Explain the various features of java.2. Differentiate between Java and C++.3. DefineWeb browsers. Write down the various types of web browsers.4. Explain the Java environment.5. Define World Wide Web. Name and explain the different web browsers. CHAPTER-31.What are the different control ...
In cases where there is an alternative plan that performed better than the plan generated by the optimizer, the first step in diagnosing why the Optimizer picked the sub-optimal plan is to visually inspect both of the execution plans. Examining the different aspects of an execution plan, from ...
Step1. 通过对应的User或者其他信息查找Session ID Step2. 通过Session_ID查看该SQL_ID历史的解析计划变换 Step3. 如果最近发生解析计划变更,并导致效率变慢,通过Profile绑定之前的解析计划 Step4. 确定解析计划是否绑定 Step5. 如果脚本还在运行,让客户停掉脚本,并重新运行,以测试绑定的新的解析计划是否满足期望 St...
Using explain plans and trace statements developers can examine how queries are executed, in what order clauses are executed and the effect of a given index. Both of these features can be executed from both the command line, or from within an applications code. Providing an easy to use robus...
12) Portable :The portability actually comes from architecture-neutrality. In C/C++, source code may run slightly differently on different hardware platforms because of how these platforms implement arithmetic operations. In Java, it has been simplified. ...
Object-oriented programming languages provide some unique features like inheritance, use of class & objects, polymorphism, encapsulation, data abstraction. Most of these languages like C++, Java, Python, etc. allow them in various forms. Inheritance is mainly used to implement the same code multiple...
Briefly describe the in-memory structures that may be used to implement a file system. Briefly describe the different levels of RAID with their key features. What is the difference between class and id in HTML? What are the advantages of distributed data processing?
• In object-oriented programming, data integrity and data security is high as it focuses on the data and its protection from manipulation by different parts of the program. As a result, object-oriented programs are less error-prone, more reliable and secure. • Object-oriented programs are...
For DB2 for z/OS:If you specify different values for CURRENT SCHEMA and CURRENT SQLID, Visual Explain searches for explain tables that are qualified by the value of CURRENT SQLID. If Visual Explain does not find explain tables that are qualified by the value of CURRENT SQLID, Visual Explain...
The plot above explains ten outputs (digits 0-9) for four different images. Red pixels increase the model's output while blue pixels decrease the output. The input images are shown on the left, and as nearly transparent grayscale backings behind each of the explanations. The sum of the SH...