Functions | | | | | | |[ ] |[ ] | | |View privileges in the data dictionary |Replacing Patterns | | | | | | |[ ] |[ ] | | |Grant roles |Regular Expressions and Check Constraints | | | | | | |[ ] | | | |Distinguish between privileges and roles | | | | | | | | | | | |Managing Schema Objects | | | | | | | |[ ] | | | |Add constraints | | | | | | | |[ ] | | | |Create indexes | | | | | | | |[ ] | | | |Create indexes using the CREATE TABLE | | | |statement | | | | | | | |[ ] | | | |Creating function-based indexes | | | | | | | |[ ] | | | |Drop columns and set column UNUSED | | | | | | | |[ ] | | | |Perform FLASHBACK operations | | | | | | | |[ ] | | | |Create and use external tables | | | | | |
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