What is the output of select from table1 table2?

It produces a cartesian product, so the number of rows in the result set will be the number of rows from table1 multiplied by number of rows from table2 (assuming there are no constraints in the WHERE clause). It effectively pairs each row from table1 with a row coming from table2 .

How do I select a specific column in SQL?

To select more than one column, add a comma to the name of the previous column, and then add the column name….Syntax.

Number of Columns SQL Syntax
1 SELECT “column_name” FROM “table_name”;
More Than 1 SELECT “column_name1″[, “column_name2”] FROM “table_name”;
All SELECT * FROM “table_name”;

How do I select a column from another table?

Example syntax to select from multiple tables:

  1. SELECT p. p_id, p. cus_id, p. p_name, c1. name1, c2. name2.
  2. FROM product AS p.
  3. LEFT JOIN customer1 AS c1.
  4. ON p. cus_id=c1. cus_id.
  5. LEFT JOIN customer2 AS c2.
  6. ON p. cus_id = c2. cus_id.

How do I select a specific column from a table in MySQL?

Use the asterisk character (*) in place of a column list in a SELECT statement to instruct MySQL to return every column from the specified table. When you use SELECT *, columns are displayed in the order they occur in the database table—the order in which columns were specified when the table was created.

Which of the following would select all records from a table named customers?

Explanation: The SQL SELECT statement queries data from tables in the database.

How do you extract a column from a table in SQL?

Tip Query to get all column names from database table in SQL…

  1. SELECT COLUMN_NAME.
  2. FROM INFORMATION_SCHEMA. COLUMNS.
  3. WHERE TABLE_NAME = ‘Your Table Name’
  4. ORDER BY ORDINAL_POSITION.

How do I SELECT data from two tables in Excel?

With the Merge Tables Wizard installed in your Excel, here’s what you need to do:

  1. Select the first table or any cell in it and click the Merge Two Tables button on the Ablebits Data tab:
  2. Take a quick look at the selected range to make sure the add-in got it right and click Next.
  3. Select the second table and click Next.

How do I SELECT two columns in SQL?

To select multiple columns from a table, simply separate the column names with commas! For example, this query selects two columns, name and birthdate , from the people table: SELECT name, birthdate FROM people; Sometimes, you may want to select all columns from a table.

How do I order columns in SQL?

To change the column order

  1. In Object Explorer, right-click the table with columns you want to reorder and click Design.
  2. Select the box to the left of the column name that you want to reorder.
  3. Drag the column to another location within the table.