Table of Contents
Which of the following is used to get all columns of a table?
The asterisk (*) is used to denote that all columns in a table should be displayed as part of the output.
How can I see columns in MySQL?
You can list a table’s columns with the mysqlshow db_name tbl_name command. The DESCRIBE statement provides information similar to SHOW COLUMNS ….SHOW COLUMNS displays the following values for each table column:
- Field. The name of the column.
- Type. The column data type.
- Collation.
- Null.
- Key.
- Default.
- Extra.
- Privileges.
How do I pull multiple columns in SQL?
Using the SELECT Statement to Retrieve Data in SQL To retrieve multiple columns from a table, you use the same SELECT statement. The only difference is that you must specify multiple column names after the SELECT keyword, and separate each column by a comma.
How do I select all columns in two tables in SQL?
Example syntax to select from multiple tables:
- SELECT p. p_id, p. cus_id, p. p_name, c1. name1, c2. name2.
- FROM product AS p.
- LEFT JOIN customer1 AS c1.
- ON p. cus_id=c1. cus_id.
- LEFT JOIN customer2 AS c2.
- ON p. cus_id = c2. cus_id.
Which is the correct SELECT statement to display all records with all columns of a table?
SELECT statement uses * character to retrieve all records from a table, for all the columns.
How would you code a SELECT clause so it returns all columns from the base table?
How would you code a SELECT clause so it returns all columns from the base table? D. Using the ” * ” (asterisk) character with a SELECT statement allows for all columns of data in each associated row to be returned when the statement is executed.
How will you view all the contents of a table?
There are a number of ways to display the contents of a table, all from the Database Explorer window: click on the table, then either: right-click and select Display. click on the Table > Display Table menu option.
How do I select all columns in a table?
You can also click anywhere in the table column, and then press CTRL+SPACEBAR, or you can click the first cell in the table column, and then press CTRL+SHIFT+DOWN ARROW. Note: Pressing CTRL+SPACEBAR once selects the table column data; pressing CTRL+SPACEBAR twice selects the entire table column.
How do I show columns in mysql?