Precedence graphs help to find a

A. Serializable schedule.

B. Recoverable schedule.

C. Deadlock free schedule.

D. Cascadeless schedule.

You can do it
  1. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  2. A table can have only one
  3. Which of the following relational algebra operations do not require the participating tables to be union-compatible?
  4. A _____ is used to define overall design of the database
  5. _______ product was acquired by Informix, integrated into its RDBMS and introduced as the Informix Universal…
  6. The rule that a value of a foreign key must appear as a value of some specific table is called a
  7. Change Staff table by removing default of Assistant for position column
  8. HSAM stands for .
  9. A _____ is a logical unit of database processing that includes one or more data access operations that…
  10. Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum…
  11. It is an abstraction through which relationships are treated as higher level entities
  12. The _____ category includes storage media that can be operated on directly by the computers central…
  13. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  14. _____ First proposed the process of normalization.
  15. Which normal form is considered adequate for normal relational database design?
  16. A top-to-bottom relationship among the items in a database is established by a
  17. ______contains information that defines valid values that are stored in a column or data type.
  18. The language that requires a user to specify the data to be retrieved without specifying exactly how…
  19. SQL server stores index information in the _____system table
  20. Processed data is called _____
  21. The relational model is based on the concept that data is organized and stored in two-dimensional tables…
  22. In an ER diagram the ___shape specifies the Attibute and a ____ shape specifies the primary key attribute.
  23. In multiple granularity of locks SIX lock is compatible with
  24. Which of the following is not a property of transactions?
  25. Which two files are used during operation of the DBMS?
  26. Between DRAM and magnetic disk storage another form of memory, called ______ memory is becoming common…
  27. In a relational schema, each tuple is divided into fields called
  28. Which one is true statement :
  29. The clause alter table in SQL can be used to
  30. In an ER model,_____ is described in the database by storing its data.