Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Database
»
Introduction to SQL
The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.
True
Correct Answer:
True
← Previous Question
Next Question→
More Questions from
Introduction to SQL
Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill.
SQL is a data sublanguage.
SUM, AVG, MIN, and MAX can only be used with numeric columns.
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.
The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters."
Indexes can usually be created for both primary and secondary keys.
Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function.
Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints.
DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement.
SELECT DISTINCT is used if a user wishes to see duplicate columns in a query.
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments