The Full Stack Web Development - Part 1 - Selecting Data

The video tutorial covers the basics of SQL select queries, starting with selecting all data from a table and moving on to selecting specific columns. It explains how to use the WHERE clause to apply conditions to queries and introduces advanced SQL operators like BETWEEN, LIKE, and IN for more complex queries. The tutorial demonstrates pattern matching with the LIKE operator and how to simplify queries using the IN operator for multiple values.

What does the '*' symbol represent in a SQL SELECT query?

• All columns

• A specific table

• A specific column

• A single row

How can you filter results to only show customers from a specific state?

• Using the FROM clause

• Using the WHERE clause

• Using the ORDER BY clause

• Using the SELECT clause

Which operator would you use to find records with an ID greater than a certain number?

• GREATER THAN

• LESS THAN

• NOT EQUAL

• EQUALS

What does the BETWEEN operator do in a SQL query?

• Joins two tables

• Selects all columns

• Filters results within a range

• Sorts results in ascending order

How can you find all cities that start with the letter 'B'?

• Using the LIKE operator with 'B%'

• Using the IN operator

• Using the BETWEEN operator

• Using the ORDER BY clause

What is the purpose of the '%' symbol in a LIKE query?

• To indicate a column name

• To represent a wildcard for any sequence of characters

• To specify a table name

• To represent a single character

Which SQL clause allows you to specify multiple possible values for a column?

• IN

• LIKE

• BETWEEN

• WHERE