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SQL Tutorial

SQL HOME SQL Prologue SQL Syntax SQL Click SQL Select Distinct SQL Where SQL Order By SQL And SQL Alternatively SQL Not SQL Deploy Into SQL Null Values SQL Download SQL Delete SQL Choice Top SQL Aggregate Functions SQL Min and Max SQL Count SQL Sum SQL Avg SQL Like SQL Wildcards SQL At SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Enter SQL Full Join SQL Self Join SQL Union SQL Group By SQL Having SQL Extant SQL Any, All SQL Set Into SQL Insert Into Click SQL Case SQL Null Functions SQL Stored Procedures SQL Comments SQL Operators

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ADD ADD CONSTRAINT ALL ALTER ALTER COLUMN ALTER TABLE AND ANY AS ASC BACKUP DATABASE BETWEEN CASE CHECK COLUMN CONSTRAINT CREATE CREATE DATABASE CREATE INDEX CREATE CONVERSELY REPLACE VIEW CREATE TABLE CREATE PROCEDURE CREATE UNIQUE SEARCH CREATE VIEWED DATABASE DEFAULT DELETE DESC DISTINCT DROP DROPPED COLUMN DROP REQUIREMENT DROP DATABASE DROP DEFAULT DRIP INDEX DROP TABLE DROP VIEW EXEC EXISTS FOREIGN KEY FROM FULL OUTER JOIN GROUP BY HAVING IN INDEX INWARDS JOIN INSERT AT INSERT INTO CLICK IS NULL EXISTS NOT NULL JOIN LEFT JOIN LIKE LIMIT DOESN NOT NULL OR CLICK BY OUTDOORS JOIN PRIMARY KEY PROCEDURE RIGHT JOIN ROWNUM SELECT SELECT DISTINCT SELECT INTO SELECT TOP SET CHART SUMMIT TRUNCATE TABLE UNION UNION ALL ONCE UPDATE VALUES VIEW WHEREABOUTS
MySQL Functions
String Duties: ASCII CHAR_LENGTH CHARACTER_LENGTH CONCAT CONCAT_WS FIELD FIND_IN_SET FORMAT INSERT MUSIKINSTRUMENT LCASE LEFT LENGTH FINDING REDUCED LPAD LTRIM MID POSITION REPEAT REPLACEMENT REVERSE PROPER RPAD RTRIM SPACE STRCMP SUBSTR SUBSTRING SUBSTRING_INDEX TRIM UCASE UPPER Figure Functions: BAUCH ACOS ASIN ATAN ATAN2 AVG CEIL CEILING COS CRIB COUNT COURSE DIV EXP FLOOR BIG LEAST LN LOG LOG10 LOG2 MAX MIN MOD PI POW POWER RADIANS RAND ROUND LOG SIN SQRT WHOLE TAN TRUNCATE Scheduled 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 MINUS MONTH MONTHNAME IMMEDIATELY PERIOD_ADD PERIOD_DIFF REGION SECOND SEC_TO_TIME STR_TO_DATE SUBDATE SUBTIME SYSDATE TIME TIME_FORMAT TIME_TO_SEC TIMEDIFF TIMESTAMP TO_DAYS WORKWEEK WEEKDAY WEEKOFYEAR YEAR YEARWEEK Advanced Functions: BINS BINARY CASE CAST UNITE CONNECTION_ID CONV CONVERT CURRENT_USER DATABASE WHILE IFNULL ISNULL LAST_INSERT_ID NULLIF SESSION_USER SYSTEM_USER USER VERSION
SQL Servers Functions
String Features: ASCII CHAR CHARINDEX CONCAT Concat with + CONCAT_WS DATALENGTH DIFFERENCE FORMAT LEFT LEN LOWER LTRIM NCHAR PATINDEX QUOTENAME REPLACE REPLICATE REVERSE RIGHT RTRIM SOUNDEX DISTANCE STR STUFF SUBSTRING TRANSLATE TRIM UNICODE UPPER Figure Functions: ABS ACOS ASIN ATAN ATN2 AVG CEILING COUNT COS COT DEGREES EXP SHELF LOG LOG10 MAX MIN PIT POWER RADIANT FRINGE ROUND SIGN SIN SQRT SQUARE SUM TAN Date Functions: CURRENT_TIMESTAMP DATEADD DATEDIFF DATEFROMPARTS DATENAME DATEPART DAY GETDATE GETUTCDATE ISDATE MONTH SYSDATETIME DATE Advanced Functions CAST COALESCE CONVERT CURRENT_USER IIF ISNULL ISNUMERIC NULLIF SESSION_USER SESSIONPROPERTY SYSTEM_USER USER_NAME
ML Access Functions
String Actions: Asc Chr Concat for & CurDir Format InStr InstrRev LCase Left Len LTrim Mid Replace Well RTrim Space Split Str StrComp StrConv StrReverse Edge UCase Numeric Functions: Abs Atn Avg Cos Count Exp Fix Format Int Max Min Randomize Rnd Round Sgn Sqr Sum Val Target Functions: Dating DateAdd DateDiff DatePart DateSerial DateValue Day Font Hour Minute Month MonthName Instantly Back Time TimeSerial TimeValue Weekday WeekdayName Year Extra Functions: CurrentUser Environ IsDate IsNull IsNumeric
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SQL Statement Syntax
AND / OTHERWISE SELECT column_name(s)
FROM table_name
FIND condition
AND|OR condition
CUSTOMIZE TABLE ALTER TABLE table_name
ADD column_name datatype

