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摘要： PostgreSQL从小白到专家，是从入门逐渐能力提升的一个系列教程，内容包括对PG基础的认知、包括安装使用、包括角色权限、包括维护管理、、等内容，希望对热爱PG、学习PG的同学们有帮助，欢迎持续关注CUUG PG技术大讲堂。 Part 2：PG源代码安装 步骤1 创建用户与环境配置 步骤2 系统内 阅读全文

摘要： PostgreSQL从小白到专家，是从入门逐渐能力提升的一个系列教程，内容包括对PG基础的认知、包括安装使用、包括角色权限、包括维护管理、、等内容，希望对热爱PG、学习PG的同学们有帮助。 Part 1：PG简介 PostgreSQL的特点 PostgreSQL是一个功能强大的开源数据库系统。经过长 阅读全文

摘要： 34、In your database, you want to ensure that idle sessions that are blocking active are automatically terminated after a specified period of time. How 阅读全文

摘要： 33、choose one You are administering a database and you receive a requirement to apply t he following restrictions: 1. A connection must be terminated 阅读全文

摘要： 32、choose one A user establishes a connection to a database instance by using an Oracle Net connection. You want to ensure the following: 1.The user a 阅读全文

摘要： 31、Choose three. Examine these statements: ALTER SYSTEM SET RESOURCE_LIMIT=FALSE SCOPE=BOTH; System altered. CREATE PROFILE dev_users LIMIT SESSIONS_P 阅读全文

摘要： 30、choose one Which statement is true about the DEFAULT profile? A) It can be dropped and recreated. B) It must be explicitly assigned to a user. C) T 阅读全文

摘要： 29、choose one Which statement is true about profiles? A) Resource limits specified in a profile assigned to a user are always enabled. B) A profile ca 阅读全文

摘要： 28、Which four account management capabilities can be configured using Oracle profiles? (Choose four.) A. the number of hours for which an account is l 阅读全文

摘要： Oracle OCP 19c 认证1Z0-082考试题库(第27题)-CUUG内部学员版082题库解析 27、Evaluate the following SQL statement: SQL> select cust_id, cust_last_name "Last name" FROM cust 阅读全文