Quiz on Counting, Sorting, and Limiting Results
Explore how to count records, sort data, and limit query results in SQL. This quiz helps reinforce your ability to efficiently manage and analyze database records using common SQL commands and techniques.
We'll cover the following...
We'll cover the following...
1.
Create the items table. Items should have
item_id as the primary key (integer, not null and auto incremented),
a description of type varchar with maximum length of 255, and the rate of
type numeric with 5 digits before and 2 digits after decimal point. Both description and rate should not be null.
Show Answer
1 / 7
...