MySQL -Tutorial

MySQL-HOME MySQL-Einführung MySQL-RDBMS

MySQL- SQL

MySQL-SQL MySQL-SELECT MySQL WO MySQL UND, ODER, NICHT MySQL ORDER BY MySQL EINFÜGEN IN MySQL-NULL-Werte MySQL-UPDATE MySQL LÖSCHEN MySQL-GRENZE MySQL-MIN und -MAX MySQL ANZAHL, DURCHSCHNITT, SUMME MySQL WIE MySQL-Wildcards MySQL-EIN MySQL ZWISCHEN MySQL-Aliase MySQL-Joins MySQL INNER JOIN MySQL-LINKSVERBINDUNG MySQL RIGHT JOIN MySQL CROSS JOIN MySQL-Self-Join MySQL-UNION MySQL-GRUPPE NACH MySQL HABEN MySQL EXISTIERT MySQL ALLE, ALLE MySQL EINFÜGEN AUSWÄHLEN MySQL-FALL MySQL-Null-Funktionen MySQL-Kommentare MySQL-Operatoren

MySQL- Datenbank

MySQL-DB erstellen MySQL-Drop-DB MySQL-Tabelle erstellen MySQL-Drop-Tabelle MySQL-Änderungstabelle MySQL-Einschränkungen MySQL nicht Null MySQL-einzigartig MySQL-Primärschlüssel MySQL-Fremdschlüssel MySQL-Check MySQL-Standard MySQL-Index erstellen Automatisches MySQL-Inkrement MySQL-Daten MySQL-Ansichten

MySQL- Referenzen

MySQL-Datentypen MySQL-Funktionen

MySQL- Beispiele

MySQL-Beispiele MySQL-Quiz MySQL-Übungen

MySQL- Operatoren


MySQL-Arithmetikoperatoren

Operator Description Example
+ Add
- Subtract
* Multiply
/ Divide
% Modulo

Bitweise MySQL-Operatoren

Operator Description
& Bitwise AND
| Bitwise OR
^ Bitwise exclusive OR

MySQL-Vergleichsoperatoren

Operator Description Example
= Equal to
> Greater than
< Less than
>= Greater than or equal to
<= Less than or equal to
<> Not equal to


Verbundoperatoren von MySQL

Operator Description
+= Add equals
-= Subtract equals
*= Multiply equals
/= Divide equals
%= Modulo equals
&= Bitwise AND equals
^-= Bitwise exclusive equals
|*= Bitwise OR equals

Logische MySQL-Operatoren

Operator Description Example
ALL TRUE if all of the subquery values meet the condition
AND TRUE if all the conditions separated by AND is TRUE
ANY TRUE if any of the subquery values meet the condition
BETWEEN TRUE if the operand is within the range of comparisons
EXISTS TRUE if the subquery returns one or more records
IN TRUE if the operand is equal to one of a list of expressions
LIKE TRUE if the operand matches a pattern
NOT Displays a record if the condition(s) is NOT TRUE
OR TRUE if any of the conditions separated by OR is TRUE
SOME TRUE if any of the subquery values meet the condition