
SQL Tools Help
... are trademarks of Microsoft Corporation. PowerBASIC®, PB/CC®, PB/DLL®, and PB/DOS® are trademarks of PowerBASIC, Inc. UltraEdit® and UltraEdit32® are trademarks of IDM Computer Solutions, Inc. InstallShied® is a trademark of InstallShield Software Corporation. InstallBuilder® is a trademark of Wise. ...
... are trademarks of Microsoft Corporation. PowerBASIC®, PB/CC®, PB/DLL®, and PB/DOS® are trademarks of PowerBASIC, Inc. UltraEdit® and UltraEdit32® are trademarks of IDM Computer Solutions, Inc. InstallShied® is a trademark of InstallShield Software Corporation. InstallBuilder® is a trademark of Wise. ...
... PARTICULAR PURPOSE. McGraw-Hill and its licensors do not warrant or guarantee that the functions contained in the work will meet your requirements or that its operation will be uninterrupted or error free. Neither McGraw-Hill nor its licensors shall be liable to you or anyone else for any inaccuracy ...
SQL Reference: Stored Procedures and Embedded SQL
... The product or products described in this book are licensed products of Teradata Corporation or its affiliates. Teradata, BYNET, DBC/1012, DecisionCast, DecisionFlow, DecisionPoint, Eye logo design, InfoWise, Meta Warehouse, MyCommerce, SeeChain, SeeCommerce, SeeRisk, Teradata Decision Experts, Ter ...
... The product or products described in this book are licensed products of Teradata Corporation or its affiliates. Teradata, BYNET, DBC/1012, DecisionCast, DecisionFlow, DecisionPoint, Eye logo design, InfoWise, Meta Warehouse, MyCommerce, SeeChain, SeeCommerce, SeeRisk, Teradata Decision Experts, Ter ...
SQL*Plus User`s Guide and Reference
... Luan Nim, Andrei Souleimanian, Senthilprabhu Dhamotharan, Mahantesh Savanur ...
... Luan Nim, Andrei Souleimanian, Senthilprabhu Dhamotharan, Mahantesh Savanur ...
SQL*Plus User`s Guide and Reference
... Contributor: The Database 12c documentation is dedicated to Mark Townsend, who was an inspiration to all who worked on this release. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property ...
... Contributor: The Database 12c documentation is dedicated to Mark Townsend, who was an inspiration to all who worked on this release. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property ...
User`s Guide and Reference
... Contributors: Luan Nim, Andrei Souleimanian, Senthilprabhu Dhamotharan, Mahantesh Savanur This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in you ...
... Contributors: Luan Nim, Andrei Souleimanian, Senthilprabhu Dhamotharan, Mahantesh Savanur This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in you ...
Oracle Database PL/SQL Language Reference
... Racicot, J. Russell, C. Wetherell, M. Vemulapati, G. Viswanathan, M. Yang This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreem ...
... Racicot, J. Russell, C. Wetherell, M. Vemulapati, G. Viswanathan, M. Yang This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreem ...
You must use a job template when creating a lightweight job, with
... 7* end; SQL> / PL/SQL procedure successfully completed. SQL> Once you create a program, you can simplify your job creation statement by replacing the JOB_TYPE and JOB_ACTION attributes with the name of the program that already contains the specification of these attributes. The PROGRAM_TYPE and PROG ...
... 7* end; SQL> / PL/SQL procedure successfully completed. SQL> Once you create a program, you can simplify your job creation statement by replacing the JOB_TYPE and JOB_ACTION attributes with the name of the program that already contains the specification of these attributes. The PROGRAM_TYPE and PROG ...
Oracle Rdb™ SQL Reference Manual Volume 3
... Summarizes the SQL functions that have been added to the Oracle Rdb SQL interface for compatibility with Oracle Database SQL. This appendix also describes the SQL syntax for performing an outer join between tables. ...
... Summarizes the SQL functions that have been added to the Oracle Rdb SQL interface for compatibility with Oracle Database SQL. This appendix also describes the SQL syntax for performing an outer join between tables. ...
Oracle Database Performance Tuning Guide
... The Programs (which include both the software and documentation) contain proprietary information; they are provided under a license agreement containing restrictions on use and disclosure and are also protected by copyright, patent, and other intellectual and industrial property laws. Reverse engine ...
