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Describe the capabilities offered via MySQL client APIs?
. • Checking for errors.
. • Connecting to the MySQL server, selecting a database, disconnecting from the server
State the meaning of Object Representation The term object representation means "to represent object with the help of objects model symbols". Implementing objects is too simp
external and internal mapping with examples
Aggregate functions Some of these functions are min, count, max, and avg. These functions help in getting consolidated information from a set of tuples. Example:
What are referential integrity constraints? A value that appears in single relation for a given set of attributes also appears for a particular set of attributes in another rel
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
If R1 and R2 are two relations or functions, then the result of R3 = R1 × R2 is the combination of tuples that are in R1 and R2. The product is associative and commutative. Degr
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
discuss the purpose of the concurrency control?
Explain the Natural join Natural join is a binary operator which is written as (R* S) in which R and S are relations. The effect of the natural join is the set of all combinati
What are the Objectives of object design After going through this unit, you could be able to: explain steps of object design; discuss algorithms that reduce costs;
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