Working with Joins
Oracle 12c
| Beginner
- 17 Videos | 1h 4m 20s
- Earns a Badge
It's important to minimize data redundancy in a relational database. Learn how to view information across multiple tables with joins and use advanced SELECT features to obtain values based on an unknown conditional value.
WHAT YOU WILL LEARN
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describe how to obtain data from multiple tables using JOINS in a SQL statement
join tables automatically based on columns with matching data types and names to retrieve data in a SQL statement
use the USING clause to specify columns used for an equijoin to retrieve records in a SQL statement
use aliases with the USING clause and use prefixes to join multiple tables in a SQL statement
use the ON clause when you specify join conditions in the WHERE clause in a SQL statement
using a three-way join to join three tables in a SQL statement
use the AND clause or the WHERE clause to apply additional conditions to a join in a SQL statement
use a self-join to join a table to itself in a SQL statement
use a join condition containing a non-equijoin in a SQL statement -
use an OUTER join to return records with no direct match in a SQL statement
describe the differences between an INNER and OUTER join
use a left outer join in a SQL statement
use a right outer join in a SQL statement
use a full outer join in a SQL statement
describe the generation of a Cartesian product returned by a SQL statement
create cross joins in a SQL statement
display data from multiple tables using joins in a SQL statement
IN THIS COURSE
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1.Obtaining Data from Multiple Tables2m 42s
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2.Creating and Retrieving Records with Natural Joins3m 50s
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3.Creating Joins with the USING Clause5m 9s
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4.Ambiguous Column Names and Table Aliases4m 58s
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5.Creating Joins with the ON Clause3m 49s
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6.Creating Three-way Joins5m 1s
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7.Applying Additional Conditions to a Join2m 34s
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8.Creating Self-joins using the ON clause5m 10s
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9.Retrieving Records from Non-equijoins4m 14s
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10.Retrieving Records with No Direct Match4m 46s
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11.INNER and OUTER Joins1m 37s
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12.Left Outer Join2m 57s
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13.Right Outer Join2m 21s
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14.Full Outer Join2m 52s
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15.Generating Cartesian Product2m 36s
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16.Cross Joins2m 2s
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17.Exercise: Joining Multiple Tables5m 12s
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