SQL SYNTAX

Statement


Syntax

AND / OR


SELECT column_name(s)
FROM table_name
WHERE condition
AND|OR condition

ALTER TABLE (add column)


ALTER TABLE table_name
ADD column_name datatype

ALTER TABLE (drop column)


ALTER TABLE table_name
DROP COLUMN column_name

AS (alias for column)


SELECT column_name AS column_alias
FROM table_name

AS (alias for table)


SELECT column_name
FROM table_name AS table_alias

BETWEEN


SELECT column_name(s)
FROM table_name
WHERE column_name
BETWEEN value1 AND value2

CREATE DATABASE


CREATE DATABASE database_name

CREATE INDEX


CREATE INDEX index_name
ON table_name (column_name)

CREATE TABLE


CREATE TABLE table_name
(
column_name1 data_type,
column_name2 data_type,
.......
)

CREATE UNIQUE INDEX


CREATE UNIQUE INDEX index_name
ON table_name (column_name)

CREATE VIEW


CREATE VIEW view_name AS
SELECT column_name(s)
FROM table_name
WHERE condition

DELETE FROM


DELETE FROM table_name
(Note: Deletes the entire table!!)

or

DELETE FROM table_name
WHERE condition

DROP DATABASE


DROP DATABASE database_name

DROP INDEX


DROP INDEX table_name.index_name

DROP TABLE


DROP TABLE table_name

GROUP BY


SELECT column_name1,SUM(column_name2)
FROM table_name
GROUP BY column_name1

HAVING


SELECT column_name1,SUM(column_name2)
FROM table_name
GROUP BY column_name1
HAVING SUM(column_name2) condition value

IN


SELECT column_name(s)
FROM table_name
WHERE column_name
IN (value1,value2,..)

INSERT INTO


INSERT INTO table_name
VALUES (value1, value2,....)

or

INSERT INTO table_name
(column_name1, column_name2,...)
VALUES (value1, value2,....)

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


SELECT column_name(s)
FROM table_name

SELECT *


SELECT *
FROM table_name

SELECT DISTINCT


SELECT DISTINCT column_name(s)
FROM table_name

SELECT INTO
(used to create backup copies of tables)


SELECT *
INTO new_table_name
FROM original_table_name

or

SELECT column_name(s)
INTO new_table_name
FROM original_table_name

TRUNCATE TABLE
(deletes only the data inside the table)


TRUNCATE TABLE table_name

UPDATE


UPDATE table_name
SET column_name=new_value
[, column_name=new_value]
WHERE column_name=some_value

WHERE


SELECT column_name(s)
FROM table_name
WHERE condition