How do I join two tables in Db2?

How do I join two tables in Db2?

  1. Inner join. You can use an inner join in a SELECT statement to retrieve only the rows that satisfy the join conditions on every specified table.
  2. Left outer join. The LEFT OUTER JOIN clause lists rows from the left table even if there are no matching rows on right table.
  3. Right outer join.
  4. Full outer join.

Can I connect Db2 from SQL Developer?

The Oracle SQL Developer tool can connect to databases other than Oracle, including MySQL, Microsoft SQL Server and DB2. However, write access is not supported for DB2. Before setting up the connection, download and install the IBM DB2 drivers.

How do I join 3 tables in SQL Developer?

How to join 3 or more tables in SQL

  1. Simple Join. First, all the tables are joined using the JOIN keyword, then the WHERE clause is used: FROM Employee e JOIN Salary s JOIN Department d. WHERE e. ID = s. Emp_ID AND e.
  2. Nested Join. The nested JOIN statement is used with the ON keyword: SELECT e. ID, e. Name, s. Salary, d.

How do I enable Db2 connection in SQL Developer?

Connect to Db2 Using SQL Developer

  1. Choose Tools > Preferences… menu item:
  2. Search for JDBC, you will find the Third Party JDBC Drivers under Database.
  3. Browse to the location that you store the JDBC driver file, in this case, it is db2jcc.
  4. Click the New button to create a connection to the Db2 database server.

What are the joins in DB2?

The JOIN is used to combine data from one or more tables in DB2. There are two main types of JOIN — INNER JOIN and OUTER JOIN. The basic difference between them is, INNER JOIN is an intersection of two or more tables while outer join is union of two or more tables.

How do I use ODBC in SQL Developer?

Configuring ODBC

  1. Click on Start, Settings, Control Panel.
  2. Double-click on the ODBC Data Sources icon.
  3. Select MS Access Database from the list, and click the Configure button.
  4. Assign a name to the database.
  5. Assign a description about the connection.
  6. Click on the Select button.

How do I connect to a DB2 database?

Connecting to your Db2 database

  1. Collect database details and credentials. To connect to your database, you need database details (such as the host name), as well as credentials (such as a user ID and password).
  2. Verify that a supported driver is installed.
  3. Configure your environment.
  4. Confirm ports are available.

How many tables can be joined DB2?

You can join a maximum of 16 tables in one query. Note that some limitations apply when you join DB2 tables. For more information, see Additional Considerations for Joining DB2 Tables. A join combines two or more tables side by side.