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SQL Assignment Help



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SQL is a freely available teaching tool designed to be a student's first exposure to Concurrent programming. It is simple to create and easy to run. Free available software or tools. 



Our SQL programmers are expert in coding and we can complete your assignment at your terms and conditions. We keep you update with your assignment progress. Our aim is to help and educate you in the SQL (Structured Query Language) programming Language Assignment Help. you can contact our programming assignment experts any time to get your queries resolved or make some addition of thoughts to your work. 


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 SQL (Structured Query Language) Language Assignment Help:



1) SQL is also called a Structured Query Language. It is for keeping, manipulating as well as retrieving data in databases. 

2) It is language for relational database systems. SQL programming may be efficiently utilized to modify, update, delete, insert, search, alter, create, database records.



Standard Query Language (SQL) Commands are categories by:



DDL: It is known as Data Definition Language. 

         - Commands : CREATE, ALTER, DROP, COMMENT, TRUNCATE, RENAME


DML: It is known as Data Manipulation Language. 

          - Commands : SELECT, INSERT, CALL, UPDATE, DELETE, MERGE, LOCK


DCL: It is known as Data Control Language. 

        - Commands : GRANT, REVOKE


TCL: It is known as Transaction Control Language. 

         - Commands : COMMIT, ROLLBACK, SAVEPOINT, TRANSACTION



Some Example:


Query1   --   List the classnumber, classname, day and time for all classes.

SELECT CD_ClassNo,   CD_ClassName, CD_Time,   CD_Day FROM CD_Classes; 




Query   2 -   List the studentno, studentname, and   major for any student who transferred from college #3 or   #4.    

SELECT CD_StudentNO,   CD_StudentName, CD_Major FROM CD_STUDENT where   CD_CommunityCollegeNo = 3 or CD_CommunityCollegeNo =   4 ;


Finding the SQL JOIN online service to SQL Assignment Help:



LEFT JOIN
Select *from table1 p 
LEFT JOIN table2 q
ON p.key= q.key
RIGHT JOIN
Select *from table1 p 
RIGHT JOIN table2 q 
ON p.key= q.key
FULL OUTER JOIN

Select *from table1 p 
FULL OUTER JOIN table2 q 
ON p.key= q.key
LEFT JOIN
Select *from table1 p 
LEFT JOIN table2 q
ON p.key= q.key
WHERE q.keyISNULL
Select *from table1 p 
INNER JOIN table2 q 
ON p.key= q.key
Select *from table1 p 
FULL OUTERJOIN table2 q 
ON p.key= q.key
WHERE p.keyISNULL
OR q.keyISNULL
RIGHT JOIN
Select *from table1 p
RIGHT JOIN table2 q 
ON p.key= q.key
WHERE p.keyISNULL






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