oracle sql certification path

Tags: china-pub computer OracleThis is a high quality pre-sale recommendation of Computer class OCA Certification Exam Guide (1z0-061) Oracle Database 12c SQL Foundation ". Oracle Certified Master (OCM) 's latest work, the OCA Certification exam official book, covers all O

mentioned earlier, as a huge database system, it is not easy to master Oracle from any angle if you want to master Oracle. Unless you have enough determination and patience to take Oracle as your career path and focus on database technology research, you can truly understand the essence of this complex system. The fol

How to Learn: Oracle SQL learning path (4): Analyzing function statistics (2) Preface I have written several blog posts about analysis functions. However, I have always been not satisfied with what I wrote, and I cannot tell where the problem is. The biggest problem is that I am not satisfied, but completely confused, and where I am not satisfied, what should I s

');insertintocoursevalues (' c009 ', ' PHP ', ' t003 '); insert intocoursevalues (' c010 ', ' EJB3.0 ', ' t002 '); commit;/*************** Initialization score Table **************** /insertintoscvalues (' s001 ', ' c001 ', 78.9); insertintoscvalues (' s002 ', ' c001 ', 80.9);insertintoscvalues (' s003 ', ' c001 ', 81.9); Insertinto scvalues (' s004 ', ' c001 ', 60.9);insertintoscvalues (' s001 ', ' c002 ', 82.9); insertintoscvalues (' s002 ', ' c002 ', 72.9);insertintoscvalues (' S003 ', ' c0

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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

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

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

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

The path to installing and detaching Oracle databases: The Path to oracle databases ========================================================== ============================================== ====================================== 1. If there are two files when installing the database, you need to merge the two files bef

Oracle learning path (4): oracle learning pathLOB type ORACLE provides the LOB (Large OBject) type for storing Large data objects. ORACLE currently supports the BFILE, BLOB, CLOB, and NCLOB types. NCLOBStores large NCHAR character data types. Each variable stores the loca

Optimize SQL Execution path to improve report performance and SQL Execution path report When performance problems occur in reports and data source computing needs to be optimized, it is difficult to determine the execution path. Therefore, intervention is one of the challeng

Oracle learning path (5) ----- General oracle data type operations, oracle ----- oracle1. Some common Operators Operator Meaning = Equal Not equal Less > Greater Less than or equal > = Greater than or equal

Oracle's traditional Export and Import are retained to 11 GB, and many enterprises still use Export and Import to back up and restore 9i and 10 Gb. Since Oracle 7.3, the traditional exp Export Program provides two Export Path methods: Conventional Path Export and Direct Path Export ). This article describes the perform

Move the redo file path, the default redo log file path is the same as the Archivelog path, in the flashback area, because the flash back zone has a size limit, so redo log and archive log, especially archive log, will burst into the flashback zone. For the sake of specification, redo log and archive log must be placed in a separate

://sharklove.itpub.net/post/660/279771 Direct path write (user I/0 class) Http://sharklove.itpub.net/post/660/279774 Direct path read (user I/0 class) Http://sharklove.itpub.net/post/660/279772 Iii. Example Description of the script for viewing session statistics in Oracle Http://blog.csdn.net/tianlesoftware/article/details/7689450 Explain the

Comparison of two-live solutions: ASM vs V-plexWang WenjieOracle Company Principle System AnalystOracle Advanced ServicesThe evolution of Oracle Database Center disaster Recovery has evolved over the years from initial cold backup, to hot backup, to storage replication, to Dg,adg,rac one node, RAC, and eventually to the hottest dual-live dual-center architecture, This is the remote RAC (Extended RAC) we often call.General pre-Sales engineers to realiz

charactersv_to_day := TO_CHAR(SYSDATE, ‘yyyy.mm.dd hh24:mi:ss‘) ; 2015/6/12by LYH declare strchar(10):=‘100.0‘; int:=421; int; begin total:=TO_NUMBER(str)+i; Dbms_Output.put_line(TO_CHAR(total)); end;5. Scope and visibility of variablesIn PL/SQL programming, if there is no uniformity in the definition of a variable, some dangerous errors may be hidden, mainly due to the scope of the variable. The scope of a variable refers to the effecti

Oracle learning path (5) ----- General oracle data type operations1. Some common Operators Operator Meaning = Equal Not equal Less > Greater Less than or equal > = Greater than or equal + Plus sign - Minus sign * Multi

Oracle learning path (2) ------ use of array type/record type, oracle ------Oracle record types RECORD: A composite data type consisting of scalar values in multiple columns of a single row, it encapsulates one or more scalar values into one object for operation record. It cannot be compared in general or be judged as