... The Programs (which include both the software and documentation) contain proprietary information; they are provided under a license agreement containing restrictions on use and disclosure and are also protected by copyright, patent, and other intellectual and industrial property laws. Reverse engine ...
Oracle Rdb™ SQL Reference Manual Volume 1
... The Programs (which include both the software and documentation) contain proprietary information of Oracle Corporation; they are provided under a license agreement containing restrictions on use and disclosure and are also protected by copyright, patent and other intellectual and industrial property ...
... The Programs (which include both the software and documentation) contain proprietary information of Oracle Corporation; they are provided under a license agreement containing restrictions on use and disclosure and are also protected by copyright, patent and other intellectual and industrial property ...
SQL The Complete Reference - Vedant College of Engineering
... learn SQL, including database users, data processing professionals, programmers, students, and managers. It describes—in simple, understandable language liberally illustrated with figures and examples—what SQL is, why it is important, and how you use it. This book is not specific to one particular b ...
... learn SQL, including database users, data processing professionals, programmers, students, and managers. It describes—in simple, understandable language liberally illustrated with figures and examples—what SQL is, why it is important, and how you use it. This book is not specific to one particular b ...
1 - Google Images
... A course run by Oracle with the course code of SQLA. A three day hands on course. ...
... A course run by Oracle with the course code of SQLA. A three day hands on course. ...
Ingres 2006 SQL Reference Guide
... This documentation and related computer software program (hereinafter referred to as the "Documentation") is for the end user's informational purposes only and is subject to change or withdrawal by Ingres Corporation ("Ingres") at any time. This Documentation may not be copied, transferred, reprodu ...
... This documentation and related computer software program (hereinafter referred to as the "Documentation") is for the end user's informational purposes only and is subject to change or withdrawal by Ingres Corporation ("Ingres") at any time. This Documentation may not be copied, transferred, reprodu ...
Teach Yourself SQL in 21 Days, Second Edition
... developed in the late 1970s. The initials stand for Structured Query Language, and the language itself is often referred to as "sequel." It was originally developed for IBM's DB2 product (a relational database management system, or RDBMS, that can still be bought today for various platforms and envi ...
... developed in the late 1970s. The initials stand for Structured Query Language, and the language itself is often referred to as "sequel." It was originally developed for IBM's DB2 product (a relational database management system, or RDBMS, that can still be bought today for various platforms and envi ...
Action Request System 5.1 Database Reference Guide
... disclosed only with written permission from Peregrine Remedy, Inc. This book, or any part thereof, may not be reproduced without the prior written permission of Peregrine Remedy, Inc. This document refers to numerous products by their trade names. In most, if not all, cases these designations are cl ...
... disclosed only with written permission from Peregrine Remedy, Inc. This book, or any part thereof, may not be reproduced without the prior written permission of Peregrine Remedy, Inc. This document refers to numerous products by their trade names. In most, if not all, cases these designations are cl ...
User`s Guide
... SQL Lifecycle, Sybase SQL Workgroup, Sybase User Workbench, SybaseWare, Syber Financial, SyberAssist, SyBooks, System 10, System 11, System XI (logo), SystemTools, Tabular Data Stream, Transact-SQL, Translation Toolkit, UNIBOM, Unilib, Uninull, Unisep, ...
... SQL Lifecycle, Sybase SQL Workgroup, Sybase User Workbench, SybaseWare, Syber Financial, SyberAssist, SyBooks, System 10, System 11, System XI (logo), SystemTools, Tabular Data Stream, Transact-SQL, Translation Toolkit, UNIBOM, Unilib, Uninull, Unisep, ...
Sadas SQL Reference
... All rights reserved. No parts of this work may be reproduced in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems - without the written permission of the publisher. Products that are referred to in t ...
... All rights reserved. No parts of this work may be reproduced in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems - without the written permission of the publisher. Products that are referred to in t ...
Accessing External Databases from RPG
... • Driver must be "type 4", which means it's pure Java • Other drivers work by calling a Windows DLL, which will not work. • Type 4 is pure Java – so will run on all platforms. Oracle refers to their Type 4 driver as a "thin" driver. MySQL refers to theirs as "Connector/J". Note: Although this presen ...
