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所在平台: Udemy |
课程主页: https://www.udemy.com/course/oracle-database-sql-1z0-071-ultimate-practice-tests/
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Course Summary: Oracle Database SQL 1Z0-071 Ultimate Practice Tests This Coursera course provides ultimate practice tests for the Oracle Database SQL 1Z0-071 certification exam. This certification is highly regarded for Oracle Database users. The exam is multiple-choice, requiring a minimum of 63% to pass, with 63 questions to be answered within 120 minutes. The practice tests cover all essential topics for the exam, including: * **Relational Database Concepts:** Understanding theoretical and physical aspects, ERD relationships, and the connection between databases and SQL. * **SQL SELECT Statement:** Retrieving data, using column aliases, concatenation, literals, DISTINCT keyword, arithmetic expressions, and handling NULL values. * **Restricting and Sorting Data:** Operator precedence, limiting rows, using substitution variables, DEFINE and VERIFY commands, and data sorting. * **Single-Row Functions:** Customizing output with character, number, and date functions, including ROUND, TRUNC, MOD, and date manipulation. It also covers conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) and conditional expressions like NVL, NULLIF, and COALESCE, along with understanding implicit and explicit data type conversion. * **Aggregated Data:** Reporting data using group functions, restricting group results, creating data groups, and displaying data from multiple tables. * **Multiple Tables and Subqueries:** Using self-joins, various join types (including non-equijoins and outer joins), Cartesian products, and subqueries (single, multiple, and correlated for updates/deletes). * **Set Operators:** Matching SELECT statements, using ORDER BY in set operations, and employing INTERSECT, MINUS, UNION, and UNION ALL. * **Data Manipulation and Transaction Management:** DML statements for managing tables, controlling transactions, and performing INSERT, UPDATE, DELETE, multi-table inserts, and MERGE statements. * **Schema Object Management:** Managing indexes, synonyms, and sequences. * **DDL for Table Management:** Describing and working with tables, columns, data types, creating and dropping tables, truncating tables, and using temporary and external tables. * **Constraints and Views:** Managing constraints and views. * **User Access Control:** Differentiating system and object privileges, granting table privileges, and distinguishing between privileges and roles. * **Data Dictionary Views:** Utilizing data dictionary views for object management. * **Time Zone Management:** Working with data in different time zones, including CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP, and INTERVAL data types. While these practice tests are comprehensive, the instructor strongly advises learners to consult official Oracle guides and documentation as their primary study resource before using these practice tests.
The Oracle Database SQL 1Z0-071 is one of the most prestigious certifications that Oracle provides when it comes to their database - Oracle Database.Upon passing this exam you will not only get a certification badge from Oracle but will most definitely have learned a lot of things!The exam is of a multiple-choice pattern, where you need to focus on 63 questions and get a 63% mark. The duration of the exam is 120 minutes.Topics of this exam are listed below and they are all covered in these practice tests!Relational Database conceptsExplaining the theoretical and physical aspects of a relational databaseRelating clauses in SQL Select Statement to Components of an ERDExplaining the relationship between a database and SQLRetrieving Data using the SQL SELECT StatementUsing Column aliasesUsing The SQL SELECT statementUsing concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keywordUsing Arithmetic expressions and NULL values in the SELECT statementRestricting and Sorting DataApplying Rules of precedence for operators in an expressionLimiting Rows Returned in a SQL StatementUsing Substitution VariablesUsing the DEFINE and VERIFY commandsSorting DataUsing Single-Row Functions to Customize OutputManipulating strings with character functions in SQL SELECT and WHERE clausesPerforming arithmetic with date dataManipulating numbers with the ROUND, TRUNC and MOD functionsManipulating dates with the date functionUsing Conversion Functions and Conditional ExpressionsApplying the NVL, NULLIF, and COALESCE functions to dataUnderstanding implicit and explicit data type conversionUsing the TO_CHAR, TO_NUMBER, and TO_DATE conversion functionsNesting multiple functionsReporting Aggregated Data Using Group FunctionsRestricting Group ResultsCreating Groups of DataUsing Group FunctionsDisplaying Data from Multiple TablesUsing Self-joinsUsing Various Types of JoinsUsing Non equijoinsUsing OUTER joinsUnderstanding and Using Cartesian ProductsUsing Subqueries to Solve QueriesUsing Single Row SubqueriesUsing Multiple Row SubqueriesUpdate and delete rows using correlated subqueriesUsing SET OperatorsMatching the SELECT statementsUsing the ORDER BY clause in set operationsUsing The INTERSECT operatorUsing The MINUS operatorUsing The UNION and UNION ALL operatorsManaging Tables using DML statementsManaging Database TransactionsControlling transactionsPerform Insert, Update and Delete operationsPerforming multi table InsertsPerforming Merge statementsManaging Indexes Synonyms and SequencesManaging IndexesManaging SynonymsManaging SequencesUse DDL to manage tables and their relationshipsDescribing and Working with TablesDescribing and Working with Columns and Data TypesCreating tablesDropping columns and setting column UNUSEDTruncating tablesCreating and using Temporary TablesCreating and using external tablesManaging ConstraintsManaging ViewsManaging ViewsControlling User AccessDifferentiating system privileges from object privilegesGranting privileges on tablesDistinguishing between granting privileges and rolesManaging Objects with Data Dictionary ViewsUsing data dictionary viewsManaging Data in Different Time ZonesWorking with CURRENT_DATE, CURRENT_TIMESTAMP,and LOCALTIMESTAMPWorking with INTERVAL data typesPlease note that although my practice tests cover all the topics and explain everything in detail they MUST NOT BE YOUR ONLY SOURCE to study.I strongly suggest you go to my practice tests only after you've went through all the official guides and documentation you can find.
