How do I select a single column in SQL?

Asked by: Gobrias Roijackers

asked in category: General Last Updated: 13th June, 2020

How do I select a single column in SQL?

Syntax. SELECT * FROM “table_name”; “table_name” is the name of the table where data is stored, and “column_name” is the name of the column containing the data to be retrieved. To select more than one column, add a comma to the name of the previous column, and then add the column name.

Thereof, how do I display a specific column in SQL?

Choosing All Columns: SELECT *It stands for all the column names in all the tables in the table list. The columns are displayed in the order in which they appeared in the CREATE TABLE statement(s). Most people read a SELECT * statement as “select star.” Use it when you want to see all the columns in a table.

Beside above, what does * mean in SQL? In SQL * means All record, not only in SQL in other programming languages * is called as wild card character which means all present record. In SQL we use * with SELECT query to select all records forma desired table.

Furthermore, how do I select a specific column?

Select one or more rows and columns

  1. Select the letter at the top to select the entire column. Or click on any cell in the column and then press Ctrl + Space.
  2. Select the row number to select the entire row.
  3. To select non-adjacent rows or columns, hold Ctrl and select the row or column numbers.

What is a null value?

The SQL NULL is the term used to represent a missing value. A NULL value in a table is a value in a field that appears to be blank. A field with a NULL value is a field with no value. It is very important to understand that a NULL value is different than a zero value or a field that contains spaces.

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