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ADD ADD CONSTRAINT ALTER ALTER COLUMN ALTER TABLE ALL AND ANY AS ASC BACKUP DATABASE BETWEEN CASE CHECK COLUMN CONSTRAINT CREATE CREATE DATABASE CREATE INDEX CREATE OR REPLACE VIEW CREATE TABLE CREATE PROCEDURE CREATE UNIQUE INDEX CREATE VIEW DATABASE DEFAULT DELETE DESC DISTINCT DROP DROP COLUMN DROP CONSTRAINT DROP DATABASE DROP DEFAULT DROP INDEX DROP TABLE DROP VIEW EXEC EXISTS FOREIGN KEY FROM FULL OUTER JOIN GROUP BY HAVING IN INDEX INNER JOIN INSERT INTO INSERT INTO SELECT IS NULL IS NOT NULL JOIN LEFT JOIN LIKE LIMIT NOT NOT NULL OR ORDER BY OUTER JOIN PRIMARY KEY PROCEDURE RIGHT JOIN ROWNUM SELECT SELECT DISTINCT SELECT INTO SELECT TOP SET TABLE TOP TRUNCATE TABLE UNION UNION ALL UNIQUE UPDATE VALUES VIEW WHERE
MySQL Functions
String Functions: ASCII CHAR_LENGTH CHARACTER_LENGTH CONCAT CONCAT_WS FIELD FIND_IN_SET FORMAT INSERT INSTR LCASE LEFT LENGTH LOCATE LOWER LPAD LTRIM MID POSITION REPEAT REPLACE REVERSE RIGHT RPAD RTRIM SPACE STRCMP SUBSTR SUBSTRING SUBSTRING_INDEX TRIM UCASE UPPER Numeric Functions: ABS ACOS ASIN ATAN ATAN2 AVG CEIL CEILING COS COT COUNT DEGREES DIV EXP FLOOR GREATEST LEAST LN LOG LOG10 LOG2 MAX MIN MOD PI POW POWER RADIANS RAND ROUND SIGN SIN SQRT SUM TAN TRUNCATE Date Functions: ADDDATE ADDTIME CURDATE CURRENT_DATE CURRENT_TIME CURRENT_TIMESTAMP CURTIME DATE DATEDIFF DATE_ADD DATE_FORMAT DATE_SUB DAY DAYNAME DAYOFMONTH DAYOFWEEK DAYOFYEAR EXTRACT FROM_DAYS HOUR LAST_DAY LOCALTIME LOCALTIMESTAMP MAKEDATE MAKETIME MICROSECOND MINUTE MONTH MONTHNAME NOW PERIOD_ADD PERIOD_DIFF QUARTER SECOND SEC_TO_TIME STR_TO_DATE SUBDATE SUBTIME SYSDATE TIME TIME_FORMAT TIME_TO_SEC TIMEDIFF TIMESTAMP TO_DAYS WEEK WEEKDAY WEEKOFYEAR YEAR YEARWEEK Advanced Functions: BIN BINARY CASE CAST COALESCE CONNECTION_ID CONV CONVERT CURRENT_USER DATABASE IF IFNULL ISNULL LAST_INSERT_ID NULLIF SESSION_USER SYSTEM_USER USER VERSION
SQL Server Functions
String Functions: ASCII CHAR CHARINDEX CONCAT Concat with + CONCAT_WS DATALENGTH DIFFERENCE FORMAT LEFT LEN LOWER LTRIM NCHAR PATINDEX QUOTENAME REPLACE REPLICATE REVERSE RIGHT RTRIM SOUNDEX SPACE STR STUFF SUBSTRING TRANSLATE TRIM UNICODE UPPER Numeric Functions: ABS ACOS ASIN ATAN ATN2 AVG CEILING COUNT COS COT DEGREES EXP FLOOR LOG LOG10 MAX MIN PI POWER RADIANS RAND ROUND SIGN SIN SQRT SQUARE SUM TAN Date Functions: CURRENT_TIMESTAMP DATEADD DATEDIFF DATEFROMPARTS DATENAME DATEPART DAY GETDATE GETUTCDATE ISDATE MONTH SYSDATETIME YEAR Advanced Functions CAST COALESCE CONVERT CURRENT_USER IIF ISNULL ISNUMERIC NULLIF SESSION_USER SESSIONPROPERTY SYSTEM_USER USER_NAME
MS Access Functions
String Functions: Asc Chr Concat with & CurDir Format InStr InstrRev LCase Left Len LTrim Mid Replace Right RTrim Space Split Str StrComp StrConv StrReverse Trim UCase Numeric Functions: Abs Atn Avg Cos Count Exp Fix Format Int Max Min Randomize Rnd Round Sgn Sqr Sum Val Date Functions: Date DateAdd DateDiff DatePart DateSerial DateValue Day Format Hour Minute Month MonthName Now Second Time TimeSerial TimeValue Weekday WeekdayName Year Other Functions: CurrentUser Environ IsDate IsNull IsNumeric
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MS Access Functions

