SQL AND,OR and NOT SQL provides us with logical operators that makes our work easy . SQL logical operator helps in filtering the result. The three most commonly used logical operator are – AND , OR, NOT. SQL logical operator are used with ‘WHERE’. Let us discuss about SQL AND,OR and NOT operators. SQL AND,OR and …
SQL IN operator This SQL tutorial explains how to use IN operator in SQL.SQL IN condition is also termed as SQL IN operator , It easily allow us to test if the expression fulfill the condition.The ‘IN’ operator belongs to the same family as of ‘OR’ operator.SQL ‘IN’ operator are treated as a shorthand for …
What is NULL ? As the name suggests, Null value represents a field with Zero/Blank Value. It is very important to learn that NULL value do not represent ‘0’ or any spaces. NULL values are different from Zero . In SQL , A field that is left blank is considered to be a NULL value. SQL …
What is Data type? Like any other programming language, SQl commands are distributed among various functions. Data types describes the nature of a data which tells the compiler or interpreter to use the data in its various forms. In context to SQL Data types , A data type defines the type of value stored in …
SQL (Structure query language) is mainly termed as a domain-specific language. A domain specific language is a specialized computer language used for a particular domain. rdbms concepts are very important to get our basics and vision clear. RDBMS uses SQL language for stream processing. SQL is a set based, and a decorative programming language, and …