Computers and Technology, 10.03.2020 04:27 gabrielbergemancat

Identify two related tables in the JustLee Books database. Identify the common field between the two tables. Decide which columns you would like to display in the output. Write a SQL code to join identified tables using the WHERE statement. Make sure to include qualifiers for columns that appear in both tables. Since only two tables are joined, make sure to include one join condition in the WHERE statement. Explain what the query is intended to do.

Repeat problem 1 but remove the WHERE statement. What happened? Why?

Repeat problem 1 using the JOIN … USING keywords.

Repeat problem 1 using the JOIN … ON keywords.

Repeat problem 1 but add a condition in the WHERE statement. Use logical operators to combine multiple conditions. Explain what the query is intended to do.

Repeat problem 1 but add two more conditions in the WHERE statement. Use logical operators to combine multiple conditions. Explain what the query is intended to do.

Identify three related tables in the JustLee Books database. Identify common fields between the tables. Decide which columns you would like to display in the output. Write a SQL code to join identified tables using the WHERE statement. Make sure to include qualifiers for columns that appear in multiple tables. Since three tables are joined, make sure to include two join conditions in the WHERE statement. Explain what the query is intended to do.

Repeat problem 7 using the JOIN … USING keywords and add two conditions. Explain what the query is intended to do.

Repeat problem 7 using the JOIN … ON keywords and add two conditions. Explain what the query is intended to do.

Use set operators UNION, INION ALL, INTERSECT, and MINUS to combine the results of two queries. Make sure the column list in both queries is consistent. Explain the result.

Identify a table in the JustLee Books database where a self-join can be used and write a corresponding SQL query. Explain what the query is intended to do.

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Identify two related tables in the JustLee Books database. Identify the common field between the two...

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