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Database - Advanced SQL

Exercise : Advanced SQL - True or False
6.
A transaction is the complete set of closely related update commands that must all be done, or none of them done, for the database to remain valid.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The UNION clause is used to combine the output from multiple queries together into a single result table.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
ROLLBACK WORK asks SQL to empty the log file.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The most frequently used relational operation, which brings together data from two or more related tables into one resultant table, is called an equi-join.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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