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SQL Tutorial

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String Functions:ASCIICHAR_LENGTHCHARACTER_LENGTHCONCATCONCAT_WSFIELDFIND_IN_SETFORMATINSERTINSTRLCASELEFTLENGTHLOCATELOWERLPADLTRIMMIDPOSITIONREPEATREPLACEREVERSERIGHTRPADRTRIMSPACESTRCMPSUBSTRSUBSTRINGSUBSTRING_INDEXTRIMUCASEUPPERNumeric Functions:ABSACOSASINATANATAN2AVGCEILCEILINGCOSCOTCOUNTDEGREESDIVEXPFLOORGREATESTLEASTLNLOGLOG10LOG2MAXMINMODPIPOWPOWERRADIANSRANDROUNDSIGNSINSQRTSUMTANTRUNCATEDate Functions:ADDDATEADDTIMECURDATECURRENT_DATECURRENT_TIMECURRENT_TIMESTAMPCURTIMEDATEDATEDIFFDATE_ADDDATE_FORMATDATE_SUBDAYDAYNAMEDAYOFMONTHDAYOFWEEKDAYOFYEAREXTRACTFROM_DAYSHOURLAST_DAYLOCALTIMELOCALTIMESTAMPMAKEDATEMAKETIMEMICROSECONDMINUTEMONTHMONTHNAMENOWPERIOD_ADDPERIOD_DIFFQUARTERSECONDSEC_TO_TIMESTR_TO_DATESUBDATESUBTIMESYSDATETIMETIME_FORMATTIME_TO_SECTIMEDIFFTIMESTAMPTO_DAYSWEEKWEEKDAYWEEKOFYEARYEARYEARWEEKAdvanced Functions:BINBINARYCASECASTCOALESCECONNECTION_IDCONVCONVERTCURRENT_USERDATABASEIFIFNULLISNULLLAST_INSERT_IDNULLIFSESSION_USERSYSTEM_USERUSERVERSION
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MySQLBINARY Function

Example

Convert a value to a binary string:

SELECT BINARY "W3Schools.com";
Try it Yourself »

Definition and Usage

The BINARY function converts a value to a binary string.

This function is equivalent to usingCAST(value AS BINARY).

Syntax

BINARY value

Parameter Values

ParameterDescription
valueRequired. The value to convert

Technical Details

Works in:From MySQL 4.0

More Examples

Example

Here MySQL performs a character-by-character comparison of  "HELLO" and "hello" and return 1 (because on a character-by-character basis, they are equivalent):

SELECT "HELLO" = "hello";
Try it Yourself »

Example

Here MySQL performs a byte-by-byte comparison of  "HELLO" and "hello" and return 0 (because on a byte-by-byte basis, they are NOT equivalent):

SELECT BINARY "HELLO" = "hello";
Try it Yourself »


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