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Temario<\/h2>\n
Introduction<\/p>\n
Identify the purpose of the clauses in the SELECT statement
\nDescribe the key differences among the IBM DB2 platforms
\nDescribe and use some of the OLAP features of DB2, such as GROUPING functions like CUBE and ROLLUP, and the RANK, DENSE_RANK and ROW_NUMBER functions
\nCreate Objects<\/p>\n
Code statements to: Create tables and views, Alter tables, Create indexes, Implement referential integrity (RI), and Define triggers and check constraints
\nIdentify impacts and advantages of referential integrity, including impacts of delete rules
\nIdentify considerations when using triggers and check constraints
\nDefine and make use of INSTEAD OF triggers
\nJoin<\/p>\n
Retrieve data from more than one table via inner and outer joins
\nUse outer joins (LEFT, RIGHT, FULL)
\nUse ANTI JOINS
\nJoin a table to itself
\nUse UNION and UNION ALL
\nUse EXCEPT and INTERCEPT
\nCASE, CAST, Summary Tables, and Materialized Query Tables<\/p>\n
Identify when CASE expressions can be used
\nCode CASE expressions in SELECT list and in the WHERE clause
\nIdentify when CAST specifications can be used
\nIdentify the advantages of using Summary (Materialized Query) Tables and Temporary tables
\nIdentify the advantages of using Materialized Query Tables (MQTs)
\nIdentify when and how to use Temporary tables
\nUsing Subqueries<\/p>\n
Code subqueries using the ALL, ANY\/SOME, and EXISTS keywords
\nCode correlated subqueries
\nChoose the proper type of subquery to use in each case
\nScalar Functions<\/p>\n
Extend your knowledge of scalar functions which: Manipulate arithmetic data, Manipulate date values, and Manipulate character data
\nExamples of scalar functions that are addressed in this course:
\nSUBSTR
\nPOSSTR
\nCOALESCE\/VALUE
\nDECIMAL
\nROUND
\nDIGITS
\nCHAR
\nDATE\/TIME
\nTable Expressions and Recursive SQL<\/p>\n
Identify reasons for using table expressions and recursive SQL
\nUse nested and common table expressions
\nIdentify the difference between views and table expressions
\nCode recursive SQL
\nControl the depth of recursion when coding recursive SQL
\nUDTs\/UDFs and Performance<\/p>\n
Describe the concepts behind User-Defined Types, User-Defined Functions and Stored Procedures
\nPredict when queries will use indexes to get better performance
\nIdentify concepts of predicate processing
\nState introductory concepts about index structure
\nState general best practices advice
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15 horas<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"2880","footnotes":""},"categories":[49,9,11],"tags":[],"class_list":["post-3870","post","type-post","status-publish","format-standard","hentry","category-bases-de-datos","category-cursos","category-cursos-de-it"],"acf":[],"_links":{"self":[{"href":"https:\/\/grupoloyal.net\/wp-json\/wp\/v2\/posts\/3870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/grupoloyal.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/grupoloyal.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/grupoloyal.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/grupoloyal.net\/wp-json\/wp\/v2\/comments?post=3870"}],"version-history":[{"count":0,"href":"https:\/\/grupoloyal.net\/wp-json\/wp\/v2\/posts\/3870\/revisions"}],"wp:attachment":[{"href":"https:\/\/grupoloyal.net\/wp-json\/wp\/v2\/media?parent=3870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/grupoloyal.net\/wp-json\/wp\/v2\/categories?post=3870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/grupoloyal.net\/wp-json\/wp\/v2\/tags?post=3870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}