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Oracle 1z0-071 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Managing Tables and Constraints- Constraints: primary key, foreign key, unique, check, not null
- Temporary and external tables
- Data types, creating/altering/dropping tables
Topic 2: Conversion Functions and Conditional Expressions10%- Implicit and explicit data type conversion
- TO_CHAR, TO_NUMBER, TO_DATE functions
- NVL, NULLIF, COALESCE and CASE expressions
Topic 3: Using SET Operators- UNION, UNION ALL, INTERSECT, MINUS operators
- Ordering results with set operations
Topic 4: Restricting and Sorting Data15%- Operator precedence
- ORDER BY clause and sorting rules
- WHERE clause and filtering conditions
- Substitution variables, DEFINE and VERIFY commands
Topic 5: Working with Time Zones and Date/Time Data- TIMESTAMP, INTERVAL data types
- Time zone conversion functions
Topic 6: Retrieving Data Using SQL SELECT Statement20%- Arithmetic operations and NULL handling
- Column aliases, concatenation, literals and DISTINCT
- SELECT statement syntax and usage
Topic 7: Displaying Data from Multiple Tables15%- Cartesian products
- Self-joins and outer joins
- Equijoins and non-equijoins
Topic 8: Aggregating Data Using Group Functions10%- SUM, AVG, COUNT, MAX, MIN functions
- GROUP BY and HAVING clauses
- Handling NULLs in group functions
Topic 9: Using Subqueries to Solve Queries- Correlated subqueries for update/delete
- Single-row and multi-row subqueries
Topic 10: Managing Indexes, Synonyms and Sequences- Create and use synonyms
- Create and maintain indexes
- Create and use sequences
Topic 11: Using Single-Row Functions to Customize Output20%- Character, number, and date functions
- Nested functions usage
Topic 12: Controlling User Access- System and object privileges
- Roles, granting and revoking privileges
Topic 13: Manipulating Data and Managing Transactions- Transaction control: COMMIT, ROLLBACK, SAVEPOINT
- Multi-table inserts
- INSERT, UPDATE, DELETE, MERGE statements
Topic 14: Managing Views- Create, modify and drop views
- Updatable and read-only views
Topic 15: Using Data Dictionary Views- Retrieve metadata and object information
Topic 16: Relational Database Concepts10%- Theoretical and physical aspects of relational databases
- Relationship between database and SQL
- ERD and SQL statement mapping

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Oracle Database SQL Sample Questions (Q274-Q279):

NEW QUESTION # 274
Examine thee statements which execute successfully:
CREATE USER finance IDENTIFIED BY pwfin;
CREATE USER fin manager IDENTIETED BY pwmgr;
CREATE USER fin. Clerk IDENTIFIED BY pwclerk;
GRANT CREATE SESSON 20 finance, fin clerk;
GRANT SELECT ON scott. Emp To finance WITH GRANT OPTION;
CONNECT finance/pwfin
GRANT SELECT ON scott. emp To fin_ _clerk;
Which two are true?

Answer: A,D


NEW QUESTION # 275
Evaluate the following SELECTstatement and view the exhibit to examine its output:
SELECT constraint_name, constraint_type, search_condition,
r_constraint_name, delete_rule, status,
FROM user_constraints
WHERE table_name = 'ORDERS';

Which two statements are true about the output? (Choose two.)

Answer: A,C


NEW QUESTION # 276
View the Exhibit and examine the structure of the ORDER_ITEMS table.

You must select the ORDER_ID of the order that has the highest total value among all the orders in the ORDER_ITEMS table.
Which query would produce the desired result?

Answer: C


NEW QUESTION # 277
View the Exhibit and examine the details of PRODUCT_INFORMATIONtable.
PRODUCT_NAME
CATEGORY_ID SUPPLIER_ID
Inkjet C/8/HQ 12 102094
Inkjet C/4 12 102090
LaserPro 600/6/BW 12 102087
LaserPro 1200/8/BW 12 102099
Inkjet B/6 12 102096
Industrial 700/ID 12 102086
Industrial 600/DQ 12 102088
Compact 400/LQ 12 102087
Compact 400/DQ 12 102088
HD 12GB /R 13 102090
HD 10GB /I 13 102071
HD 12GB @7200 /SE 13 102057
HD 18.2GB @10000 /E 13 102078
HD 18.2GB @10000 /I 13 102050
HD 18GB /SE 13 102083
HD 6GB /I 13 102072
HD 8.2GB@5400 13 102093
You have the requirement to display PRODUCT_NAMEfrom the table where the CATEGORY_IDcolumn has values 12or 13, and the SUPPLIER_IDcolumn has the value 102088. You executed the following SQL statement:
SELECT product_name
FROM product_information
WHERE (category_id = 12 AND category_id = 13) AND supplier_id = 102088; Which statement is true regarding the execution of the query?

Answer: B


NEW QUESTION # 278
Examine the description of the PRODUCT_STATUS table:

The STATUS column contains the values 'IN STOCK' or 'OUT OF STOCK' for each row.
Which two queries will execute successfully?

Answer: A,B


NEW QUESTION # 279
......

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