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What is the first step in creating a database?
The first step in creating a database is to define the purpose and scope of the database, including identifying the data that needs to be stored and how it will be organized. This involves understanding the requirements of the system and the relationships between different data elements.
What is a field that might be used in a database about students?
A simple field in this database would be the name of students, though first and last names are often separated into two fields.
When was a data base invented?
The first database management system (DBMS), known as the Integrated Data Store, was developed by Charles Bachman in 1963. This marked the beginning of modern database systems.
Can someone name two important historical contributions in database development and design?
Two important historical contributions in database development and design are the development of the relational model by E.F. Codd in the 1970s, which introduced the concept of relational databases and structured query language (SQL), and the creation of the first commercial database management system (DBMS) by IBM called IMS in the 1960s, which laid the foundation for modern database systems.
How do you retrieve data from database in PHP?
There are many factors that must be taken into consideration when looking to retrieve data from a database, such as 'what database management system do i posses/supported by my host?' in most cases people looking to retrieve data using php posses SQL database management systems such as MySQL in their control panel which can be used to create, delete and alter databases, along with creating multiuser access to the databases.once the databases are created and their respected users are added and given their database privileges, one can begin adding and proccessing data to and from a database.assuming that all the previous has been acheived and there is data in the database, below is a set of php/mysql functions that can process multiple rows of data in a database table.$link = mysql_connect ("localhost", "USERNAME HERE", "PASSWORD HERE") or die (mysql_error());$mysql_db = mysql_select_db ("DATABASE NAME") or die (mysql_error());$db_search = mysql_query("SELECT * FROM `TABLE NAME`");if (@mysql_num_rows($db_search) > 0) {while($data = mysql_fetch_array($db_search)) {}}first you connect to your host, then select the database, query a selected table, check for rows of data in the table, place the array of data into a variable, and do what you please with the data now contained within that variable.for more information go to php.net/mysql
What is the first step OSPF and ISIS routers take in building a shortest path first database?
***learn about directly connected networks
What is the purpose of LSA 's?
The purpose of LSAs (Location Service Advertisements) is to inform nearby routers about a new router being introduced to the network, and to exchange routing information among routers using OSPF (Open Shortest Path First) protocol. LSAs help routers build a consistent and up-to-date view of the network topology.
How many maximum routers supported by OSPF area?
OSPF (Open Shortest Path First) can theoretically support up to 250 routers in a single area. However, the practical limit is often lower, typically around 50 to 60 routers per area, to maintain optimal performance and reduce overhead. It's recommended to design OSPF networks with fewer routers per area to enhance stability and manageability.
What type of OSPF state?
In OSPF (Open Shortest Path First), there are several key states during the formation of neighbor relationships. These include the Down, Init, Two-Way, ExStart, Exchange, Loading, and Full states. The transition through these states ensures that routers can establish and maintain adjacencies, exchange routing information, and build a synchronized link-state database. Each state serves a specific purpose in the OSPF neighbor discovery and database synchronization process.
Can Routers communicate with each other?
Yes, routers can communicate with each other to exchange information about network paths and manage data traffic. This communication typically occurs through routing protocols, such as OSPF (Open Shortest Path First) or BGP (Border Gateway Protocol), allowing routers to share routing tables and optimize data transmission across networks. By collaborating in this way, routers ensure efficient routing and help maintain network reliability.
What are the two most commonly encountered link-state routing protocols in ip network?
Routers that run a link-state protocol can establish a complete topology of the network. The shortest path first algorithm is used.
What is the Programming code for shortest job first?
What is the Programming code for shortest job first?
What are two routing protocold use by routers to learn remote networks and build their routing table?
Two common routing protocols used by routers to learn remote networks and build their routing tables are Routing Information Protocol (RIP) and Open Shortest Path First (OSPF). RIP is a distance-vector protocol that uses hop count as its metric, while OSPF is a link-state protocol that uses a more complex algorithm based on the state of the links to determine the shortest path. Both protocols enable routers to exchange routing information and dynamically update their routing tables as network topologies change.
What was the first piece of technology ever invented?
Routers
What setps occur in the Open Shortest Path First OSPF convergence process?
Designated Router DR election is held before link-state advertisements LSAs are sent. All routers are informed of the problematic route via link-state advertisements LSAs.
When was the first database used?
The creation of the first DNA criminal investigative database was in 1995 in Britain.
What kind of a database management system is Oracle Database?
Oracle database is the first database management system based on the System-R model of IBM and the first relational database that uses SQL. Though it supports various operating systems.
