How do I merge two queries in SQL without union?

How do I combine two SQL queries in one result without a union?

4 Answers. You need to create two separate queries and join their result not JOIN their tables. JOIN and UNION are differents. In your query you have used a CROSS JOIN operation, because when you use a comma between two table you apply a CROSS JOIN.

How do I combine two SQL queries?


  1. To combine two or more SELECT statements to form a single result table, use the set operators: UNION, EXCEPT or INTERSECT. …
  2. To keep all duplicate rows when combining result tables, specify the ALL keyword with the set operator clause.

How do I create a union in SQL without a union?

This is possible by using the mutex table as the leftmost table, then LEFT OUTER joining onto the tables which hold the data you really want: select coalesce(c. title, f. title) from mutex left outer join colors as c on i = 0 left outer join flavors as f on i = 1 where i in (0, 1);

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How do I join two tables in SQL without joining?

3 Answers

  1. We can use the Cartesian product, union, and cross-product to join two tables without a common column.
  2. Cartesian product means it matches all the rows of table A with all the rows of table B. …
  3. Union returns the combination of result sets of all the SELECT statements.

How do I combine two queries?

In this step, you create the union query by copying and pasting the SQL statements.

  1. On the Create tab, in the Queries group, click Query Design.
  2. On the Design tab, in the Query group, click Union. …
  3. Click the tab for the first select query that you want to combine in the union query.

Can you run multiple SQL queries at once?

You can include multiple SQL statements on the SQL query panel. The exceptions are CALL and CREATE PROCEDURE statements. These statements must be used alone in a query.

Can you have 2 SELECT statements in SQL?

The SQL UNION ALL operator is used to combine the result sets of 2 or more SELECT statements. It does not remove duplicate rows between the various SELECT statements (all rows are returned). Each SELECT statement within the UNION ALL must have the same number of fields in the result sets with similar data types.

Does Union in SQL remove duplicates?

The SQL Union All operator combines the result of two or more Select statement similar to a SQL Union operator with a difference. The only difference is that it does not remove any duplicate rows from the output of the Select statement.

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How do I merge two Excel queries?

In the Excel workbook, navigate to the Products query on the Products worksheet tab. Select a cell in the query, and then select Query > Merge. In the Merge dialog box, select Products as the primary table, and select Total Sales as the secondary or related query to merge.

What can be used instead of union in SQL?

There are several alternatives to the union SQL operator:

  • Use UNION ALL.
  • Execute each SQL separately and merge and sort the result sets within your program! …
  • Join the tables. …
  • In versions, 10g and beyond, explore the MODEL clause.
  • Use a scalar subquery.

How do you order by in UNION all?

Combining ORDER BY and UNION

  1. The columns in the ORDER BY list must be a subset of the columns in the select list of the left side of the union.
  2. All the columns in the ORDER BY list must be sorted in ascending order and they must be an in-order prefix of the columns in the target list of the left side of the UNION.

What is the difference between UNION and UNION all in SQL?

The only difference between Union and Union All is that Union extracts the rows that are being specified in the query while Union All extracts all the rows including the duplicates (repeated values) from both the queries.

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