Oracle SQL by example

Cover of: Oracle SQL by example | Alice Rischert

Published by Prentice Hall Professional in Upper Saddle River, NJ .

Written in English

Read online

Subjects:

  • Oracle (Computer file),
  • SQL (Computer program language)

Edition Notes

Book details

StatementAlice Rischert.
Classifications
LC ClassificationsQA76.73.S67 R57 2009
The Physical Object
Paginationp. cm.
ID Numbers
Open LibraryOL23397909M
ISBN 109780137142835
LC Control Number2009022733

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Text content is released under Creative Commons BY-SA. See credits at the end of this book whom contributed to the various chapters.

“The book has adequate depth for even a seasoned expert to pick up adequate tips to pay once more the price of the book. many events over.” –Dr. Paul Dorsey, President, Dulcian, Inc., Oracle Journal PL/SQL Developer of the Yrand President.

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Oracle SQL by Example “The book has enough depth for even a seasoned professional to pick up enough tips to pay back the price of the book many times over.” –Dr. Paul Dorsey, President, Dulcian, Inc., Oracle Magazine PL/SQL Developer of the Yearand.

The World’s #1 Hands-On Oracle SQL Workbook–Fully Updated for Oracle 11g Crafted for hands-on learning and tested in classrooms worldwide, this book illuminates in-depth every Oracle SQL technique you’ll need. From the simplest query fundamentals to regular expressions and with newly added coverage of Oracle’s powerful new SQL Developer tool, you will focus on the tasks that matter most.

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One step at a time, you’ll walk through every key task, discovering the most important PL/SQL programming techniques on your own.4/4(2).

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From the simplest query fundamentals to regular expressions. The SQL Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow.

Text content is released under Creative Commons BY-SA. See credits at the end of this book whom contributed to the various chapters. SQL CASE expressions were introduced in the later releases of Oracle 8i, but Oracle 9i included support for CASE statements in PL/SQL for the first time.

The CASE statement is the natural replacement for large IF-THEN-ELSIF-ELSE statements. The following code gives an example of a matched CASE statement. SET SERVEROUTPUT ON DECLARE l_day. Select Statement Examples Example 1.

Select * From users u Where _id > 50; Example 2. Select distinct_name. Oracle SQL by Example. Expertly curated help for Oracle SQL by Example.

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With the DROP INDEX command, you can drop an index. Data Manipulation and Transactions SQL data manipulation commands allow you to change the contents of your database. SQL offers three basic data manipulation commands.

Crafted for hands-on learning and tested in classrooms worldwide, this book illuminates in-depth every Oracle SQL technique you’ll need. From the simplest query fundamentals to regular expressions and with newly added coverage of Oracle’s powerful new SQL Developer tool.

CHAPTER 3 SQL in PL/SQL 39 LAB Making Use of DML in PL/SQL 40 Use the Select INTO Syntax for Variable Initialization 41 Use DML in a PL/SQL Block 42 Make Use of a Sequence in a PL/SQL Block 44 LAB Making Use of SAVEPOINT 45 Make Use of COMMIT, ROLLBACK, and SAVEPOINT in a PL/SQL Block 48 Chapter 3 Try It Yourself.

The PIVOT Keyword in Oracle SQL. Back to Top. Oracle has the ability to create a result set that transposes or pivots columns and rows to provide a summary. This is done using the SQL PIVOT keyword. This keyword was introduced in Oracle 11g.

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Rather than being a reference book, it guides you through basic skills until you reach a mastery of the : Prentice Hall. This integrated learning solution teaches all the Oracle PL/SQL skills you need, hands-on, through real-world labs, extensive examples, exercises, and projects.

Completely updated for Oracle 11g, Oracle PL/SQL by Example, Fourth Edition covers all the fundamentals, from PL/SQL syntax and program control through packages and Oracle 11g's significantly improved triggers. SQL/JSON Features in Database This Tutorial introduces the new JSON-related extensions to SQL and PL/SQL that have been added to O years ago Oracle.

Simple example showing how to write text to the console. Script DBMS_OUTPUT, pl/sql. years ago Mike Hichwa (Oracle) Analytic Functions: Databases for Developers. Since SQL is a standard language for accessing database data, most of the SQL code in this book will work with any database management system.

As a result, once you use this book to learn how to use SQL to work with an Oracle database, you can transfer most of what you have learned to another DBMS such as MySQL, DB2, or Microsoft SQL Server.

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It challenges you to learn Oracle PL/SQL by using it rather than by simply reading about it. Just as a grammar workbook would teach you about nouns and verbs by firstFile Size: 1MB. Using PL/SQL for Oracle Database 12c, you can build solutions that deliver unprecedented performance and efficiency in any environment, including the cloud.

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Outer join (+) syntax examples. The most common notation for an outer join is the (+) notation. This, from the great book "Easy Oracle SQL" by Lt. Col. John Garmany: For example, if I list my authors and the books they have written, I get the results below.

SQL> select. In Oracle and Microsoft Access this function is called SUBSTR, in SQL Server it is called SUBSTRING. These pages give details of the differing naming conventions / syntax for the different databases of SQL Server, Oracle, Microsoft Access and MySQL.

For a more detailed article on each of the string functions please click the Function names below. The SAMPLE clause will give you a random sample percentage of all rows in a table. For example, here we obtain 25% of the rows: SELECT * FROM emp SAMPLE(25) The following SQL (using one of the analytical functions) will give you a random sample of a specific number of each occurrence of a particular value (similar to a GROUP BY) in a table.

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Paul Dorsey, President, Dulcian, Inc., Oracle Magazine PL/SQL Developer of the Yearand President Emeritus, New York Oracle Users Group This is a fascinating. Written as the Oracle Database sequel to the book “Mastering Oracle SQL and SQL*Plus” (and that book’s much updated revision titled “Beginning Oracle SQL”), this book is not written as a simple reference for the Oracle specific SQL dialect.

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the employee earning lowest salary should salary appear first.2. SQL*Plus (Minimal User Guide, Editor Commands, Help System) 20 3. Oracle Data Dictionary 23 4. Application Programming PL/SQL Introduction 26 Structure of PL/SQL Blocks 27 Declarations 27 Language Elements 28 Exception Handling 32 Procedures and Functions 34 Packages 36 Programming in PL File Size: KB.

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