SQL Statement | Syntax |
AND / OR | SELECT column_name(s) |
FROM table_name | |
WHERE condition | |
AND|OR condition | |
ALTER TABLE | ALTER TABLE table_name |
ADD column_name datatype | |
or | |
ALTER TABLE table_name | |
DROP COLUMN column_name | |
AS (alias) | SELECT column_name AS column_alias |
FROM table_name | |
or | |
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 TABLE | CREATE TABLE table_name |
( | |
column_name1 data_type, | |
column_name2 data_type, | |
column_name2 data_type, | |
... | |
) | |
CREATE INDEX | CREATE INDEX index_name |
ON table_name (column_name) | |
or | |
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 | DELETE FROM table_name |
WHERE some_column=some_value | |
or | |
DELETE FROM table_name | |
(Note: Deletes the entire table!!) | |
DELETE * FROM table_name | |
(Note: Deletes the entire table!!) | |
DROP DATABASE | DROP DATABASE database_name |
DROP INDEX | 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 TABLE table_name |
GROUP BY | SELECT column_name, aggregate_function(column_name) |
FROM table_name | |
WHERE column_name operator value | |
GROUP BY column_name | |
HAVING | SELECT column_name, aggregate_function(column_name) |
FROM table_name | |
WHERE column_name operator value | |
GROUP BY column_name | |
HAVING aggregate_function(column_name) operator value | |
IN | SELECT column_name(s) |
FROM table_name | |
WHERE column_name | |
IN (value1,value2,..) | |
INSERT INTO | INSERT INTO table_name |
VALUES (value1, value2, value3,....) | |
or | |
INSERT INTO table_name | |
(column1, column2, column3,...) | |
VALUES (value1, value2, value3,....) | |
INNER JOIN | SELECT column_name(s) |
FROM table_name1 | |
INNER 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 | SELECT 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 JOIN 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 | SELECT column_name(s) |
FROM table_name | |
SELECT * | SELECT * |
FROM table_name | |
SELECT DISTINCT | SELECT DISTINCT column_name(s) |
FROM table_name | |
SELECT INTO | SELECT * |
INTO new_table_name [IN externaldatabase] | |
FROM old_table_name | |
or | |
SELECT column_name(s) | |
INTO new_table_name [IN externaldatabase] | |
FROM old_table_name | |
SELECT TOP | SELECT TOP number|percent column_name(s) |
FROM table_name | |
TRUNCATE TABLE | TRUNCATE TABLE table_name |
UNION | SELECT column_name(s) FROM table_name1 |
UNION | |
SELECT column_name(s) FROM table_name2 | |
UNION ALL | SELECT column_name(s) FROM 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 | |
WHERE | SELECT column_name(s) |
FROM table_name | |
WHERE column_name operator value |
Friday, 17 June 2016
SQL STATEMENTS
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