Hello <span>Bgirl5157
</span><span>
One important inheritance characteristic is that all entity subtypes inherit their primary key attribute from their supertype. primary natural foreign surrogate
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-Chris</span>
Answer:
Relational query language is the language that is used in the queries of the relational databases that has rows and columns in table. The user or client presents a request for gaining the information from the database. The relationships in the database are defined in numerous ways which creates the query.
This language can be procedural form or non-procedural form.The operations performed by this language are communication with the relational database, analyzing the relationships between the entities of database,splitting the request from client and then execution of that request is done by database management system(DBMS), etc.
Answer:
technology standards
Explanation:
Technology standards can be regarded as standards that dish specifications that set up Product compability as well as communication capability in network, they give standards that are required in using technology in different areas such as teaching, business, IT network as well as learning. One of the body that Ado publish this is the International Society for Technology in Education( ISTE) which is a non profit membership association that regulate technology as regards educational technology.
It should be noted technology standards is Specifications that establish the compatibility of products and the ability to communicate in a network.