SQL VISUAL QUICKSTART GUIDE- P5 pdf

... www.mysql.com . This book covers MySQL 5.1 but also includes tips for earlier versions, back to 4.0. To determine which version of MySQL you’re running, run the MySQL command- line command mysql ... screen. To use the mysql command-line tool in script mode: 1. At a command prompt, type: mysql -h host -u user -p -t ➞ dbname < sql_ script host is the host name, user is your MySQL user...

Ngày tải lên: 05/07/2014, 05:20

... determine which version of PostgreSQL you’re running, run the PostgreSQL command-line command psql -V or run the query SELECT VERSION(); . To run SQL programs, use the psql command-line tool. ✔ Tip ■ To ... 1.37). 30 Chapter 1 PostgreSQL Figure 1.37 The results of a SELECT statement in psql interactive mode. To use the psql command-line tool in script mode: 1. At a command prompt, ty...

Ngày tải lên: 05/07/2014, 05:20

... blank database named books . 2. Run an SQL script that creates tables within books and populates them with data. Listing 2.1 shows a standard (ANSI) SQL script that creates the sample-database tables ... Access. 57 The Relational Model Creating the Sample Database Listing 2.1 This standard SQL script, books_standard .sql , creates the tables in the sample database books and populat...

Ngày tải lên: 05/07/2014, 05:20

... available SQL Server SET SHOWPLAN_TEXT ON Oracle EXPLAIN PLAN DB2 EXPLAIN or db2expln MySQL EXPLAIN PostgreSQL EXPLAIN SQL Tuning After you learn the basics of SQL, your next step is to tune your SQL ... Command Access Not available SQL Server SET STATISTICS TIME ON Oracle SET TIMING ON DB2 db2batch MySQL The mysql command-line utility prints execution times by default. PostgreSQL...

Ngày tải lên: 05/07/2014, 05:20

... string ( ‘’ ) as null; see the DBMS Tip in “Nulls” in Chapter 3. MySQL enforces foreign-key constraints through InnoDB tables; search MySQL documentation for foreign key. InnoDB FOREIGN KEY syntax ... ACTION generates an error on a foreign- key violation. This action is the default. ■ Microsoft SQL Server doesn’t support the data type DATE . To run Listing 11.10, change the data type of ....

Ngày tải lên: 05/07/2014, 05:20

... . 456 Working with Hierarchies . . . . . . . . . . . . . . . . . . . 458 Index 465 Visual QuickStart Guide SQL, Third Edition Chris Fehily Peachpit Press 1249 Eighth Street Berkeley, CA 94710 510/524-2178 510/524-2221 ... 0-321-55357-8 987654321 Printed and bound in the United States of America Peachpit Press VISUAL QUICKSTART GUIDE SQL Third Edition Chris Fehily

Ngày tải lên: 05/07/2014, 05:20

... standard SQL that the resulting languages— Transact -SQL, PL /SQL, and SQL PL, respec- tively—can be considered to be separate languages in their own right, rather than just supersets of SQL. One ... i.1). “ISO/IEC SQL isn’t a commonly used term, so I’ll stick to the better-known “ANSI SQL name throughout this book. This book is based on the 2003 SQL standard, so you should consider...

Ngày tải lên: 05/07/2014, 05:20

... or DBMS-specific SQL to import and export SAS data via PROC SQL or SAS/Access. A SAS dataset is equivalent to an SQL table, an observation to an SQL row, and a variable to an SQL column. You can ... Running SQL Programs In this chapter, I’ll describe how to run SQL programs on these DBMSs: ◆ Microsoft Access 2007 ◆ Microsoft SQL Server 2008 ◆ Oracle 11g ◆ IBM DB2 9.5 ◆ MySQL...

Ngày tải lên: 05/07/2014, 05:20

... Tip. ◆ SQL Server 2005/2008’s SQL Server Management Studio Query Editor replaces 2000’s SQL Query Analyzer. ◆ SQL Server 2005/2008’s sqlcmd command-line tool replaces 2000’s osql . The sqlcmd tool ... SELECT statement in sqlplus script mode. SQL Server 2000 To run SQL programs in SQL Server 2000, use the SQL Query Analyzer graphical tool or the osql command-line tool. To...

Ngày tải lên: 05/07/2014, 05:20

... Blame My Mother P03 ✔ Tips ■ See also “Specifying a Foreign Key with FOREIGN KEY ” in Chapter 11. ■ SQL lets you specify the referential-integrity action that the DBMS takes when you attempt to update

Ngày tải lên: 05/07/2014, 05:20