Types of SQL JOIN We have already discussed the topics- SQL JOIN and SQL INNER JOIN ,SQL LEFT JOIN . SQL RIGHT JOIN is very much similar to its counterpart.ALL the variety of joins can be easily explained with the help of venn diagrams.In this article we will understand the concept by using examples and demo tables. The SQL …
What is an operator? We will discuss about the various SQL operators , and use of it. But , before learning SQL operators , we ought to know about the basic of operators.An operator, in computer programming, is a symbol that usually represents an action or process. Expression is incomplete without an operator.operator works as …
Types of SQL JOIN We have already discussed the topics- SQL JOIN and SQL INNER JOIN ,SQL LEFT JOIN,SQL RIGHT JOIN . SQL FULL OUTER JOIN is similar to its counterparts. SQL FULL OUTER JOIN is the union of all JOINS. ALL the variety of joins can be easily explained with the help of venn diagrams.In this article we …
SQL LIMIT/TOP/ROWNUM Clause Structure Query Language is a procedural programming language and provides us with many features. SQL LIMIT Clause has different names for different versions of SQL on different platforms. This clause is used to specify the number of records to return. NOTE[#1]: MS Access/ SQL Server SELECT TOP number|percent column_name(s) FROM table_name WHERE …
SQL Aliases One of the most important topics in SQL is -‘Aliases’. SQL aliases are used particularly to give a table, or a column in a table , a temporary name. Alias is just a temporary name assigned to the column or a table. Renaming occurs on a temporary basis , table name and properties …