OpenEdge Data Management: DataServer for Microsoft SQL Server

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Chapter 2: Initial Programming Considerations RDBMS stored procedures Relational database management system (RDBMS) stored procedures can be an efficient, productive approach to obtain data from a foreign data source. In general, using stored procedures can help reduce network traffic, promote better performance, and improve response time because the server-side processing of the stored procedure can be accomplished without communicating with the client; once this processing is completed, the server returns only the data results to the requesting client. See Chapter 3, “RDBMS Stored Procedure Details,”for a complete discussion of various RDBMS stored procedure and send-sql- statement techniques and enhancements you can use to run against the MS SQL Server DataServer. 118 OpenEdge Data Management: DataServer for Microsoft SQL Server
RDBMS Stored Procedure Details OpenEdge Data Management: DataServer for Microsoft SQL Server 119 3 This chapter defines relational database management system (RDBMS) stored procedures and describes how to create and implement them in the OpenEdge environment. It discusses various RDBMS stored procedure and send-sql-statement techniques you can employ. It also details how to execute an RDBMS stored procedure or send-sql-statement against a MS SQL Server and load its result sets directly into temp-tables. This chapter contains the following sections: • Overview • RDBMS stored procedure basics • Run Stored-Procedure details • Data output and retrieval options • Interfacing with RDBMS stored procedures • Handling errors • ROWID Support
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® ® PROGRESS® OPENEDGE® OpenEdg
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Contents Preface . . . . . . . . .
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Contents Data output and retrieval
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Contents Migrating an OpenEdge data
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Tables Contents Table 1: DataServer
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Examples Contents Example 1: Passin
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Preface This Preface contains the f
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Chapter 5, “Configuring the DataS
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Before you begin Preface Before att
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In this example, STREAM stream, UNL
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After displaying a message, OpenEdg
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Preface Software Foundation (http:/
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Preface use, copy, modify, and dist
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Preface DISCLAIMS ALL WARRANTIES WI
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Preface INCLUDING ALL IMPLIED WARRA
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Preface WARRANTIES OF MERCHANTABILI
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Preface conditions for packages lik
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Introduction OpenEdge Data Manageme
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DataServer components DataServer co
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DataServer for MS SQL Server logic
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Figure 3 illustrates the schema-loa
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DataServer utilities DataServer uti
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DataServer configurations DataServe
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The remote DataServer configuration
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DataServer configurations Configuri
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Software requirements Software requ
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Guidelines for using the DataServer
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Initial Programming Considerations
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Database design issues Database des
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MS SQL Server DataServer data sourc
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Client code page Database design is
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Support for Unicode Database design
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Indexes and sorting Database design
Page 67 and 68: Database design issues source’s c
Page 69 and 70: Triggers Database design issues Tri
Page 71 and 72: Data types Data types MS SQL Server
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Page 75 and 76: Processing activities that require
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Page 79 and 80: Performing data type conversions Da
Page 81 and 82: Enabling Datetime data types using
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Page 87 and 88: ABL-to-MS SQL Server data type mapp
Page 89 and 90: Unknown value (?) Data types The Da
Page 91 and 92: Record creation Suppose that you ha
Page 93 and 94: Data source record locking Data sou
Page 95 and 96: Handling lock timeouts Data source
Page 97 and 98: Locking impact on queries Data sour
Page 99 and 100: Data source record locking When thi
Page 101 and 102: To avoid this type of problem, the
Page 103 and 104: Error handling If you use NO-ERROR
Page 105 and 106: Cursors Cursors A cursor is like a
Page 107 and 108: Cursors your specifications. Adjust
Page 109 and 110: • Block cursors are directly link
Page 111 and 112: FIND customer WHERE ROWID(customer)
Page 113 and 114: For example, the following statemen
Page 115 and 116: find.p /* This code accesses an Ope
Page 117: ABL issues Table 19 summarizes ABL
Page 121 and 122: RDBMS stored procedure basics RDBMS
Page 123 and 124: RDBMS stored procedure basics When
Page 125 and 126: Run Stored-Procedure details •
Page 127 and 128: Run Stored-Procedure details An exp
Page 129 and 130: Run Stored-Proc statement execution
Page 131 and 132: Run Stored-Procedure details Also n
Page 133 and 134: Loading results into a temp-table T
Page 135 and 136: Retrieving return codes Interfacing
Page 137 and 138: Interfacing with RDBMS stored proce
Page 141 and 142: Loading result sets into temp-table
Page 143 and 144: Employing additional enhancements I
Page 151 and 152: Handling errors Handling errors The
Page 153 and 154: ROWID Support This section presents
Page 155 and 156: ROWID Support The RUN STORED-PROC c
Page 157 and 158: ROWID Support If the table uses com
Page 159 and 160: Additional Features to Enhance Data
Page 161 and 162: Connection pooling Connection pooli
Page 163 and 164: DataServer connection management Co
Page 165 and 166: Firehose exclusions Connection pool
Page 167 and 168: 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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