Examlex
SQL is a data sublanguage,not a complete programming language.
Outermost Shell
The last or farthest layer of an object or entity, often used to describe the external layer of atoms in chemistry or celestial bodies in astronomy.
Neutrons
Subatomic particles found in the nucleus of an atom; they are electrically neutral and along with protons, contribute to the atomic mass.
Ionic Bond
Chemical bond in which ions are attracted to one another by opposite charges.
Transferred
The act of moving or passing something from one place, person, or thing to another.
Q4: Two-phase locking can be used to ensure
Q21: Distinguish between entity identifiers and keys.
Q32: Database objects are displayed in the Object
Q33: To run an SQL script,click the Execute
Q37: Personal DBMS products,such as Microsoft Access,create a
Q55: Explain the process of using optimistic locking.
Q61: How is minimum cardinality expressed in crow's
Q66: Briefly explain the strategy of two-phased locking.
Q76: SQL views are used for all except
Q78: SQL views can be used to hide