Syntax in SQL
SQL is followed by a unique set of rules and guidelines called Syntax. All the SQL statements start with any of the keywords like SELECT, INSERT, UPDATE, DELETE, ALTER, DROP, CREATE, USE, SHOW and all the statements end with a semicolon (;).
On this page
- Various Syntax in SQL
- SQL SELECT Statement
- SQL DISTINCT Clause
- SQL WHERE Clause
- SQL AND/OR Clause
- SQL IN Clause
- SQL BETWEEN Clause
- SQL LIKE Clause
- SQL ORDER BY Clause
- SQL GROUP BY Clause
- SQL COUNT Clause
- SQL HAVING Clause
- SQL DROP TABLE Statement
- SQL DROP INDEX Statement
- SQL DESC Statement
- SQL TRUNCATE TABLE Statement
- SQL ALTER TABLE Statement
- SQL ALTER TABLE Statement (Rename)
- SQL INSERT INTO Statement
- SQL UPDATE Statement
- SQL DELETE Statement
- SQL CREATE DATABASE Statement
- SQL DROP DATABASE Statement
- SQL USE Statement
- SQL COMMIT Statement
- SQL ROLLBACK Statement
Various Syntax in SQL
SQL SELECT Statement
SELECT column1, column2....columnN
FROM table_name;
SQL DISTINCT Clause
SELECT DISTINCT column1, column2....columnN
FROM table_name;
SQL WHERE Clause
SELECT column1, column2....columnN
FROM table_name
WHERE CONDITION;
SQL AND/OR Clause
SELECT column1, column2....columnN
FROM table_name
WHERE CONDITION-1 {AND|OR} CONDITION-2;
SQL IN Clause
SELECT column1, column2....columnN
FROM table_name
WHERE column_name IN (val-1, val-2,...val-N);
SQL BETWEEN Clause
SELECT column1, column2....columnN
FROM table_name
WHERE column_name BETWEEN val-1 AND val-2;
SQL LIKE Clause
SELECT column1, column2....columnN
FROM table_name
WHERE column_name LIKE { PATTERN };
SQL ORDER BY Clause
SELECT column1, column2....columnN
FROM table_name
WHERE CONDITION
ORDER BY column_name {ASC|DESC};
SQL GROUP BY Clause
SELECT SUM(column_name)
FROM table_name
WHERE CONDITION
GROUP BY column_name;
SQL COUNT Clause
SELECT COUNT(column_name)
FROM table_name
WHERE CONDITION;
SQL HAVING Clause
SELECT SUM(column_name)
FROM table_name
WHERE CONDITION
GROUP BY column_name
HAVING (arithematic function condition);
SQL DROP TABLE Statement
DROP TABLE table_name;
SQL DROP INDEX Statement
ALTER TABLE table_name
DROP INDEX index_name;
SQL DESC Statement
DESC table_name;
SQL TRUNCATE TABLE Statement
TRUNCATE TABLE table_name;
SQL ALTER TABLE Statement
ALTER TABLE table_name {ADD|DROP|MODIFY} column_name {data_ype};
SQL ALTER TABLE Statement (Rename)
ALTER TABLE table_name RENAME TO new_table_name;
SQL INSERT INTO Statement
INSERT INTO table_name( column1, column2....columnN)
VALUES ( value1, value2....valueN);
SQL UPDATE Statement
UPDATE table_name
SET column1 = value1, column2 = value2....columnN=valueN
[ WHERE CONDITION ];
SQL DELETE Statement
DELETE FROM table_name
WHERE {CONDITION};
SQL CREATE DATABASE Statement
CREATE DATABASE database_name;
SQL DROP DATABASE Statement
DROP DATABASE database_name;
SQL USE Statement
USE database_name;
SQL COMMIT Statement
COMMIT;
SQL ROLLBACK Statement
ROLLBACK;
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