January 2020
Beginner
896 pages
23h 51m
English
Content preview from Microsoft SQL Server 2019: A Beginner's Guide, Seventh Edition, 7th Edition
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CHAPTER |
|
7 |
Modification of a Table’s Contents |
In This Chapter
• Other T-SQL Modification Statements and Clauses
In addition to the SELECT statement, which was introduced in Chapter 6, there are three other DML statements: INSERT, UPDATE, and DELETE. Like the SELECT statement, these three modification statements operate either on tables or on views. This chapter discusses these statements in relation to tables and gives examples of their use. Additionally, it explains two other statements: TRUNCATE TABLE and MERGE. Whereas the TRUNCATE TABLE statement is a Transact-SQL extension to the SQL standard, MERGE is a standardized feature. The chapter wraps up with coverage of the ...
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