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Oracle 1z1-071 Exam Syllabus Topics:

SectionObjectives
Topic 1: Relational Database Concepts- Data types and database objects overview
- Tables, rows, columns, and relational model basics
Topic 2: SQL Retrieval- Joins and set operations
  • 1. INNER, OUTER, CROSS joins
    • 2. UNION, INTERSECT, MINUS
      - SELECT statements and filtering data
      • 1. ORDER BY and row limiting
        • 2. WHERE clause and conditions
          Topic 3: Data Manipulation and Schema Objects- DDL operations
          • 1. CREATE, ALTER, DROP tables and constraints
            - DML operations
            • 1. INSERT, UPDATE, DELETE, MERGE
              Topic 4: SQL Functions- Single-row functions
              • 1. Character, numeric, date functions
                - Conversion and conditional functions
                • 1. TO_CHAR, TO_NUMBER, CASE expressions
                  Topic 5: Subqueries and Advanced SQL- Correlated subqueries and nested queries
                  - Single-row and multi-row subqueries

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                  Oracle Database SQL Sample Questions (Q322-Q327):

                  NEW QUESTION # 322
                  Evaluate the following CREATE TABLE commands:
                  CREATE_TABLE orders
                  (ord_no NUMBER (2) CONSTRAINT ord_pk PRIMARY KEY,
                  ord_date DATE,
                  cust_id NUMBER (4) );
                  CREATE TABLE ord_items
                  (ord _no NUMBER (2),
                  item_no NUMBER(3),
                  qty NUMBER (3) CHECK (qty BETWEEEN 100 AND 200),
                  expiry_date date CHECK (expiry_date> SYSDATE),
                  CONSTRAINT it_pk PRIMARY KEY (ord_no, item_no),
                  CONSTARAINT ord_fk FOREIGN KEY (ord_no) REFERENCES orders (ord_no) );
                  The above command fails when executed. What could be the reason?

                  Answer: C


                  NEW QUESTION # 323
                  Examine the description of the EMPLOYEES table

                  You write this failing statement:
                  SELECT dept_no AS department_id, MAX (salary) As max_sal
                  FROM employees
                  WHERE salary >10000
                  GROUP BY department_id
                  ORDER BY max_sal;
                  Which clause causes the error?

                  Answer: A


                  NEW QUESTION # 324
                  Examine these SQL statements that are executed in the given order:
                  CREATE TABLE emp
                  (emp_no NUMBER (2) CONSTRAINT emp_emp_no_pk PRIMARY KEY,
                  ename VARCHAR 2 (15),
                  salary NUMBER (8, 2),
                  mgr_no NUMBER(2) CONSTRAINT emp_mgr_fk REFERENCES emp (emp_no));
                  ALTER TABLE emp
                  DISABLE CONSTRAINT emp_emp_no_pk CASCADE;
                  ALTER TABLE emp
                  ENABLE CONSTRAINT emp_emp_no_pk;
                  What will be the status of the foreign key EMP_MGR_FK?

                  Answer: D


                  NEW QUESTION # 325
                  View and Exhibit and examine the structure and data in the INVOICEtable.

                  Which two statements are true regarding data type conversion in query expressions? (Choose two.)

                  Answer: B,D


                  NEW QUESTION # 326
                  Examine the structure of the SALES table. (Choose two.)

                  Examine this statement:

                  Which two statements are true about the SALES1 table? (Choose two.)

                  Answer: A,D


                  NEW QUESTION # 327
                  ......

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