SQL Statement
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Syntax
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AND / OR
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SELECT column_name(s)
FROM table_name
WHERE condition
AND|OR condition
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ALTER TABLE
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ALTER TABLE table_name
ADD column_name datatypeor
ALTER TABLE table_name
DROP COLUMN column_name
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AS (alias)
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SELECT column_name AS column_alias
FROM table_nameor
SELECT column_name
FROM table_name AS table_alias
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BETWEEN
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SELECT column_name(s)
FROM table_name
WHERE column_name
BETWEEN value1 AND value2
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CREATE DATABASE
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CREATE DATABASE database_name
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CREATE TABLE
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CREATE TABLE table_name
(
column_name1 data_type,
column_name2 data_type,
column_name2 data_type,
…
)
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CREATE INDEX
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CREATE INDEX index_name
ON table_name (column_name)or
CREATE UNIQUE INDEX index_name
ON table_name (column_name)
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CREATE VIEW
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CREATE VIEW view_name AS
SELECT column_name(s)
FROM table_name
WHERE condition
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DELETE
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DELETE FROM table_name
WHERE some_column=some_valueor
DELETE FROM table_name
(Note: Deletes the entire table!!)
DELETE * FROM table_name
(Note: Deletes the entire table!!)
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DROP DATABASE
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DROP DATABASE database_name
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DROP INDEX
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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)
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DROP TABLE
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DROP TABLE table_name
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GROUP BY
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SELECT column_name, aggregate_function(column_name)
FROM table_name
WHERE column_name operator value
GROUP BY column_name
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HAVING
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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
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IN
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SELECT column_name(s)
FROM table_name
WHERE column_name
IN (value1,value2,..)
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INSERT INTO
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INSERT INTO table_name
VALUES (value1, value2, value3,….)or
INSERT INTO table_name
(column1, column2, column3,…)
VALUES (value1, value2, value3,….)
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INNER JOIN
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SELECT column_name(s)
FROM table_name1
INNER JOIN table_name2
ON table_name1.column_name=table_name2.column_name
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LEFT JOIN
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SELECT column_name(s)
FROM table_name1
LEFT JOIN table_name2
ON table_name1.column_name=table_name2.column_name
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RIGHT JOIN
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SELECT column_name(s)
FROM table_name1
RIGHT JOIN table_name2
ON table_name1.column_name=table_name2.column_name
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FULL JOIN
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SELECT column_name(s)
FROM table_name1
FULL JOIN table_name2
ON table_name1.column_name=table_name2.column_name
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LIKE
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SELECT column_name(s)
FROM table_name
WHERE column_name LIKE pattern
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ORDER BY
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SELECT column_name(s)
FROM table_name
ORDER BY column_name [ASC|DESC]
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SELECT
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SELECT column_name(s)
FROM table_name
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SELECT *
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SELECT *
FROM table_name
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SELECT DISTINCT
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SELECT DISTINCT column_name(s)
FROM table_name
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SELECT INTO
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SELECT *
INTO new_table_name [IN externaldatabase]
FROM old_table_nameor
SELECT column_name(s)
INTO new_table_name [IN externaldatabase]
FROM old_table_name
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SELECT TOP
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SELECT TOP number|percent column_name(s)
FROM table_name
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TRUNCATE TABLE
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TRUNCATE TABLE table_name
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UNION
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SELECT column_name(s) FROM table_name1
UNION
SELECT column_name(s) FROM table_name2
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UNION ALL
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SELECT column_name(s) FROM table_name1
UNION ALL
SELECT column_name(s) FROM table_name2
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UPDATE
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UPDATE table_name
SET column1=value, column2=value,…
WHERE some_column=some_value
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WHERE
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SELECT column_name(s)
FROM table_name
WHERE column_name operator value
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