How many architectures can be used with SQL Server?
MS SQL SERVER PROTOCOL LAYER supports 3 Type of Client Server Architecture.
What are SQL Server extents?
Extents are the basic unit in which space is managed. An extent is eight physically contiguous pages, or 64 KB. This means SQL Server databases have 16 extents per megabyte.
What is SQL Server database architecture?
SQL Server database is a logical collection of data. Data is stored in two sets of files – Data Files and Log Files. An Extent consists of 8 – 8KB continuous pages and in similar manner the data file consists of extents. Log files store all modifications that are made to the database such as DDL, DML operations.
What are the major components in SQL Server architecture?
Figure 1-2 shows the general architecture of SQL Server and its four major components: the protocol layer, the query processor (also called the relational engine), the storage engine, and the SQLOS. Every batch submitted to SQL Server for execution, from any client application, must interact with these four components.
What are SQL Server dirty pages?
If it does not find the page, SQL Server gets that page from the disk in the buffer cache. This page is known as a clean page because it does not contain any changes. SQL Server acquires locks on the pages, row-level and performs an update to the records. The modified page is known as a Dirty page.
What are database extents?
An extent is a logical unit of database storage space allocation made up of a number of contiguous data blocks. Each segment is composed of one or more extents. When the existing space in a segment is completely used, Oracle allocates a new extent for the segment.
What is a page database?
A page is a unit of storage whose size is configurable on a system-wide, database-wide, or conglomerate-specific basis. By default, a conglomerate grows one page at a time until eight pages of user data (or nine pages of total disk use, which includes one page of internal information) have been allocated.
How do I find my SQL server architecture?
How do I find out if my SQL server is 32-bit or 64-bit?
- Go to your SQL server.
- Open up the Microsoft SQL Server Management Studio. Start->All programs->Microsoft SQL Server 2008 R2->SQL Server Management Studio.
- Login with your user.
- Click the New Query button.
- Execute the following query. SELECT SERVERPROPERTY(‘edition’)
What is DMV and DMF in SQL Server?
Dynamic management views (DMVs) and dynamic management functions (DMFs) are system views and system functions that return metadata of the system state. On querying the related system objects, database administrators can understand the internals of SQL Server.
How are dirty pages different from clean pages?
Let us quickly discuss that today. Dirty Pages: Dirty pages are the pages in the memory buffer that have modified data, yet the data is not moved from memory to disk. Clean Pages: Clean pages are the pages in a memory buffer that have modified data but the data is moved from memory to disk. Well, that’s it.
What are database pages?
A database page is an 8 KB chunk of data. When you insert any data into a SQL Server database, it saves the data to a series of 8 KB pages inside the data file. If multiple data files exist within a filegroup, SQL Server allocates pages to all data files based on a round-robin mechanism.
What is page count in SQL Server?
Page count is the number of pages that the data in the table takes up, each page is 8kb. The only reliable way to decrease that is to delete data. Don’t fuss over indexes with 3 pages, they won’t defrag. The general recommendation is to worry about fragmentation once a table is over 1000 pages or so.
What is the architecture design in SQL?
Three primary components make up SQL Server architecture: Protocol Layer, Relational Engine, and Storage Engine.
What are the types of pages?
Some typical examples for page types are “Landing page”, “Homepage”, “Product page” or “Blog post”. A page type typically has fields for page-specific content and settings (such as a slug or SEO metadata). Page types in Compose have no specific requirements for the content structure.
What are the different types of pages?
There are dozens of webpage types, but the eight most important ones that you should include on your website are:
- Product Page.
- Landing Page.
- About Page.
- Contact Page.
- Search Page.
- Custom 404 Page.