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Oracle Database SQL
SQL forms the cornerstone of all relational database operations. The ability to write the SQL language is essential for those who develop database applications. This course provides a solid foundation of the SQL programming language that enables students to build, query and manipulate databases.
COURSE CONTENT:
INTRODUCTION TO STRUCTURED QUERY LANGUAGE (SQL)
• 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 USING SINGLE-ROW FUNCTIONS TO CUSTOMIZE OUTPUT
• Use various types of functions available in SQL
• Use character, number, and date and analytical 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 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 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
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
• Create, maintain and use sequences
• Create and maintain indexes including invisible indexes and multiple indexes on the same columns
• Perform flashback operations MANAGING OBJECTS WITH DATA DICTIONARY VIEWS
• Using data dictionary views MANAGING DATA IN DIFFERENT TIME ZONES
• Working with CURRENT_DATE, CURRENT_TIMESTAMP,and LOCALTIMESTAMP
• Working with INTERVAL data types
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