No. One query can take data from more than one table. You would just need to make sure that you have set up the relationship between the tables that you put into the query. You also need to be careful about how you choose the fields and how you set the property of the join between the tables. If you don't do it properly you can get unexpected results.
Yes, glass top dining tables do require a lot of maintenance. They need to be sprayed with Windex almost everyday.
tables
YES, Database is a collection of related records.
field
SQL CREATE VIEW achieves the creation of a table or tables in the SQL database. One can then create tables to the purpose they desire and fill them in with information.
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The process of working out what data should go into which tables and how the tables should be related to each other is known as Normalisation.
A SQL SELECT statement is used to retrieve specific data from one or more tables based on specified criteria. By using SELECT queries with conditions, filters, and joins, you can define subsets of data that meet your requirements.
The DDL provides statement for the creation and deletion of tables, indexes, views etc. The DML provides statements to enter, update, delete and perform complex queries on these tables.
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tables and related views