Results 311 to 320 of about 83,370 (327)
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2011
Publisher Summary Structured Query Language (SQL) is one of the most common languages today for directly interacting with databases and comparable systems. Most Web applications providing interactive content use databases and are usually fueled by database management systems (DBMSs) such as MySQL, PostgreSQL, or Oracle, all of which are capable of ...
Mario Heiderich +3 more
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Publisher Summary Structured Query Language (SQL) is one of the most common languages today for directly interacting with databases and comparable systems. Most Web applications providing interactive content use databases and are usually fueled by database management systems (DBMSs) such as MySQL, PostgreSQL, or Oracle, all of which are capable of ...
Mario Heiderich +3 more
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T-SQL Patterns provides practical examples and proven techniques Database Administrators, Data Analysts, and Software Engineers can apply immediately to their projects. The book covers everything from basic query optimization to advanced topics like concurrency control and disaster recovery.
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2005
Publisher Summary This chapter presents tips and suggestions on optimizing SQL. The query optimizers depend on the underlying architecture and are simply too different for many universal rules. A rule-based optimizer parses a query and executes it in the order in which it was written, by doing some reorganization of the query into an equivalent form ...
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Publisher Summary This chapter presents tips and suggestions on optimizing SQL. The query optimizers depend on the underlying architecture and are simply too different for many universal rules. A rule-based optimizer parses a query and executes it in the order in which it was written, by doing some reorganization of the query into an equivalent form ...
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2003
Publisher Summary This chapter provides an overview of embedded SQL. Although a knowledgeable SQL user can accomplish a great deal with an interactive command processor, much interaction with a database is through application programs that provide a predictable interface for non-technologically sophisticated users.
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Publisher Summary This chapter provides an overview of embedded SQL. Although a knowledgeable SQL user can accomplish a great deal with an interactive command processor, much interaction with a database is through application programs that provide a predictable interface for non-technologically sophisticated users.
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Verschachtelte Anfragen in SQL
2011Nachdem in den letzten beiden Kapiteln alle Grundlagen fur einfache Anfragen, die unterschiedlichen syntaktischen Moglichkeiten und die verschiedenen Herangehensweisen an die Anfragenerstellung gezeigt wurden, steht in diesem Kapitel die Moglichkeit zur Verknupfung von Anfragen im Mittelpunkt.
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