August 2013
Intermediate to advanced
1472 pages
38h
English
Content preview from Oracle Database 12c The Complete ReferenceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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CHAPTER15Changing Data: INSERT, DELETE, UPDATE and MERGE
Until now, virtually everything you’ve learned about Oracle, SQL, and SQL*Plus has related to selecting data from tables in the database. This chapter shows how to change the data in a table—how to insert new rows, update the values of columns in rows, and delete rows entirely. Although these topics have not been covered explicitly, nearly everything you already know about SQL, including datatypes, calculations, string formatting, WHERE clauses, and the like, can be used here, so there really isn’t much new to learn. Oracle gives you a transparent, distributed database capability that inserts, ...
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