Server Pages Database Coursework

Server Pages Database Coursework-75
; microsoft.support = microsoft.support

; microsoft.support.content = (function(){ return { "click Tale Configuration": , "Internal Content Config": , "Mwf Configuration": , "Rps Sign In Info": , "Site Content Config": { "Link Farm Enabled": true, "One Site Service Uri": "https://uhf.microsoft.com//shell/xml/?Java Server Page (JSP) is a technology for controlling the content or appearance of Web pages through the use of servlets, small programs that are specified in the Web page and run on the Web server to modify the Web page before it is sent to the user who requested it.

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In this case to reduce access times the BLOB columns can be split to its own table.

Another example is to restrict access to sensitive data e.g. Vertical partitioning splits a table into two or more tables containing different columns: An example for vertical partitioning can be a large table with reports for employees containing basic information, such as report name, id, number of report and a large column with report description.

The second approach is to partition an existing table by rebuilding or creating a clustered index on the table.

SQL Server 2005 introduced a built-in partitioning feature to horizontally partition a table with up to 1000 partitions in SQL Server 2008, and 15000 partitions in SQL Server 2012, and the data placement is handled automatically by SQL Server.

A partition function is a function that maps the rows of a partitioned table into partitions based on the values of a partitioning column.

In this example we will create a partitioning function that partitions a table into 12 partitions, one for each month of a year’s worth of values in a datetime column: Now just copy data from your table and rename a partitioned table.An additional, user-defined, filegrups can be created to contain secondary files (.ndf).We will create 12 filegroups for every month: After creating additional filegroups for storing data we’ll create a partition function.Horizontal partitioning divides a table into multiple tables that contain the same number of columns, but fewer rows.For example, if a table contains a large number of rows that represent monthly reports it could be partitioned horizontally into tables by years, with each table representing all monthly reports for a specific year.The main of goal of partitioning is to aid in maintenance of large tables and to reduce the overall response time to read and load data for particular SQL operations.Vertical table partitioning is mostly used to increase SQL Server performance especially in cases where a query retrieves all columns from a table that contains a number of very wide text or BLOB columns.Sun Microsystems, the developer of Java, also refers to the JSP technology as the Servlet application program interface (API).JSP is comparable to Microsoft's Active Server Page (ASP) technology.To reduce the cost of the query we will change the SQL Server database schema and split the Vertical partitioning on SQL Server tables may not be the right method in every case.However, if you have, for example, a table with a lot of data that is not accessed equally, tables with data you want to restrict access to, or scans that return a lot of data, vertical partitioning can help.

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