Latest Answer: In database management, an individual user's partial view of the database. The schema is the entire database. ...
Latest Answer: T There is no topdown and bottomup database as per knowledge is concern ...
Latest Answer: No, more then one query can not been run on same tables becasues if osme query fire a delete operation and the other query some how update the same row then it gives some error cause it may be possible that the previous query deleted the row and ...
What is the difference between Primary Key and Aggregate Key What is the difference between varchar and varchar2?
Latest Answer: jdbc.odbc ...
Latest Answer: DBMS includes the theoretical part that how datas are stored in a table. It does not relate tables with another. While RDBMS is the procedural way that includes SQL syntaxes for relating tables with another and handling datas stored in tables. 1)rdbms ...
Latest Answer: Dr. E.F. Codd, an IBM researcher, first developed the relational data model in 1970. In 1985, Dr. Codd published a list of 12 rules that concisely define an ideal relational database, which have provided a guideline for the design of all relational database ...
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