... • Driver must be "type 4", which means it's pure Java • Other drivers work by calling a Windows DLL, which will not work. • Type 4 is pure Java – so will run on all platforms. Oracle refers to their Type 4 driver as a "thin" driver. MySQL refers to theirs as "Connector/J". Note: Although this presen ...
The Guru`s Guide to Transact-SQL
... becomes exhausting. In this book, I've tried to strike a balance between being thorough and being spaceefficient. To that end, I've often truncated or clipped query result sets, especially those too wide to fit on a page and those of excessive length (I always point this out). On occasion I also lis ...
... becomes exhausting. In this book, I've tried to strike a balance between being thorough and being spaceefficient. To that end, I've often truncated or clipped query result sets, especially those too wide to fit on a page and those of excessive length (I always point this out). On occasion I also lis ...
Guru`s Guide to Transact-SQL
... becomes exhausting. In this book, I've tried to strike a balance between being thorough and being spaceefficient. To that end, I've often truncated or clipped query result sets, especially those too wide to fit on a page and those of excessive length (I always point this out). On occasion I also lis ...
... becomes exhausting. In this book, I've tried to strike a balance between being thorough and being spaceefficient. To that end, I've often truncated or clipped query result sets, especially those too wide to fit on a page and those of excessive length (I always point this out). On occasion I also lis ...
8 - PACS Support
... model, describes the data warehouse approach, and summarizes the RISQL extensions to SQL. Chapter 2, “Elements of the Language,” describes the basics of the SQL language: its keywords, constants, datatypes, and grammar. Chapter 3, “Expressions and Conditions,” describes arithmetic operators, logical ...
... model, describes the data warehouse approach, and summarizes the RISQL extensions to SQL. Chapter 2, “Elements of the Language,” describes the basics of the SQL language: its keywords, constants, datatypes, and grammar. Chapter 3, “Expressions and Conditions,” describes arithmetic operators, logical ...
JDBC Type 2 Driver Programmer`s Reference for SQL/MX Release
... Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government under vendor's standard com ...
... Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government under vendor's standard com ...
PDF
... Null values can be inserted into a column by explicitly stating NULL in an INSERT or UPDATE statement or by leaving a column out of an INSERT statement. Null values cannot be used as information that is required to distinguish one row in a table from another row in a table, such as primary keys, or ...
... Null values can be inserted into a column by explicitly stating NULL in an INSERT or UPDATE statement or by leaving a column out of an INSERT statement. Null values cannot be used as information that is required to distinguish one row in a table from another row in a table, such as primary keys, or ...
db2 sql procedural unix, and windows
... This created a demand for an easier method to write stored procedures. This led to the creation of a new third-generation (3GL) programming language. The language was based on the existing SQL syntax and used a simple structured programming language very similar to early BASIC™. This new language al ...
... This created a demand for an easier method to write stored procedures. This led to the creation of a new third-generation (3GL) programming language. The language was based on the existing SQL syntax and used a simple structured programming language very similar to early BASIC™. This new language al ...
Null (SQL)

Null is a special marker used in Structured Query Language (SQL) to indicate that a data value does not exist in the database. Introduced by the creator of the relational database model, E. F. Codd, SQL Null serves to fulfill the requirement that all true relational database management systems (RDBMS) support a representation of ""missing information and inapplicable information"". Codd also introduced the use of the lowercase Greek omega (ω) symbol to represent Null in database theory. NULL is also an SQL reserved keyword used to identify the Null special marker.For people new to the subject, a good way to remember what null means is to remember that in terms of information, ""lack of a value"" is not the same thing as ""a value of zero""; similarly, ""lack of an answer"" is not the same thing as ""an answer of no"". For example, consider the question ""How many books does Juan own?"" The answer may be ""zero"" (we know that he owns none) or ""null"" (we do not know how many he owns, or doesn't own). In a database table, the column reporting this answer would start out with a value of null, and it would not be updated with ""zero"" until we have ascertained that Juan owns no books.SQL null is a state (unknown) and not a value. This usage is quite different from most programming languages, where null means not assigned to a particular instance.