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List the string operations supported by SQL?
1) Pattern matching Operation
2) Concatenation
3) Extracting character strings
4) Converting among uppercase and lower case letters.
Give two profit of Reuse of Code. Reusing the implementation . Place existing class directly inside a new class. The new class can be made up of any number and type of the oth
Ancestry database records information about family trees . Following information is recorded about each person: FIRSTNAME first name SURNAME surname MNAME maiden name (if
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
how the string works as keyword?
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
a set of possible data value of an attribute is called??
Mention the purpose of SID and SOD lines SID (Serial input data line): It is an input line by which the microprocessor accepts serial data. SOD (Serial output data line)
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
Consider a relation s over the attributes A and B with the following characteristics: 5,000 tuples with 10 tuples per page A 2-level B+ tree index on attribute
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