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Select count(ColName) from tableName

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โˆ™ 2006-11-05 01:05:58
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Q: How do you calculate column counts in database tables?
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Related questions

What is the process of determining the particular tables and columns that will comprise a database?

column and row


What is one column of a database called?

We know database is the collection of records. These record s are stored in the tables. Each column in the table have a name and it is known as field or attribute.attribute


What is the purpose of relating tables in a database?

to calculate data more effectively


What does field mean in a database?

A database stores data in a table and the data may or may not be related to other data. The tables in the database also may or may not have any relation with the other tables. A field is the attribute or the column name in a table.In a database, a "field" is the name of a column. You can think of them as fields on a form or in a record, where the rows are other records.


What are tables in SQL?

Tables in SQL, or the SQL Database tables are the foundation of every Relational Database Management System.


What comprises database?

Database comprises of records that are related to each other. In database the data is stored in the form of tables, are called database tables .


What is each row called in a database?

In database the data is stored in tables called database tables. These tables have rows and columns. Each row is called a tuple.


How do you relate tables?

You can relate the data present in multiple tables by using the concept of Foreign Keys. for example if we have an employee database that contains various details of an employee scattered in multiple tables, one column in each table can be used to logically group the data in all these tables. For example, the employee number column in each of these tables can be used to relate the data present in these tables.


how do you relate?

You can relate the data present in multiple tables by using the concept of Foreign Keys. for example if we have an employee database that contains various details of an employee scattered in multiple tables, one column in each table can be used to logically group the data in all these tables. For example, the employee number column in each of these tables can be used to relate the data present in these tables.


What those database comprise?

Database comprises of records that are related to each other. In database the data is stored in the form of tables, are called database tables .


What are database ables?

Database is the collection of data which are interrelated with each other. Data in database is stored in form of table these tables are known as database tables.


Can you add new columns to a database after creating the structure?

Columns are added to a table, not a database (which is a collection of tables). Adding a column to a table is achieved by using the Alter Table SQL command.

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