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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 2: Manipulating Data | 14% | - Describe each data manipulation language (DML) statement - Control transactions - Insert rows into a table - Update rows in a table - Delete rows from a table |
| Topic 3: Using DDL Statements to Create and Manage Tables | 14% | - Create a simple table - Categorize the main database objects - Drop, rename, and truncate tables - Review the table structure - Describe the data types that are available for columns - Alter table definitions |
| Topic 4: Working with Oracle Database SQL | 8% | - Explain the installation of Oracle Database software - Describe the Oracle Database architecture - Create a container database - Start up and shut down a database |
| Topic 5: Using Single-Row Functions to Customize Output | 10% | - Manipulate strings with character function in the SELECT and WHERE clauses - Describe the differences between single-row and multiple-row functions - Manipulate dates with the date functions - Perform arithmetic with date data - Manipulate numbers with the ROUND, TRUNC, and MOD functions |
| Topic 6: Controlling User Access | 5% | - Distinguish between granting privileges and roles - Differentiate system privileges from object privileges - Grant privileges on tables and on a view |
| Topic 7: Reporting Aggregated Data Using Group Functions | 15% | - Describe the use of group functions - Include or exclude grouped rows by using the HAVING clause - Identify the available group functions - Group data by using the GROUP BY clause |
| Topic 8: Using Set Operators | 5% | - Describe set operators - Describe the order of precedence when the set operators are used - Use a set operator to combine multiple queries into a single query |
| Topic 9: Using Conversion Functions and Conditional Expressions | 10% | - Use conditional IF THEN ELSE logic in a SELECT statement - Describe implicit and explicit data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions to data |
| Topic 10: Creating Other Schema Objects | 10% | - Create, modify, and retrieve data from a view - Create, maintain, and use sequences - Create synonyms for database objects - Create and maintain indexes |
| Topic 11: Using Subqueries to Solve Queries | 15% | - Describe the types of problems that subqueries can solve - List the types of subqueries - Define subqueries - Write single-row and multi-row subqueries |
| Topic 12: Retrieving Data Using the SQL SELECT Statement | 5% | - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Differentiate between SQL statements and SQL*Plus commands |
| Topic 13: 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 |
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NEW QUESTION # 435
You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
1) Be stored in a format supporting date arithmetic without using conversion functions
2) Store a load period of up to 10 years
3) Be used for calculating interest for the number of days the loan remains unpaid Which data type should you use?
Answer: D
NEW QUESTION # 436
View the exhibit and examine the description for the SALESand CHANNELStables.
You issued this SQL statement:
Which statement is true regarding the result?
Answer: C
NEW QUESTION # 437
Which statement is true about aggregate functions?
Answer: C
Explanation:
B: True. The MAX and MIN functions can be applied to columns with character data types. These functions will return the highest or lowest values in a set of rows, based on alphabetical order for character data. This allows these aggregate functions to be versatile and useful across different data types, including numerical, date, and character types.
NEW QUESTION # 438
Examine the command:
What does ON DELETE CASCADE Imply?
Answer: D
NEW QUESTION # 439
Examine this description of the PRODUCTS table:
Rows exist in this table with data in all the columns. You put the PRODUCTS table in read-only mode.
Which three commands execute successfully on PRODUCTS?
Answer: B,D,E
NEW QUESTION # 440
......
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