Course Outline

Regular expressions in SQL

  • Searching through data
  • Data transformations

Hierarchical queries

  • Building a tree (CONNECT BY PRIOR clause and START WITH clause)
  • SYS_CONNECT_BY_PATH function

Advanced grouping

  • Operations on data strings (WITHIN GROUP)
  • Operations on the first/last row of a string (KEEP)
  • Aggregations in bulk (ROLLUP, CUBE, GROUPING SET)
  • Pivot tables (PIVOT, UNPIVOT)

Analytical functions

  • Generation of partial summaries
  • Ranking functions
  • Dynamic windows

Data manipulation (DML)

  • Inserting, modifying, deleting data (INSERT, UPDATE, DELETE)
  • Truncating tables (TRUNCATE)

Concurrent user operation

  • Transactions
  • Consistency of data over time
  • Locks
  • FLASHBACK

Appendix A - Moving and loading data

  • Database links
  • Exporting query results to csv file
  • Importing data from a csv file, SqlLoader
  • External tables

Appendix B - Miscellaneous database objects

  • System dictionary
  • Views
  • Sequences
  • Indexes
  • Synonyms
  • PL/SQL syntax programs

Suggested pre-training
ORA_SA1 or ORA_S1
Suggested follow-up training
ORA_SA3

Requirements

Knowledge of issues related to relational databases, free use of the SELECT statement in terms of projection, selection, joins and subqueries.
 

 14 Hours

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Price per participant

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