MySQL Queries

Author: learning-zone

mysql-queries.md

@@ -1,3 +1,18 @@
 
 ## MySQL Queries
 
+#### Basic Keywords
+
+|Sl.No |Keyword   | Description                                       |
+|------|----------|---------------------------------------------------|
+|  01. |SELECT	  |Used to state which columns to query. Use * for all|
+|  02. |FROM 	  |Declares which table/view etc to select from|
+|  03. |WHERE	  |Introduces a condition|
+|  04. |=	  |Used for comparing a value to a specified input|
+|  05. |LIKE	  |Special operator used with the WHERE clause to search for a specific pattern in a column|
+|  06. |GROUP BY  |Arranges identical data into groups|
+|  07. |HAVING	  |Specifies that only rows where aggregate values meet the specified conditions should be returned. Used because the WHERE keyword cannot be used with aggregate functions|
+|  08. |INNER JOIN|Returns all rows where key record of one table is equal to key records of another|
+|  09. |LEFT JOIN |Returns all rows from the ‘left’ (1st) table with the matching rows in the right (2nd)|
+|  10. |RIGHT JOIN|Returns all rows from the ‘right’ (2nd) table with the matching rows in the left (1st)|
+|  11. |FULL OUTER JOIN|Returns rows that match either in the left or right table|