how to prepare for oracle sql certification

{Describe | DESC} table_name[Col_name -- supports wildcard % _]: Explain table_name: Explain[Extended | Partions]Select clause; -- Get the statement execution plan Use db_name; Change the current database, Prepare prepared_statement_name from {'text constant '| text variable }; Text can be a lot of single SQL statements, not just select, insert, delete, update. The text cannot be multip

Core words: Chongqing si Zhuang, Oracle Technical Support Phone: 023-68429836,oracle database Migration, Oracle Database Upgrade service, Oracle cannot start, Oracle slow, Oracle database hangs, node exception restarts, cannot con

Finally put OCP DBA's course all finished, tired Ah! Overall Oracle certification is worth the test. I have CCNP, MCSE certificate, but through the DBA examination, feel not only deepened the understanding of modern databases, but also enrich the knowledge structure of computer science. I think, in some ways, Oracle databases even have some operating system capab

explicitly inserted; METADATA-ONLY default value refers to the default value specified when a new column is added, and the difference in 11g is that, the default value of 11g must be not null. 3. extend the length limit of multiple data types: Increase the VARCHAR2, NVARCHAR2, and RAW types to 32 K, set compatibility to 12.0.0.0 or above, and set the initialization parameter MAX_ SQL _STRING_SIZE to EXTENDED, this function does not support CLUSTER ta

Learn the skills that Oracle should prepare First, database skills:Database architecture, basic concepts and basic theories, database management, backup, recovery, SQL development, PLSQL development, and use of tools. Operating System skills:Linux/Unix systems should have a considerable foundation. Understand concepts related to storage such as RAID, RAW, ASM,

Before you start About this series These six DB2 SQL Procedure Developer Tutorials Discuss all the basic constructs and methods of SQL procedural Language, and explain how to use SQL procedural Language in stored procedures, UDF, and triggers. Includes error handling and deployment. Also discusses some of the DB2 9.5 advanced features, such as optimistic locks,

Oracle Exams IntroductionThe OCP (Oracle Certified Professional) is an authoritative and professional technical standard promulgated and implemented by Oracle, which is designed to certify those who are able to meet the service and support of Oracle core products, and has a skilled ability to operate with a wide range

First, database skills: database architecture, Basic concepts and basic theory, database management, Backup, recovery, SQL Development, Plsql development, use of tools, and so on. operating system-related skills :theLinux/unixsystemthere should be quite a basis. UnderstandingRAID,RAW,ASM,LVM,OCFSequals storage-related concepts that can be installedOraclesoftware and patching, upgrade system, etc., can be used skillfullyLinux/unixCommon commands:rpm,C

Before you start About this series Are you considering participating in the DB2 SQL Procedure Developer certification exam (exam 735)? If so, you come to the right place. These six DB2 certifications prepare tutorials to discuss all the basics of the topics you need to know before taking an exam. Even if you're not going to take the

Tags: 11g OCP database Oracle Certification Exam Exam QuestionsQUESTION 1You notice the performance of the database have degraded because of frequent checkpoints.Which resolve the issue? (Choose.)A. Disable Automatic checkpoint TuningB. Check the size of the redo log file size and increase the size if it is smallC. Set the Fast_start_mttr_target parameter as per the advice given by the MTTR AdvisorD. Decrea

Before you start About this series Are you trying to get DB2 SQL Procedure Developer authentication (Exam 735)? If so, then you come to the right place. This series of 6 DB2 certification Preparation Tutorials covers all the basics-what you need to understand before you look at the first exam topic. Even if you're not going to get certified right away, this tutorial is perfect for you to start learning ab

QUESTION 2Identify the memory component from which memory is allocated for:session memory for the shared server, buffers for I/O Slaves Oracle Database Recovery Manager (RMAN) Backup and restore operationsA. Large PoolB. Redo Log BufferC. Database Buffer CacheD. Program Global Area (PGA)Correct answer:a Explanation/reference:Large PoolThe large pool is a optional memory area intended for memory allocations, is larger than was appropriate

Before you start About this series This six-part series on DB2 SQL Procedure Developer describes all the basic constructs and methods of SQL procedural Language, and explains how to use it in stored procedures, user-defined functions, and triggers, including error handling and deployment. Also describes some of the DB2 9.5 advanced features, such as optimistic locking, layered queries, and declared global

C_number:=a_number; C_number=outer_block. B_number; End Sub_block; End Out_block; Summary In this article we introduced the basic syntax of pl/sql and how to design and run the PL/SQL program block using the Pl/sql language, and integrate the PL/SQL program into the Oracle