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MySQL Tutorial

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MySQL SQL

MySQL SQL MySQL SELECT MySQL WHERE MySQL AND, OR, NOT MySQL ORDER BY MySQL INSERT INTO MySQL NULL Values MySQL UPDATE MySQL DELETE MySQL LIMIT MySQL MIN and MAX MySQL COUNT, AVG, SUM MySQL LIKE MySQL Wildcards MySQL IN MySQL BETWEEN MySQL Aliases MySQL Joins MySQL INNER JOIN MySQL LEFT JOIN MySQL RIGHT JOIN MySQL CROSS JOIN MySQL Self Join MySQL UNION MySQL UNION ALL MySQL GROUP BY MySQL HAVING MySQL EXISTS MySQL ANY, ALL MySQL INSERT SELECT MySQL CASE MySQL Null Functions MySQL Comments MySQL Operators

MySQL Database

MySQL Create DB MySQL Drop DB MySQL Create Table MySQL Drop Table MySQL Alter Table MySQL Constraints MySQL Not Null MySQL Unique MySQL Primary Key MySQL Foreign Key MySQL Check MySQL Default MySQL Create Index MySQL Auto Increment MySQL Dates MySQL Views

MySQL References

MySQL Data Types 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

MySQL Examples

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MySQL Examples

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MySQL SELECT

SELECT Column SELECT * SELECT DISTINCT SELECT COUNT(DISTINCT column_name)

Examples Explained

MySQL WHERE

WHERE Clause Text Fields vs. Numeric Fields

Examples Explained

MySQL AND, OR and NOT

AND OR Another OR NOT Combining AND and OR Combining AND and NOT

Examples Explained

MySQL ORDER BY

ORDER BY ORDER BY DESC ORDER BY Several Columns ORDER BY Several Columns + ASC and DESC

Examples Explained

MySQL NULL Values

IS NULL Operator IS NOT NULL Operator

Examples Explained

MySQL LIMIT

LIMIT LIMIT with WHERE

Examples Explained

MySQL MIN() and MAX()

MIN() MAX()

Examples Explained

MySQL COUNT(), AVG() and SUM()

COUNT() AVG() SUM()

Examples Explained

MySQL LIKE

Select all table rows starting with "a" Select all table rows ending with "a" Select all table rows that have "or" in any position Select all table rows that have "r" in the second position Select all table rows that starts with "a" and ends with "o" Select all table rows that starts with "a" and are at least 3 characters in length Select all table rows that does NOT start with "a"

Examples Explained

MySQL Wildcards

The % Wildcard The _ Wildcard

Examples Explained

MySQL IN

IN NOT IN IN with SELECT

Examples Explained

MySQL BETWEEN

BETWEEN NOT BETWEEN BETWEEN with IN BETWEEN Text Values NOT BETWEEN Text Values BETWEEN Date Values

Examples Explained

MySQL Aliases

Alias for Columns Two Aliases An Alias that contains multiple columns Alias for Tables

Examples Explained

MySQL Joins

INNER JOIN - Join two tables INNER JOIN - Join three tables LEFT JOIN RIGHT JOIN CROSS JOIN Self Join

Examples Explained

MySQL UNION

UNION UNION ALL UNION with WHERE UNION ALL with WHERE

Examples Explained

MySQL GROUP BY

GROUP BY GROUP BY and ORDER BY GROUP BY with JOIN

Examples Explained

MySQL HAVING

HAVING and GROUP BY HAVING and ORDER BY HAVING and WHERE

Examples Explained

MySQL EXISTS

EXISTS - Price less than 20 EXISTS - Price equals 20

Example Explained

MySQL ANY and ALL

ANY - Example 1 ANY - Example 2 ANY - Example 3 ALL - Example 1 ALL - Example 2

Examples Explained

MySQL CASE

CASE 1 CASE 2

Examples Explained

MySQL Comments

Single line Comment Single line comment at the end of a line Single line comments to ignore statement Multi line comment Multi line comment to ignore many statement

Examples Explained

MySQL Database

MySQL Database tutorials can be found here:

MySQL Create DB MySQL Drop DB MySQL Create Table MySQL Drop Table MySQL Alter Table MySQL Constraints MySQL Not Null MySQL Unique MySQL Primary Key MySQL Foreign Key MySQL Check MySQL Default MySQL Create Index MySQL Auto Increment MySQL Dates MySQL Views


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