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所在平台: Udemy |
课程主页: https://www.udemy.com/course/oracle-database-sql-practice-test-qa/
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课程名称:1Z0-071 Oracle数据库SQL实践测试QA 2025 课程概述:您准备好参加Oracle数据库SQL认证助理考试的准备了吗?成为Oracle数据库SQL认证助理,展示您对任何数据库项目所需的基础SQL概念的理解。通过考试,显示您对SQL及其在Oracle数据库服务器上应用的深入了解。课程将帮助您掌握查询、插入、更新和删除SQL语句,以及一些数据定义语言(DDL)和数据控制语言(DCL)、优化器、表和索引、数据建模和规范化知识。通过此考试,认证个人证明自己对SQL语言、数据建模,以及如何在Oracle数据库中创建和操作表的流利度和扎实理解。合格的候选人需要具备一般计算概念、命令行接口知识和命令行工作经验。 考试主题: - 关系数据库概念 - 理解关系数据库的理论和物理方面 - 将SQL选择语句的子句与ERD的组件相关联 - 理解数据库与SQL之间的关系 - 使用SQL SELECT语句检索数据 - 使用列别名、连接运算符、字面字符字符串等 - 使用算术表达式和NULL值 - 限制和排序数据、应用运算符优先级 - 使用单行函数自定义输出 - 操作字符串、数字和日期数据 - 使用转换函数和条件表达式 - 报告聚合数据和使用组函数 - 使用多种连接类型 - 理解和使用笛卡尔积 - 使用子查询解决查询问题 - 使用DML语句管理表 - 执行插入、更新和删除操作 - 管理数据库事务和索引、同义词和序列 - 使用DDL管理表及其关系 - 描述和创建表、列及数据类型 - 管理约束和视图 - 控制用户访问和使用数据字典视图 - 管理在不同时间区的数据 本课程为希望深入了解SQL及其在Oracle数据库中应用的学习者提供了全面的覆盖,帮助您为认证考试做好准备。
Are you ready to prepare for the Oracle Database SQL Certified Associate exam ?Become an Oracle Database SQL Certified Associate and demonstrate understanding of fundamental SQL concepts needed to undertake any database project. Passing the exam illustrates depth of knowledge of SQL and its use when working with the Oracle Database server. Gain a working knowledge of queries , insert, update and delete SQL statements as well as some Data Definition language and Data Control Language, the optimizer, tales and indexes, data modeling and normalization. By passing this exam, a certified individual proves fluency in and a solid understanding of SQL language, data modeling and using SQL to create amd manipulate tables in an Oracle Database. Qualified candidates have knowledge of general computing concepts, knowledge of command line interfaces and experience working in command line.Exam Topics:-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 types