Bugl — code interview practice that feels like a game

Loading lesson path

Flash cards

Review the key moves

1/4

Core idea

What is the main idea behind SQL Server LEFT() Function?

Lesson checks

Short Mimo-style checks built from this lesson's code, terms, and sequence.

1Quick choice

Which statement best captures the main point of this lesson?

2Fill blank

Complete the missing token from the example code.

___ LEFT('SQL Tutorial', 3) AS ExtractString;

3Order

Put the learning moves in the order that makes the concept easiest to apply.

The LEFT() function extracts a number of characters from a string (starting from left).

Definition and Usage

SQL Server LEFT() Function

Example

SELECT LEFT('SQL Tutorial', 3) AS ExtractString;

The LEFT() function extracts a number of characters from a string (starting from left).

Syntax

LEFT(
string
,
number_of_chars
)

Parameter	Description
string	Required. The string to extract from
number_of_chars	Required. The number of characters to extract. If the number exceeds the number of characters in string , it returns string

Works in:	SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse