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DATATYPES: there are 3 types of datatypes those are: a)primary datatypes b)user-defined datatypes c)derived data types primary datatypes are...
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ARRAYS: An array is a group of related data items that share a common name.For instance,we can define an array name salary to represent a se...
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IT professionals and students from all over the world have many options for SQL training nowadays. They can learn SQL by going to instructo...
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The SQL BETWEEN & AND keywords define a range of data between 2 values. The SQL BETWEEN syntax looks like this: SELECT Column1, Column2,...
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The SQL ORDER BY clause comes in handy when you want to sort your SQL result sets by some column(s). For example if you want to select all t...
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So far we’ve learnt how to select data from a database table and how to insert and update data into a database table. Now it’s time to learn...
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The SQL DISTINCT clause is used together with the SQL SELECT keyword, to return a dataset with unique entries for certain database table col...
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INTRODUCTION TO 'C': C is a programming language developed at AT & T's Bell laboratories of USA in 1972.it was designed by d... -
The SQL AVG aggregate function selects the average value for certain table column. Have a look at the SQL AVG syntax: SELECT AVG(Column1) FR...
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The SQL MAX aggregate function allows us to select the highest (maximum) value for a certain column. The SQL MAX function syntax is very sim...
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