1z0-067日本語 日本語試験対策、1z1-333 復習対策 & 1z0-336 資格取得講座


Oracle and Structured Query Language (SQL



    • Identify the connection between an ERD and a Relational Database


    • Explain the relationship between a database and SQL


    • Describe the purpose of DDL 


    • Describe the purpose of  DML 


  • Build a SELECT statement to retrieve data from an Oracle Database table


Restricting and Sorting Data 



    • Use the ORDER BY clause to sort SQL query results


    • Limit the rows that are retrieved by a query


    • Use ampersand substitution to restrict and sort output at runtime


  • Use SQL row limiting clause


Using Single-Row Functions to Customize Output 



    • Use various types of functions available in SQL


  • Use character, number, and date and analytical (PERCENTILE_CONT, STDDEV, LAG, LEAD) functions in SELECT statements


Using Conversion Functions and Conditional Expressions 



    • Describe various types of conversion functions that are available in SQL


    • Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions


  • Apply general functions and conditional expressions in a SELECT statement


Reporting Aggregated Data Using the Group Functions 



    • Describe the use of group functions


    • Group data by using the GROUP BY clause


  • Include or exclude grouped rows by using the HAVING clause


Displaying Data from Multiple Tables 



    • Describe the different types of joins and their features


    • Use SELECT statements to access data from more than one table using equijoins and nonequijoins


    • Join a table to itself by using a self-join


  • View data that generally does not meet a join condition by using outer joins


Using Subqueries to Solve Queries 



    • Define subqueries


    • Describe the types of problems subqueries can solve


    • Describe the types of subqueries


    • Query data using correlated subqueries


    • Update and delete rows using correlated subqueries


    • Use the EXISTS and NOT EXISTS operators


    • Use the WITH clause


  • Use single-row and multiple-row subqueries


Using the Set Operators 



    • Describe set operators


    • Use a set operator to combine multiple queries into a single query


  • Control the order of rows returned


Manipulating Data 



    • Truncate data


    • Insert rows into a table


    • Update rows in a table


    • Delete rows from a table


  • Control transactions


Using DDL Statements to Create and Manage Tables 



    • Describe data types that are available for columns


    • Create a simple table


    • Create constraints for tables


    • Drop columns and set column UNUSED


  • Create and use external tables


Managing Objects with Data Dictionary Views 



  • Query various data dictionary views


Controlling User Access 



    • Differentiate system privileges from object privileges


    • Grant privileges on tables and on a user


  • Distinguish between privileges and roles


Managing Schema Objects 



    • Describe how schema objects work


    • Create simple and complex views with visible/invisible columns


    • Create, maintain and use sequences


    • Create and maintain indexes including invisible indexes and multiple indexes on the same columns


  • Perform flashback operations


Manipulating Large Data Sets



    • Describe the features of multitable INSERTs


  • Merge rows in a table

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