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Why Like predicate used for?
LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
Relational Model: The relational model uses a collection of tables to represent both data and the relationships among those data. Each table has multiple columns and each column h
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
Explain Network Model in DBMS? Network Model - It was formalised within the late year of 1960s through the Database Task Group of the Conference on Data System Language (DBTG
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
what would go in order patient#, patient name, patien address, surgeon#, surgeon name, surgery date, surgery type, drug admin
explain cascading rollback
Conversion of entity sets: I) For every strong entity type E in the ER diagram, we make a relation R containing all the easy attributes of E. The relation R pri
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
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