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What is the command used to make the size of the table columns reflect the data in the columns in micro computers?

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What are some of the functions for the alter table command in Oracle?

Some of the functions for the alter table command in Oracle include renaming columns or rows, adding columns or rows and marking items as being read only.


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.


How do you show table or column contents using the MySQL commands?

To show the contents of a table in MySQL, you can use the SELECT statement. For example, to display all columns from a table named employees, you would run the command SELECT * FROM employees;. If you want to show specific columns, you can specify them, like SELECT first_name, last_name FROM employees;. To view the structure of a table, you can use DESCRIBE table_name; or SHOW COLUMNS FROM table_name;.


Do you have a table without columns?

You cannot have a table without columns. Columns are what make up the structure of a table. It would be like a house without walls.


Sql command to retrive all data froma table?

The SQL command that can be used to retrieve all data from a table is the SELECT Ex: Let us say we have a table called employee_master which contains 3 columns emp_name, emp_number, date_of_joining you can retrieve all the data by using the below command SELECT * FROM employee_master or SELECT emp_name, emp_number, date_of_joining FROM employee_master


How many columns are in periodic table?

There are 18 columns.


How many columns in the periodic table?

there are 18 columns


How many A columns are on the periodic table?

There are 8 A columns on the periodic table. They are the two columns of the s-block and the six columns of the p-block.


Where do you find groups on a periodic table?

groups are the vertical columns on the periodic table


All columns in a table must be of the same width?

Columns in an Excel table can be any width you like.


What are the virtical columns in a periodic table called?

The vertical columns of the periodic table are called groups or families.