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Why Like predicate used for?
LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
Objectives After reading this part, you should be able to: Modify, create, and delete database schema objects; Update database using SQL command; Retrieve data f
#question.what is mapping constraints and types?.
Explain the main advantages of DBMS over File Oriented System ?
what are the reasons having variable length records
how can apply joins on table
what is object-identity
Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
Probelm: (a) A distributed database (DDB) is a collection of multiple, logically interrelated databases which are physically distributed over a computer network" (i) Give a
how to implement mid square hashing?
Consider the subsequent relations for a database which keeps track of business trips of salespersons in a sales office: SALESPERSON (SSN, Name, start_year, Dept_no) TRIP (SSN, Fr
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