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via Udemy |
Go to Course: https://www.udemy.com/course/oracle-sql-from-beginning-to-advance-level-2025/
Certainly! Here's a comprehensive review, detailing, and recommendation for the Coursera course on Oracle Database: --- **Course Review: Introduction to Oracle Database on Coursera** This course offers an extensive deep dive into the fundamentals and advanced topics of Oracle Database, making it an excellent choice for beginners and intermediate learners aiming to master Oracle SQL and database management. Spanning from the basics of databases to intricate SQL operations and database object management, the course provides a robust curriculum that equips students with practical skills necessary for real-world applications. **Course Content and Coverage** The course begins with foundational concepts, including an introduction to what a database is and the history of Oracle Database. It covers installation procedures for Oracle Database versions 21c and the setup of essential tools like SQL Developer and SQL*Plus, ensuring students can establish their working environment effectively. Moving forward, it delves into SQL—covering types of SQL statements (DQL, DML, DDL, DCL, TCL), data types in Oracle, and how to perform data retrieval with SELECT statements. Practical exercises on creating and modifying tables, understanding table structures, and managing data using INSERT, UPDATE, DELETE, and MERGE commands are thoroughly explained. The course also examines complex SQL topics, including joins (inner, outer, cross, natural), aliases, and built-in functions (string, numeric, date, conversion, aggregate functions). It introduces subqueries, analytical functions, set operators, and sophisticated techniques like pivoting and hierarchical queries, ensuring students grasp advanced data manipulation and retrieval methods. Additional modules cover crucial database objects such as indexes, sequences, views, materialized views, synonyms, and concepts like constraints, constraints management, and data dictionary usage. Topics like recovery using Flashback, system variables setup, and database performance tuning are also included, offering a holistic understanding of Oracle Database management. **Strengths of the Course** - **Comprehensive Curriculum:** Covers nearly all critical aspects of Oracle Database, from installation to advanced SQL and database objects. - **Hands-On Approach:** Practical exercises on SQL statements, table creation, modifications, and data retrieval reinforce learning. - **Clear Explanations:** Concepts are explained in an accessible manner, making complex topics understandable. - **Up-to-date Content:** Includes recent features from Oracle Database 21c, aligning with current industry standards. - **Resource Rich:** Provides ample examples, exercises, and references to Oracle documentation. **Recommendations** This course is highly recommended for aspiring database administrators, developers, and data analysts who want a solid grounding in Oracle Database fundamentals and advanced SQL techniques. To maximize learning: - Follow along actively with the practical exercises. - Practice by setting up your own database environment. - Explore additional Oracle documentation for deeper understanding. **Conclusion** Overall, the "Introduction to Oracle Database" course on Coursera is an excellent resource that balances theory with practical application. Its comprehensive content makes it suitable for learners aiming to build a strong foundation in Oracle Database management and SQL programming. Whether starting your database career or enhancing your existing skills, this course provides valuable knowledge to propel you forward. **Rating:** 4.8/5 --- Feel free to customize this review further based on your personal experience or specific interests!
Introduction of Oracle DatabaseWhat is a DatabaseIntroduction Oracle DatabaseHistory of Oracle DatabaseInstallation of Oracle DatabaseDownloading and Installation of and 21C Oracle DatabaseDownloading and setup of SQL Developer-23Logging on to the Oracle Database using SQL*Plus and introduction of SQL Developer (tool to develop of SQL statements)Setup the Test / work environmentIntroduction of SQL and Creating Tables in Oracle DatabaseIntroduction to SQLTypes the types of SQL statements - DQL, DML, DDL, DCL and TCLData types in Oracle databaseRetrieving data using SELECT statement i.e. displaying data from a table for all Columns and Specific ColumnsIntroduction of dummy tableTypes of Operators in Oracle database - Arithmetic, Relational, Logical, Special OperatorsDDL commandsIntroduction to DDL commands in Oracle databaseCreating Tables in Oracle Database using CREATE statementDisplaying the table structure (DESCRIBE) in command SQL*Plus and in SQL DeveloperAltering / modifying table i.e. adding a new column in the tableModifying the column data type in the tableRenaming and deleting the column of the tableRenaming the tableDropping the table using DROP commandRecyclebin and Flashback to recover dropped tableDML statements (Data retrieving)Introduction to DML statements in Oracle databaseInserting data in the tableUpdating the data using UPDATE in the table - updating records in certain criteria or updating the whole tableDeleting the data using DELETE in the table - single record or deleting whole table dataMerge commandDifference in Delete and truncate statementsSQL OperatorsWhat is Dual table?What is SQL Operator?Arithmetic OperatorsComparison Operators / Relational OperatorsLogical Operator - AND, OR etc.What is NULL?Special Operator - IN / NOT IN, BETWEEN / NOT BETWEEN, IS NULL / IS NOT NULL, LIKE / NOT LIKE, ANY / ALLIntroduction of Joins i.e. retrieving data from multiple tablesTable alias and column aliasIntroduction of joinsOracle 8i joins - Equi or Inner, Non-Equi, Self, Outer JoinsOracle 9i / ANSI joinso Inner joino Left Outer joino Right Outer joino Full outer joino Natural joino Cross joinIntroduction of Built-in FunctionsIntroduction of FunctionsTypes of single row functionso String functionso Numeric functionso Date functionsConversion functionso Convert date type string to Date valueo Convert number type to character / string typeo Convert date type to character / string typeAggregate Functions (Multiple Rows Functions) in SQLDISTINCT keyword in SELECT statementIntroduction of Aggregate FunctionsTypes of Aggregate Functionso Count()o Maximum - MAX()o Minimum - MIN()o Average - AVG()o Sum()Introduction of Group By clauseIntroduction of Having clauseRollup, Cube and ListAgg FunctionsSub-QueriesROWNUMROWIDTypes of Sub-QueriesExists and Not Exists OperatorAnalytical FunctionsTypes of Analytical Functionso Rank(), Dense_Rank() and Row_number()o Lag() and Lead()o First_Value() and Last_Value()o Grouping() and Grouping_id()Set OperatorsTypes of Set operators - UNION, UNION ALL, INTERSECT, MINUSOracle Data Dictionary and other topicsIntroduction of Oracle Data DictionaryIntroduction of Index in Oracle DatabaseIntroduction of Sequence in Oracle DatabaseIntroduction of View in Oracle DatabaseIntroduction of Materialized View in Oracle DatabaseIntroduction of Synonym in Oracle DatabaseDecode and Case statementMerge statementVirtual ColumnPivotingHierarchical QuerySet System Variableso LINESIZEo NUMWIDTHo NUMFORMATo PAGESIZEo ECHO ON/OFFo FEEDBACK ON/OFFo HEADING ON/OFFo PAUSE ON / OFFo VERIFY ON / OFFo Date FormatConstraintsIntroduction of Constraints in Oracle Databaseo NOT NULLo DEFAULTo UNIQUEo CHECKo PRIMARY KEYo FOREIGN KEY (Referential Integrity)