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510-026, Sybase Ase Sql Developer Learning Exam
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510-026, Sybase ASE SQL Developer Professional Exam (Version 15.0) passing rate is seventy percent covering sixty percent multiple choices in a matter of ninety minutes. You can understand about this certification exam more when you have the idea of the exam syllabus which we have also given in their article to help out the exam takers or the ones that are interested.
510-026, Sybase ASE SQL Developer Professional Exam (Version 15.0) is divided in to various sections and hence we will state the content in the same way.
First section is what’s New in ASE 15 covering nine questions included are which local/global indexes on partitioned tables, aspects of insensitive/semi-sensitive scrollable cursors, metrics capture, new commands for getting optimizer information, ASE 15.0 optimization goals and their impact on query plans and various join types such as hash joins, merge joins, NLJ, N-ray NLJ,
Second section is ASE Performance and Tuning Basics covering two questions that include tradeoffs of performance & tuning - with an emphasis on code, steps involved in executing a query and query plan information to be viewed. Section three is Logical and Physical Design covering two questions that include Entities, Relationships & Attribute cardinality, renormalization techniques, Assess a relational data model, data access via clustered and non-clustered index, derived tables, intra-row derived columns and inter-row derived columns and learning about First, Second and Third Normal Form.
Section four is 510-026, Sybase ASE SQL Developer Professional Exam (Version 15.0) ANSI SQL – DDL covering five questions and includes the definition of how to create tables, views, indexes, system and user-defined data types, column properties such as null and identity, temporary tables, ASE data types, different partitioning strategies, the use of create table and create index commands and partitioning options with alter table.
The next one is ANSI SQL - DML constituting of five questions that include the learning for data manipulation of cursors, important clauses of DML statements, performance and tuning aspects of DML statements, such as direct and deferred updates, Understand computed columns and techniques to promote the most efficient update method.
Sixth section is Query Access Methods covering five questions which includes table scans versus clustered and no clustered index scans, range queries, point queries, and covered queries, how ASE accesses data in selects, inserts, deletes, and updates, factors affecting page usage, I/O for a select using a non-clustered index, performance benefits of using indexes, possibilities of how 'select' finds data, bulk copy and BCP commands and logging & minimally-logged operations.
Seventh one is Query Optimization covering nine questions that includes the 510-026, Sybase ASE SQL Developer Professional Exam (Version 15.0) 'Or Strategy' and show plan, plus options, optimization 'set' command tools, Use of Abstract Plans, the optimizer selected serial or parallel access, Procedure Cache & explain how stored procedures are processed, factors for setting Prefect at the Query-Level, Query Degradation, internal working tables are created in tempt or in memory, to take maximum advantage of optimizer features, the optimizer analyzes search arguments (SARG), guidelines to minimize join related performance problems and factors of Sub query Optimization.
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