S.No.
|
SQL
Statement
|
Syntax
|
1.
|
AND
/ OR
|
SELECT
column_name(s)
FROM table_name WHERE condition AND|OR condition |
2.
|
ALTER
TABLE
|
ALTER
TABLE table_name
ADD column_name datatype
Or
ALTER
TABLE table_name
DROP COLUMN column_name |
3.
|
AS
(alias)
|
SELECT
column_name AS column_alias
FROM table_name
Or
SELECT
column_name
FROM table_name AS table_alias |
4.
|
BETWEEN
|
SELECT
column_name(s)
FROM table_name WHERE column_name BETWEEN value1 AND value2 |
5.
|
CREATE
DATABASE
|
CREATE
DATABASE database_name
|
6.
|
CREATE
TABLE
|
CREATE
TABLE table_name
( column_name1 data_type, column_name2 data_type, column_name2 data_type, ... ) |
7.
|
CREATE
INDEX
|
CREATE
INDEX index_name
ON table_name (column_name)
Or
CREATE
UNIQUE INDEX index_name
ON table_name (column_name) |
8.
|
CREATE
VIEW
|
CREATE
VIEW view_name AS
SELECT column_name(s) FROM table_name WHERE condition |
9.
|
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!!) |
10.
|
DROP
DATABASE
|
DROP
DATABASE database_name
|
11.
|
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) |
12.
|
DROP
TABLE
|
DROP
TABLE table_name
|
13.
|
GROUP
BY
|
SELECT
column_name, aggregate_function(column_name)
FROM table_name WHERE column_name operator value GROUP BY column_name |
14.
|
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 |
15.
|
IN
|
SELECT
column_name(s)
FROM table_name WHERE column_name IN (value1,value2,..) |
16.
|
INSERT
INTO
|
INSERT
INTO table_name
VALUES (value1, value2, value3,....)
Or
INSERT
INTO table_name
(column1, column2, column3,...) VALUES (value1, value2, value3,....) |
17.
|
INNER
JOIN
|
SELECT
column_name(s)
FROM table_name1 INNER JOIN table_name2 ON table_name1.column_name=table_name2.column_name |
18.
|
LEFT
JOIN
|
SELECT
column_name(s)
FROM table_name1 LEFT JOIN table_name2 ON table_name1.column_name=table_name2.column_name |
19.
|
RIGHT
JOIN
|
SELECT
column_name(s)
FROM table_name1 RIGHT JOIN table_name2 ON table_name1.column_name=table_name2.column_name |
20.
|
FULL
JOIN
|
SELECT
column_name(s)
FROM table_name1 FULL JOIN table_name2 ON table_name1.column_name=table_name2.column_name |
21.
|
LIKE
|
SELECT
column_name(s)
FROM table_name WHERE column_name LIKE pattern |
22.
|
ORDER
BY
|
SELECT
column_name(s)
FROM table_name ORDER BY column_name [ASC|DESC] |
23.
|
SELECT
|
SELECT
column_name(s)
FROM table_name |
24.
|
SELECT
*
|
SELECT
*
FROM table_name |
25.
|
SELECT
DISTINCT
|
SELECT
DISTINCT column_name(s)
FROM table_name |
26.
|
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 |
27.
|
SELECT
TOP
|
SELECT
TOP number|percent column_name(s)
FROM table_name |
28.
|
TRUNCATE
TABLE
|
TRUNCATE
TABLE table_name
|
29.
|
UNION
|
SELECT
column_name(s) FROM table_name1
UNION SELECT column_name(s) FROM table_name2 |
30.
|
UNION
ALL
|
SELECT
column_name(s) FROM table_name1
UNION ALL SELECT column_name(s) FROM table_name2 |
31.
|
UPDATE
|
UPDATE
table_name
SET column1=value, column2=value,... WHERE some_column=some_value |
32.
|
WHERE
|
SELECT
column_name(s)
FROM table_name WHERE column_name operator value |
Monday 30 April 2012
Sql coommand step by step
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