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MS Access has many built-in functions.

This reference contains the string, numeric, and date functions in MS Access.

MS Access String Functions

Function Description
Asc Returns the ASCII value for the specific character
Chr Returns the character for the specified ASCII number code
Concat with & Adds two or more strings together
CurDir Returns the full path for a specified drive
Format Formats a value with the specified format
InStr Get the position of the first occurrence of a string in another
InstrRev Get the position of the first occurrence of a string in another, from the end of string
LCase Converts a string to lower-case
Left Extracts a number of characters from a string (starting from the left)
Len Returns the length of a string
LTrim Removes leading spaces from a string
Mid Extract some characters from a string (starting at any position)
Replace Replaces a substring within a string, with another substring, a specified number of times
Right Extracts a number of characters from a string (starting from the right)
RTrim Removes trailing spaces from a string
Space Returns a string of the specified number of space characters
Split Split a string into an array of substrings
Str Returns a number as string
StrComp Compares two strings
StrConv Returns a converted string
StrReverse Reverses a string and returns the result
Trim Removes both leading and trailing spaces from a string
UCase Converts a string to upper-case

MS Access Numeric Functions

Function Description
Abs Returns the absolute value of a number
Atn Returns the arc tangent of a number
Avg Returns the average value of an expression
Cos Returns the cosine of an angle
Count Returns the number of records returned by a select query
Exp Returns e raised to the power of a specified number
Fix Returns the integer part of a number
Format Formats a numeric value with the specified format
Int Returns the integer part of a number
Max Returns the maximum value in a set of values
Min Returns the minimum value in a set of values
Randomize Initializes the random number generator (used by Rnd()) with a seed
Rnd Returns a random number
Round Rounds a number to a specified number of decimal places
Sgn Returns the sign of a number
Sqr Returns the square root of a number
Sum Calculates the sum of a set of values
Val Reads a string and returns the numbers found in the string

MS Access Date Functions

Function Description
Date Returns the current system date
DateAdd Adds a time/date interval to a date and then returns the date
DateDiff Returns the difference between two dates
DatePart Returns a specified part of a date (as an integer)
DateSerial Returns a date from the specified parts (year, month, and day values)
DateValue Returns a date based on a string
Day Returns the day of the month for a given date
Format Formats a date value with the specified format
Hour Returns the hour part of a time/datetime
Minute Returns the minute part of a time/datetime
Month Returns the month part of a given date
MonthName Returns the name of the month based on a number
Now Returns the current date and time based on the computer's system date and time
Second Returns the second part of a time/datetime
Time Returns the current system time
TimeSerial Returns a time from the specified parts (hour, minute, and second value)
TimeValue Returns a time based on a string
Weekday Returns the weekday number for a given date
WeekdayName Returns the weekday name based on a number
Year Returns the year part of a given date

MS Access Some Other Functions

Function Description
CurrentUser Returns the name of the current database user
Environ Returns a string that contains the value of an operating system environment variable
IsDate Check whether an expression can be converted to a date
IsNull Check whether an expression contains Null (no data)
IsNumeric Check whether an expression is a valid number
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