OpenEdge Data Management: DataServer for Microsoft SQL Server

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Preface Purpose Audience Organization This manual explains how to use the OpenEdge® DataServer for Microsoft SQL Server. It provides startup instructions and a brief tutorial that introduces the utilities that support the DataServer. Additionally, it discusses database design and programming issues to consider when creating applications that access the OpenEdge and MS SQL Server database management systems, and provides tuning and troubleshooting information. Note: In this manual, any reference to the term MSS or data source in the text, screen captures, or code examples presented refers to the MS SQL Server database. This book is intended for programmers who want to develop OpenEdge applications that run with SQL Server databases. It assumes a fundamental knowledge of OpenEdge and MS SQL Server. Chapter 1, “Introduction” Describes the DataServer architecture (components and configurations) and software requirements, and provides guidelines for using the DataServer. Chapter 2, “Initial Programming Considerations” Discusses the differences between the OpenEdge database and MS SQL Server and the DataServer strategies for resolving these differences. Includes database design issues and application issues. Chapter 3, “RDBMS Stored Procedure Details” Defines relational database management system (RDBMS) stored procedures and describes how to create and implement them in an OpenEdge environment. It discusses various techniques to execute RDBMS stored procedures and Send SQL statements on the MS SQL server and load results sets directly into temp-tables. ProDataSet functionality, available through the use of temp-tables, is also briefly discussed. Chapter 4, “Additional Features to Enhance DataServer Performance” Presents various DataServer performance enhancement techniques you can use, including connection pooling. 14 OpenEdge Data Management: DataServer for Microsoft SQL Server
Chapter 5, “Configuring the DataServer” Preface Presents instructions for configuring the DataServer and for creating, maintaining, and deploying a schema holder. Chapter 6, “Connecting the DataServer” Presents various methods for starting and connecting the DataServer and describes connecting a schema holder. In addition, it provides connection guidelines and lists connection failures and OpenEdge responses. Chapter 7, “The DataServer Tutorial” Provides an overview of the demonstration databases and the opportunity to work with the DataServer utilities for maintaining a schema holder. In addition, it describes the OpenEdge DB to MS SQL Server migration utility. Chapter 8, “Troubleshooting” Using this manual Describes common problems and how to work around them, including tuning your environment and resolving ODBC driver problems. Appendix A, “Migration Issues”” Provides information on how to migrate from the DataServer for ODBC to the DataServer for MS SQL Server, and information on issues migrating from the Version 9.1 DataServer for MS SQL Server. Appendix B, “Server Related Command Line Utilities and Startup Parameters” Describes the utilities you use to configure, manage, start, and stop the DataServer host and client. Appendix C, “Data Type Details” Presents a detailed, comprehensive list of the MS SQL Server data types and their associated OpenEdge-data type equivalencies. Appendix D, “Using qt_debug to Analyze Performance,” The qt_debug option of the DataServer (-Dsrv) startup parameter can be used as a supplement to the OpenEdge Enhanced Logger to provide you with the means to perform diagnostics. Chapter 1, “Introduction” introduces you to the DataServer for MS SQL Server and discuss how OpenEdge and WebSpeed applications work with it to access data sources through the ODBC standard. Subsequent chapters provide additional information about using the DataServer. If you are using the DataServer with WebSpeed and with applications written in Progress® SpeedScript®, all information regarding ABL applies to your application. OpenEdge Data Management: DataServer for Microsoft SQL Server 15
Page 1 and 2: ® ® PROGRESS® OPENEDGE® OpenEdg
Page 3 and 4: Contents Preface . . . . . . . . .
Page 5 and 6: Contents Data output and retrieval
Page 7 and 8: Contents Migrating an OpenEdge data
Page 9 and 10: Tables Contents Table 1: DataServer
Page 11 and 12: Examples Contents Example 1: Passin
Page 13: Preface This Preface contains the f
Page 17 and 18: Before you begin Preface Before att
Page 19 and 20: In this example, STREAM stream, UNL
Page 21 and 22: After displaying a message, OpenEdg
Page 23 and 24: Preface Software Foundation (http:/
Page 25 and 26: Preface use, copy, modify, and dist
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Page 29 and 30: Preface INCLUDING ALL IMPLIED WARRA
Page 31 and 32: Preface WARRANTIES OF MERCHANTABILI
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Page 35 and 36: Introduction OpenEdge Data Manageme
Page 37 and 38: DataServer components DataServer co
Page 39 and 40: DataServer for MS SQL Server logic
Page 41 and 42: Figure 3 illustrates the schema-loa
Page 43 and 44: DataServer utilities DataServer uti
Page 45 and 46: DataServer configurations DataServe
Page 47 and 48: The remote DataServer configuration
Page 49 and 50: DataServer configurations Configuri
Page 51 and 52: Software requirements Software requ
Page 53 and 54: Guidelines for using the DataServer
Page 55 and 56: Initial Programming Considerations
Page 57 and 58: Database design issues Database des
Page 59 and 60: MS SQL Server DataServer data sourc
Page 61 and 62: Client code page Database design is
Page 63 and 64: Support for Unicode Database design
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Indexes and sorting Database design
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Database design issues source’s c
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Triggers Database design issues Tri
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Data types Data types MS SQL Server
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Table 9: MS SQL Server data type eq
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Processing activities that require
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Table 11: MS SQL Server 2008 dateti
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Performing data type conversions Da
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Enabling Datetime data types using
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2008, or if you use a native driver
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Default and Special Datetime Defaul
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ABL-to-MS SQL Server data type mapp
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Unknown value (?) Data types The Da
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Record creation Suppose that you ha
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Data source record locking Data sou
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Handling lock timeouts Data source
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Locking impact on queries Data sour
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Data source record locking When thi
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To avoid this type of problem, the
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Error handling If you use NO-ERROR
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Cursors Cursors A cursor is like a
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Cursors your specifications. Adjust
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• Block cursors are directly link
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FIND customer WHERE ROWID(customer)
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For example, the following statemen
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find.p /* This code accesses an Ope
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ABL issues Table 19 summarizes ABL
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RDBMS Stored Procedure Details Open
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RDBMS stored procedure basics RDBMS
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RDBMS stored procedure basics When
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Run Stored-Procedure details •
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Run Stored-Procedure details An exp
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Run Stored-Proc statement execution
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Run Stored-Procedure details Also n
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Loading results into a temp-table T
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Retrieving return codes Interfacing
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Interfacing with RDBMS stored proce
