1Z1-171 Latest Practice Questions & 1Z1-171 Unlimited Exam Practice

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Oracle 1Z1-171 Exam Syllabus Topics:

Section	Objectives
Using DML Statements	- Update rows in a table - Use the MERGE statement - Delete rows from a table - Control transactions - Insert rows into a table
Using SELECT Statements	- Execute a basic SELECT statement - Use the WHERE clause to restrict rows - Use the FETCH clause to limit rows returned - Use the ORDER BY clause to sort rows
Using Subqueries	- Use multiple-row subqueries - Use correlated subqueries - Use single-row subqueries
Using Set Operators	- Use UNION, UNION ALL, INTERSECT, and MINUS operators
Using DDL Statements	- Create and manage views - Create and manage constraints - Create and manage indexes - Create and manage tables - Create and manage sequences
Controlling User Access	- Create and manage roles - Grant and revoke privileges - Differentiate system privileges from object privileges
Using Joins	- Use cross joins - Use outer joins (LEFT, RIGHT, FULL) - Use self-joins - Use equijoins and non-equijoins
Using SQL Functions	- Use character, number, and date functions in SELECT statements - Use conversion functions

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Oracle Database 23ai SQL Associate Sample Questions (Q56-Q61):

NEW QUESTION # 56
The column data type is converted to a primary key.

A. CREATE ALIAS
B. CREATE SEQUENCE
C. CREATE INDEX
D. CREATE SYNONYM

Answer: D

NEW QUESTION # 57
How does SQL handle NULL values in arithmetic expressions?

A. Produces a NULL result
B. Treats them as the largest possible number
C. Produces an error
D. Treats them as zero

Answer: A

NEW QUESTION # 58
What does the COMMIT statement do in SQL?

A. Discards all pending changes in the transaction
B. Saves all pending changes to the database permanently
C. Rolls back changes to a previous state
D. Begins a new transaction

Answer: B

NEW QUESTION # 59
Which of the following is true about foreign key constraints in SQL?

A. They ensure that a column only contains NULL values.
B. They define a relationship between two tables.
C. They enforce the uniqueness of values in a column.

Answer: B

NEW QUESTION # 60
Which command revokes a user's privilege to update a table?

A. DELETE UPDATE ON table_name FROM user_name;
B. DENY UPDATE ON table_name FROM user_name;
C. REMOVE UPDATE ON table_name FROM user_name;
D. REVOKE UPDATE ON table_name FROM user_name;

Answer: D

NEW QUESTION # 61
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