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Overview
Prototype

Example

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Overview

Returns the given number of characters from the start of the value.

Prototype

String Left(String text, Numeric length)

Example

Returns 'Hello'.

SELECT Left('Hello world', 5) as Result FROM Single

See also

Scalar Functions

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SQL :: Abs

Returns the absolute value of a number.

SQL :: Ceil

Returns the smallest whole number that is greater than or equal to the given number.

SQL :: Checksum

Returns a simple 16-bit checksum (0 to 65535) of the value's ASCII bytes. It is fast but not collision resistant; use Sha256 when the value must be unique.

SQL :: Coalesce

Returns the first of the given values that is not null. Accepts any number of values.

SQL :: Concat

Concatenates all of the given values that are not null. Accepts any number of values. The + operator can also be used to concatenate, but a null on either side of + makes the whole result null.

SQL :: DateAdd

Adds offset intervals to a date/time value and returns the new date/time. Use a negative offset to subtract. Interval names are not case-sensitive.

SQL :: DateDiff

Returns the number of intervals between two date/time values (date2 minus date1). See DateAdd for the interval names.

SQL :: DateTime

Returns the server's current local date and time, formatted with the optional .NET date/time format string.

SQL :: DateTimeUTC

Returns the current UTC date and time, formatted with the optional .NET date/time format string. See DateTime for the format specifiers.