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Loading result sets into temp-table
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Employing additional enhancements I
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Handling errors Handling errors The
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ROWID Support This section presents
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ROWID Support The RUN STORED-PROC c
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ROWID Support If the table uses com
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Additional Features to Enhance Data
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Connection pooling Connection pooli
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DataServer connection management Co
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Firehose exclusions Connection pool
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Cursor downgrades Connection poolin
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Query tuning Query tuning How you s
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LOOKAHEAD NO-LOOKAHEAD SEPARATE-CON
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Query tuning Table 24: Query-tuning
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Join by SQLDB Join by SQLDB For que
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Table 25 describes how these contro
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Modifying the run-time schema check
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Configuring the DataServer Configur
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DataServer components Table 26: Ins
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Configuring a local DataServer Conf
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Configuring a remote DataServer 4.
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5162 Configuring a remote DataServe
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The ubroker.properties file Configu
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Configuring a remote DataServer Tab
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Configuring a remote DataServer The
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Creating a schema holder Creating a
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Creating a schema holder configurat
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Creating a schema holder 3. In the
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Creating a schema holder 10. Choose
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Typical configuration for a remote
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Typical configuration for a remote
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Connecting the DataServer You can s
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Starting a remote DataServer Starti
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Starting a remote DataServer If you
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Starting a remote DataServer Starti
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Connection guidelines Connection gu
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Connecting a schema holder at start
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Single-User Mode (-1) Read-Only (-R
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Using a remote DataServer configura
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Value pairs within the connect stri
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Connecting a schema holder Table 31
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qt_separate_connection qt_no_separa
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Connecting a schema holder Table 33
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Connecting a schema holder 1. Each
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Table 38 lists the DataServer log e
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Logging levels You can choose one o
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Enabling ABL to SQL Correlation in
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Connecting a schema holder Example
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Connection failures and OpenEdge re
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Connection failures and OpenEdge re
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Using the $UNIQUE_DSLOG environment
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The DataServer Tutorial OpenEdge Da
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Demonstration databases for DataSer
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Preparing to create demonstration d
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DataServer utilities When you acces
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Prime to ROWID identification ROWID
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Prime to ROWID identification inacc
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Creating a schema holder • Choose
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Creating a schema holder You can se
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Updating a schema holder Updating a
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Verifying a schema holder Verifying
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Verifying a schema holder 2. Type p
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Changing connection information in
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Deleting a schema holder Deleting a
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Managing server attributes See the
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Managing server attributes Defining
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Managing server attributes If the p
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Managing server attributes 6. The P
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Defining a default constraint defin
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Managing server attributes 5. Click
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Managing server attributes • Resu
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Migrating an OpenEdge database to M
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Delta df to MS SQL Server Increment
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Modifying field-level information Y
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Defining the ROWID Modifying a sche
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Adding extended ABL support Adding
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Adding extended ABL support 4. Chan
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Adding extended ABL support 3. Drop
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Troubleshooting This chapter descri
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ODBC options ODBC options The DataS
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ODBC options Table 56: DataServer o
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Using MS SQL Server and DataServer
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Large rows—the PRGRS_MINBUF optio
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ODBC options Wait time for asynchro
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Using the block cursor switches ODB
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Migration Issues This appendix disc
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Modifying your application Note the
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Sample code for the db.owner.Custom
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Server Related Command Line Utiliti
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OpenEdge Management or OpenEdge Exp
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Syntax Parameters service-name PROB
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Other command line utilities for th
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Data Type Details C This appendix s
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nvarchar 8 SQL_NVARCHAR CHARACTER t
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Using qt_debug to Analyze Performan
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Using qt_debug to analyze performan
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Index Numbers 4GLTrans log entry ty
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display format 309 overflow checkin
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INPUT-OUTPUT option retrieving para
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DataServer (-Dsrv) startup paramete
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221, 242, 359 Schema defined 40 loa
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