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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Using Subqueries to Solve Queries | 15% | - Describe the types of problems that subqueries can solve - List the types of subqueries - Write single-row and multi-row subqueries - Define subqueries |
| Topic 2: Using Conversion Functions and Conditional Expressions | 10% | - Describe implicit and explicit data type conversion - Use conditional IF THEN ELSE logic in a SELECT statement - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions to data |
| Topic 3: Using Set Operators | 5% | - Describe set operators - Use a set operator to combine multiple queries into a single query - Describe the order of precedence when the set operators are used |
| Topic 4: Using Single-Row Functions to Customize Output | 10% | - Describe the differences between single-row and multiple-row functions - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Perform arithmetic with date data - Manipulate dates with the date functions |
| Topic 5: Manipulating Data | 14% | - Control transactions - Insert rows into a table - Describe each data manipulation language (DML) statement - Update rows in a table - Delete rows from a table |
| Topic 6: Controlling User Access | 5% | - Grant privileges on tables and on a view - Differentiate system privileges from object privileges - Distinguish between granting privileges and roles |
| Topic 7: Reporting Aggregated Data Using Group Functions | 15% | - Include or exclude grouped rows by using the HAVING clause - Describe the use of group functions - Identify the available group functions - Group data by using the GROUP BY clause |
| Topic 8: Retrieving Data Using the SQL SELECT Statement | 5% | - List the capabilities of SQL SELECT statements - Differentiate between SQL statements and SQL*Plus commands - Execute a basic SELECT statement |
| Topic 9: Displaying Data from Multiple Tables Using Joins | 15% | - Cross join tables - Join a table to itself by using a self-join - View data that does not meet a join condition by using outer joins - Write SELECT statements to access data from more than one table using equijoins and non-equijoins |
| Topic 10: Working with Oracle Database SQL | 8% | - Create a container database - Explain the installation of Oracle Database software - Start up and shut down a database - Describe the Oracle Database architecture |
| Topic 11: Restricting and Sorting Data | 6% | - Sort the rows that are retrieved by a query - Limit the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime - Use DEFINE and UNDEFINE commands |
| Topic 12: Creating Other Schema Objects | 10% | - Create, maintain, and use sequences - Create and maintain indexes - Create, modify, and retrieve data from a view - Create synonyms for database objects |
| Topic 13: Using DDL Statements to Create and Manage Tables | 14% | - Create a simple table - Categorize the main database objects - Describe the data types that are available for columns - Drop, rename, and truncate tables - Review the table structure - Alter table definitions |
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NEW QUESTION # 139
You must create a SALES table with these column specifications and data types: (Choose the best answer.) SALESID: Number STOREID: Number ITEMID: Number QTY: Number, should be set to 1 when no value is specified SLSDATE: Date, should be set to current date when no value is specified PAYMENT: Characters up to 30 characters, should be set to CASH when no value is specified Which statement would create the table?
Answer: A
NEW QUESTION # 140
Examine the commands used to create DEPARTMENT_DETAILSand COURSE_DETAILS tables:
You want to generate a list of all department IDs that do not exist in the COURSE_DETAILStable.
You execute the SQL statement:
What is the outcome?
Answer: B
NEW QUESTION # 141
Evaluate the following CREATE TABLE command:
Which statement is true regarding the above SQL statement?
Answer: D
NEW QUESTION # 142
Which two are true about granting privilege on objects?
Answer: A,B
Explanation:
C . True, the owner of an object automatically has all object privileges for that object by default. This is an inherent property of the object owner in Oracle.
D . True, to allow the creation of foreign key constraints that reference a particular table, the owner of the table must grant the REFERENCES privilege on the key columns to other users or roles.
A, B, and E are not correct because: A. Object privileges can be granted to a role by any user with the appropriate permissions, not only by the owner. B. Object privileges can also be granted by users who have been given the privileges with the WITH GRANT OPTION, not just by the owner. E. The WITH GRANT OPTION is not limited to DBA users; it can be used by any user who has the privilege to grant a specific object privilege.
Reference:
Oracle documentation on object privileges: Oracle Database SQL Language Reference Oracle documentation on the REFERENCES privilege: Oracle Database Security Guide
NEW QUESTION # 143
Which statement correctly grants a system privilege?
Answer: D
NEW QUESTION # 144
......
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