What is the purpose of a database, and how does the database accomplish this purpose? The value of a primary key should be changed frequently. Is the statement true or false? What is the primary use of the ping command? What is a product key?
Before we explain why you’d need aDDL script, it is essential for you to understand what it is. DDL stands forData Definition Language. This is a set of SQL commands used for creating, modifying, and removing database objects; its primary commands areCREATE,ALTER,DROP, andTRUNCATE. These...
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When St.Augustine admitted his inability to define time,he highlighted one of time's most noticeable qualities:Time becomes meaningful only in a defined context.Any timekeeping system is valid,and each is as praiseworthy as its purpose.(1)What is the main idea of Paragraph 1? ___A.Timekeepin...
Data Definition Language (DDL) is a standard for commands that define the different structures in a database. It is a set of SQL statements that work... Learn more about this topic: Data Definition Language (DDL): Definition & Example ...
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All records in a table can be removed using this function. A database object is created with this function. The database structure can be altered with it. Answer:A) Data dictionary comments are made with this tool Explanation: Data dictionary comments are made with the Comment tool in DDL....
The semicolon at the end of the command is used to process every command before it. TheCREATEgroup of DDL commands includes the following: CREATE DATABASEdefines a logical database under the active location rootdirectory. The database normally consists of a subdirectory of the same name that ...