with

CUSTOMIZE GRAPHIC table_name
DROP COLUMN column_name
AS (alias) SET column_name AS column_alias
FROM table_name

or

SELECT column_name
UPON table_name  AS table_alias
BETWEEN SELECT column_name(s)
FROM table_name
WHERE column_name
BETW value1 AND value2
CREATE DATABASE CREATE DATABASE database_name
CREATE TABLE CREATE TABLE table_name
(
column_name1 data_type,
column_name2 data_type,
column_name3 data_type,
...
)
ESTABLISH INDEX CREATE INDEX index_name
ON table_name (column_name)

or

CREATE UNIQUE INDEX index_name
ON table_name (column_name)
CREATE LOOK CREATE CLICK view_name AS
SELECT column_name(s)
FROM table_name
WHERE condition
CLEAN DELETE FROM table_name
LOCUS some_column=some_value

or

DELETE UPON table_name
(Remark: Deletes the ganz table!!)

DELETE * OUT table_name
(Remarks: Deletion the entire table!!)
DROPPING DATABASE DROP BASE database_name
DROP BOOKS DROP INDEX table_name.index_name (SQL Server)
DROP INDEX index_name ON table_name (MS Access)
DROP INDEX index_name (DB2/Oracle)
ALTER TABLE table_name
DROP INDEX index_name (MySQL)
DROP TABLE DROP POSTPONE table_name
EXISTS IF EXISTS (SELECT * FROM table_name WHERE id = ?)
BEGIN
--do where needs to subsist done if exists
END
ELSE
START
--do what demands up be through if not
CONCLUDE
GROUP AT SET column_name, aggregate_function(column_name)
FROM table_name
SHOW column_name operator value
BUNCH BY column_name
HAVING CHOICE column_name, aggregate_function(column_name)
FROM table_name
WHEREVER column_name operator value
GROUPS BY column_name
HAVING aggregate_function(column_name) operator value
IN SELECT column_name(s)
FROM table_name
WHERE column_name
IN (value1,value2,..)
INJECT INTO INSERT INTO table_name
VALUES (value1, value2, value3,....)

or

INSERT INTO table_name
(column1, column2, column3,...)
VALUES (value1, value2, value3,....)
DINNER JOIN SELECTED column_name(s)
FROM table_name1
INWARDS JOIN table_name2
ON table_name1.column_name=table_name2.column_name
LEFT JOIN SELECT column_name(s)
FROM table_name1
LEFT JOIN table_name2
ON table_name1.column_name=table_name2.column_name
RIGHT JOIN CHOOSE column_name(s)
FROM table_name1
RIGHT JOIN table_name2
ON table_name1.column_name=table_name2.column_name
FULL JOIN SELECT column_name(s)
FROM table_name1
FULL-SIZED PARTICIPATE table_name2
ON table_name1.column_name=table_name2.column_name
LIKE SELECT column_name(s)
FROM table_name
WHERE column_name LIKE pattern
ORDER BY SELECT column_name(s)
FROM table_name
ORDER BY column_name [ASC|DESC]
SELECT DIAL column_name(s)
FROM table_name
PLEASE * SELECT *
FROM table_name
SET DISTINCT SELECT DISTINCT column_name(s)
FROM table_name
SELECT INTO SELECT *
INTO new_table_name [IN externaldatabase]
AFTER old_table_name

or

SELECT column_name(s)
INTO new_table_name [IN externaldatabase]
FROM old_table_name
SELECT TOP SELECT BACK number|percent column_name(s)
FROM table_name
TRUNCATE TABLE TRUNCATE DINNER table_name
UNION SELECT column_name(s) FROM table_name1
LEAGUE
PLEASE column_name(s) FROM table_name2
UNION WHOLE SELECT column_name(s) FOR table_name1
UNION ALL
SELECT column_name(s) FROM table_name2
UPDATE UPDATE table_name
SET column1=value, column2=value,...
WHERE some_column=some_value
SOMEWHERE SELECT column_name(s)
FROM table_name
WHERE column_name operator value

Origin : https://aaa161.com/sql/sql_quickref.asp


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