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Soccer player ER Diagram to Relational database schema
Can we delete data element, which is being used by table fields. No we cant delete data element.
What benefits can a company gain by managing its own information infrastructure and servicea
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
why we fregment at all?
Atomicity : Either all functions are laid out or none are. Users could not have to think about the effect of incomplete operations. DBMS ensures this by undoing the functions
comparison of oracle RDBMS with MySQL
An orchestra database consists of the following relations: CONDUCTS (conductor, composition) REQUIRES (composition, Instrument) PLAYS (Player, Instrument) Give the relational
DML Precompiler All the DBMS have two basic sets of Languages - Data Definition Language (DDL) that have the set of commands needed to define the format of the data that is b
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
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