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SQL -zelfstudie

SQL HOME SQL-intro SQL-syntaxis SQL-selectie SQL Select Distinct SQL waar SQL en, of, niet SQL-bestelling op SQL invoegen in SQL-nulwaarden SQL-update SQL verwijderen SQL Selecteer Top SQL Min en Max Aantal SQL, Gem, Som SQL Vind ik leuk SQL-jokertekens SQL In SQL Tussen SQL-aliassen SQL-joins SQL Inner Join SQL Left Join SQL juiste join Volledige deelname aan SQL Zelf lid worden van SQL SQL-unie SQL Groeperen op SQL hebben SQL bestaat SQL Alle, Alle SQL Selecteren in SQL invoegen in selecteren SQL-geval SQL Null-functies Op SQL opgeslagen procedures SQL-opmerkingen SQL-operators

SQL- database

SQL creëren DB SQL Drop-DB SQL back-up DB SQL-tabel maken SQL-droptabel SQL-wijzigingstabel SQL-beperkingen SQL niet null SQL Uniek Primaire SQL-sleutel SQL externe sleutel SQL-controle SQL-standaard SQL-index Automatische SQL-verhoging SQL-datums SQL-weergaven SQL injectie SQL-hosting SQL-gegevenstypen

SQL- verwijzingen

SQL-trefwoorden
TOEVOEGEN BEPERKING TOEVOEGEN WIJZIGEN WIJZIG KOLOM WIJZIG TABEL ALLEMAAL EN IEDER ALS ASC BACK-UPDATABASE TUSSEN GEVAL CONTROLEREN KOLOM DWANG CREËREN MAAK DATABASE MAAK INDEX AANBEELDING MAKEN OF VERVANGEN 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-functies
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-functies
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-functies
String-functies: Asc Chr samenvoegen met & CurDir Formaat InStr InstrRev LCase Links Len LTrim midden Vervangen Rechts RTrim Ruimte Splitsen str StrComp StrConv StrReverse Trimmen UCase Numerieke functies: Buikspieren atn Gem Want Graaf Exp Repareren Formaat Int Max min Randomiseren Rnd Ronde sgn Sqr Som vali Datum Functies: Datum DatumToevoegen Datumverschil Datumdeel DatumSerie DatumWaarde Dag Formaat Uur Minuut Maand Maandnaam nutsvoorzieningen Seconde Tijd TijdSerial Tijdswaarde Weekdag WeekdagNaam Jaar Andere functies: Huidige gebruiker Over IsDatum Is niets Is Numeriek
Snelle SQL-referentie

SQL- voorbeelden

SQL-voorbeelden SQL-quiz SQL-oefeningen SQL-certificaat

MS Access Format() Functie

❮MS Access-functies

Voorbeeld

Formatteer de kolom "Prijs" naar Valuta:

SELECT Format(Price, "Currency") AS FormattedPrice
FROM Products;

Definitie en gebruik

De functie Format() maakt een waarde op met het opgegeven formaat.

Syntaxis

Format(value, format)

Parameterwaarden

Parameter Description
value Required. The string to format
format Optional. The format to to use.
Format Description
General Number Indicates a number, without thousand separators
Currency Indicates currency, with thousand separators and two decimal places
Fixed Shows minimum one digit to the left of the decimal place and two digits to the right of the decimal place
Standard Shows the thousand separators + minimum one digit to the left of the decimal place, and two digits to the right of the decimal place
Percent Shows a percent value (with percent sign) and two digits to the right of the decimal place
Scientific Indicates scientific notation
Yes/No Shows No if value = 0 and Yes if value <> 0
True/False Shows False if value = 0 and True if value <> 0
On/Off Shows Off if value = 0 and On if value <> 0
General Date Shows value as a date based on the system settings
Long Date Shows value as a date based on the system's long date settings
Medium Date Shows value as a date based on the system's medium date settings
Short Date Shows value as a date based on the system's short date settings
Long Time Shows value as a date based on the system's long time settings
Medium Time Shows value as a date based on the system's medium time settings
Short Time Shows value as a date based on the system's short time settings

Technische details

Werkt in: Van Access 2000

❮MS Access-functies