| 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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