OpenEdge Data Management: DataServer for Microsoft SQL Server

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Chapter 7: The DataServer Tutorial Table 43: OpenEdge-to-MS SQL Server Conversion utility (2 of 2) Interface element Description MaximumVarchar Length 8000 characters. The server LOB data types (text and varchar(max)) can be greater than 8000 bytes. If you are using a single byte character set and your character field display format or SQL width is less than 8000, a VARCHAR data type will be used. If the value is greater than 8000, then a server LOB type will be used. NOTE: When Use Unicode Types is selected, the Unicode variable character type, NVARCHAR, is used when the maximum length is 4000 or less. The maximum length must now be set at 4000, the adjusted default, or less. If your character field display format or SQL width is greater than 4000, then a Unicode server LOB data type is used. Keep in mind that because UTF-8 character encoding can be up to four bytes, only 2000 characters are guaranteed to fit in a Unicode field. Codepage Accept the default code page value. Collation Accept the default value. Insensitive Accept the default value to retain case-insensitivity. Load SQL This check box is select by default, to specify that the generated SQL script loads into the data source. Leave it selected. Move Data Select the check box to dump and load data from OpenEdge to MS SQL Server. Advanced Click Advanced to open the OpenEdge DB to MS SQL Server Conversion Advanced Options dialog box. The purpose of this dialog box is to reduce clutter on the main dialog box and provide logical grouping of fields on it. See the Table 44 for the details you are prompted to enter. 254 OpenEdge Data Management: DataServer for Microsoft SQL Server
Preparing to create demonstration databases Table 44: OpenEdge DB to MS SQL Server Conversion Advanced Options (1 of 2) Interface Elements Description Migrate Constraints By default, the Migrate Constraints option is selected. This enables you to migrate constraint definitions defined using the procedures defined in the “Overview of foreign database constraint definitions” section on page 280. ROWID sub-section The ROWID sub-section groups selections for specifying ROWID and RECID. See the “ROWID sub-section of MS SQL Server Conversion” section on page 261 for more information. Map to MSS Datetime Type Selected by default. Uncheck box to map to datetime data types with time zone components. For details, see “DataServer for MS SQL Server support for datetime data types” section on page 76. Create Shadow Columns MS SQL Server is case-insensitive by default and, when used with a case-insensitive code page, this box is unmodifiable. When SQL Server is configured with a case-sensitive code page, this box is available for selection. Selecting it provides case-insensitivity compatible with the behavior of an OpenEdge database. Use revised sequence generator Select to enable revised generator and to prevent lock timeouts. Clear this option to retain older sequence generator, particularly if SET-VALUE sequence statement is used extensively in your program. Use Unicode Types Changes default code page to UTF-8 and directs the schema migration to convert all character data types in OpenEdge database to Unicode data types. Expand width (utf-8) Doubles the size of character fields based on specified field width criteria. OpenEdge Data Management: DataServer for Microsoft SQL Server 255
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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
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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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Page 205 and 206: Typical configuration for a remote
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Page 209 and 210: Connecting the DataServer You can s
Page 211 and 212: Starting a remote DataServer Starti
Page 213 and 214: Starting a remote DataServer If you
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Page 217 and 218: Connection guidelines Connection gu
Page 219 and 220: Connecting a schema holder at start
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Page 227 and 228: Connecting a schema holder Table 31
Page 229 and 230: qt_separate_connection qt_no_separa
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Page 233 and 234: Connecting a schema holder 1. Each
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Page 237 and 238: Logging levels You can choose one o
Page 239 and 240: Enabling ABL to SQL Correlation in
Page 241 and 242: Connecting a schema holder Example
Page 243 and 244: Connection failures and OpenEdge re
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Page 247 and 248: Using the $UNIQUE_DSLOG environment
Page 249 and 250: The DataServer Tutorial OpenEdge Da
Page 251 and 252: Demonstration databases for DataSer
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Page 259 and 260: DataServer utilities When you acces
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Page 267 and 268: Creating a schema holder You can se
Page 269 and 270: Updating a schema holder Updating a
Page 271 and 272: Verifying a schema holder Verifying
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Page 275 and 276: Changing connection information in
Page 277 and 278: Deleting a schema holder Deleting a
Page 279 and 280: Managing server attributes See the
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Page 287 and 288: Defining a default constraint defin
Page 289 and 290: Managing server attributes 5. Click
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Page 293 and 294: Migrating an OpenEdge database to M
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Delta df to MS SQL Server Increment
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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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