What is a simple query?

What is simple query in database?

An SQL query consists of three pieces, or blocks: the select block, the from block and the where block. The select block tells the database which columns of data you want it to return. You must separate each column name with a comma.

How do you write a simple query?

How to Create a SQL Statement1Start your query with the select statement. select [all | distinct] ... 2Add field names you want to display. field1 [,field2, 3, 4, etc.] ... 3Add your statement clause(s) or selection criteria. Required: ... 4Review your select statement. Here's a sample statement:

What is simple query and complex query?

There are 2 types of Views in SQL: Simple View and Complex View. Simple views can only contain a single base table. Complex views can be constructed on more than one base table. In particular, complex views can contain: join conditions, a group by clause, a order by clause.

What is a query and give an example?

Query is another word for question. In fact, outside of computing terminology, the words "query" and "question" can be used interchangeably. For example, if you need additional information from someone, you might say, "I have a query for you." In computing, queries are also used to retrieve information.