Examlex
The result for SELECT statements in SQL is a relation unless the result is a single number.
Social Problem
An issue that influences and is opposed by a considerable number of individuals within a society and requires collective action to solve.
Research Topic
A research topic is the subject or area of interest that guides the direction of a scholarly study or investigation.
Overgeneralization
The cognitive bias of applying a general rule too broadly, ignoring exceptions or variations.
Working Class
A social group consisting of people who are employed in low-paying wage jobs, often involving manual or industrial labor, and lacking significant economic or political power.
Q7: Usually,a database table containing both rows and
Q14: To deal with historical data values,dimensional databases
Q22: The use of surrogate keys usually complicates
Q43: What requirements must a two-dimensional table satisfy
Q44: Stored procedures have the advantage of greater
Q46: In XML,a document author can only use
Q66: What are the basic steps of the
Q68: A new MySQL Server database is known
Q81: In Microsoft Access,standard SQL table creation syntax
Q95: A data warehouse database differs from an