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Oracle 1z1-071 Exam Syllabus Topics:

SectionWeightObjectives
Restricting and Sorting Data15%- ORDER BY clause and sorting rules
- Substitution variables, DEFINE and VERIFY commands
- Operator precedence
- WHERE clause and filtering conditions
Using Single-Row Functions to Customize Output20%- Character, number, and date functions
- Nested functions usage
Conversion Functions and Conditional Expressions10%- TO_CHAR, TO_NUMBER, TO_DATE functions
- Implicit and explicit data type conversion
- NVL, NULLIF, COALESCE and CASE expressions
Using SET Operators- Ordering results with set operations
- UNION, UNION ALL, INTERSECT, MINUS operators
Using Data Dictionary Views- Retrieve metadata and object information
Relational Database Concepts10%- Theoretical and physical aspects of relational databases
- Relationship between database and SQL
- ERD and SQL statement mapping
Controlling User Access- System and object privileges
- Roles, granting and revoking privileges
Displaying Data from Multiple Tables15%- Cartesian products
- Self-joins and outer joins
- Equijoins and non-equijoins
Retrieving Data Using SQL SELECT Statement20%- Arithmetic operations and NULL handling
- Column aliases, concatenation, literals and DISTINCT
- SELECT statement syntax and usage
Manipulating Data and Managing Transactions- INSERT, UPDATE, DELETE, MERGE statements
- Multi-table inserts
- Transaction control: COMMIT, ROLLBACK, SAVEPOINT
Managing Indexes, Synonyms and Sequences- Create and use sequences
- Create and use synonyms
- Create and maintain indexes
Using Subqueries to Solve Queries- Correlated subqueries for update/delete
- Single-row and multi-row subqueries
Working with Time Zones and Date/Time Data- TIMESTAMP, INTERVAL data types
- Time zone conversion functions
Aggregating Data Using Group Functions10%- Handling NULLs in group functions
- SUM, AVG, COUNT, MAX, MIN functions
- GROUP BY and HAVING clauses
Managing Tables and Constraints- Data types, creating/altering/dropping tables
- Constraints: primary key, foreign key, unique, check, not null
- Temporary and external tables
Managing Views- Updatable and read-only views
- Create, modify and drop views

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Oracle Database SQL Sample Questions (Q257-Q262):

NEW QUESTION # 257
View the exhibit and examine the structure of the PROMOTIONS table.

You have to generate a report that displays the promo name and start date for all promos that started after the last promo in the 'INTERNET' category.
Which query would give you the required output?

Answer: B


NEW QUESTION # 258
The EMPLOYEES table contains columns EMP_IDof data type NUMBERand HIRE_DATEof data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORYparameter is set to AMERICAin the session and, therefore, Sunday is the first day of the week.
Which query can be used?
SELECT emp_id, NEXT_DAY(MONTHS_BETWEEN(hire_date, SYSDATE), 6) FROM employees;

Answer: D

Explanation:
Explanation/Reference: http://www.dba-oracle.com/t_add_months.htm


NEW QUESTION # 259
Examine the structure of the BOOKS_TRANSACTIONStable:

You want to display the member IDs, due date, and late fee as $2 for all transactions.
Which SQL statement must you execute?

Answer: B


NEW QUESTION # 260
Which two are true about granting privileges on objects? (Choose two.)

Answer: C,D

Explanation:
https://docs.oracle.com/cd/B19306_01/network.102/b14266/authoriz.htm#i1008214


NEW QUESTION # 261
Which three tasks can be performed using SQL functions built into Oracle Database? (Choose three.)

Answer: A,B,D


NEW QUESTION # 262
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