OpenEdge Data Management: DataServer for Microsoft SQL Server

More documents

Recommendations

Info

Data Type Details Data type conversion details C–2 Table C–1 identifies each supported DataServer for MS SQL Server data type, its SQL-ODBC equivalent data type, and its supported OpenEdge equivalent data types. In the OpenEdge -equivalent data types column, the initial data type identified is the default. The data types in parentheses are alternative data types that you can specify in the schema holder for your MS SQL Server data source. Note that the SQL-ODBC data types are presented as information only; you do not need to know nor use the SQL-ODBC data types to work with the DataServer for MS SQL Server. Table C–1: MS SQL Server data type details (1 of 2) MS SQL Server data type SQL-ODBC 1 data type integer SQL_INTEGER INTEGER 2 (DECIMAL) (INT64) 3 bigint SQL_BIGINT OpenEdge-equivalent data types INT64 4 smallint SQL_SMALLINT INTEGER (DECIMAL or LOGICAL) tinyint SQL_TINYINT INTEGER (DECIMAL or LOGICAL) decimal SQL_DECIMAL DECIMAL (INTEGER) (INT64) 3 numeric 5 SQL_DECIMAL DECIMAL (INTEGER) (INT64) 3 6 float SQL_FLOAT DECIMAL (INTEGER) (INT64) 3 double precision SQL_DOUBLE DECIMAL (INTEGER) (INT64) 3 real SQL_REAL DECIMAL (INTEGER) (INT64) 3 7 SQL_CHAR CHARACTER char nchar SQL_NCHAR CHARACTER varchar 7 8 SQL_VARCHAR CHARACTER nvarchar SQL_NVARCHAR CHARACTER text 9,8,10 varchar(max) 11 SQL_LONGVARCHAR CHARACTER 12
ntext 9 nvarchar(max) SQL_NLONGVARCHAR CHARACTER money SQL_DECIMAL DECIMAL (INTEGER) smallmoney SQL_DECIMAL DECIMAL (INTEGER) datetime SQL_TIMESTAMP smalldatetime SQL_TIMESTAMP Data type conversion details Table C–1: MS SQL Server data type details (2 of 2) MS SQL Server data type SQL-ODBC 1 data type CHARACTER 13 (DATE 14 ) CHARACTER 13 (DATE 14 ) binary 7 SQL_BINARY CHARACTER varbinary SQL_VARBINARY CHARACTER image SQL_LONGVARBINARY CHARACTER 12 bit SQL_BIT LOGICAL timestamp 15 SQL_VARBINARY Unsupported identity 16 NA Not supported OpenEdge-equivalent data types 1. The SQL-ODBC data types demonstrate the mapping of native MS SQL Server data types to the ODBC standard. 2. Existing or new 32-bit INTEGER data types have a maximum internal field size of 64-bits. The internal field expansion supports larger values defined as INTEGER data types. 3. Numeric expressions supported include DECIMAL, INTEGER, and INT64. 4. The OpenEdge INT64 data type enables the MS SQL Server DataServer BIGINT data type to be successfully pulled into a schema holder. 5. The DataServer truncates values in MS SQL Server decimal or numeric columns defined with a scale greater than 10. In the case of float columns, it reliably translates up to 10 places only. 6. Do not use the FLOAT or REAL data types in joins, in primary keys, or with the equality operator. 7. When you define a binary or char column to allow nulls, MSS stores the data type definitions as varbinary and varchar respectively. This does not affect how the DataServer maps the MSS data types to OpenEdge data types. 8. When migrating an OpenEdge database to SQL Server, character fields whose format is less than x(8000) are defined as VARCHAR by default. Larger character fields are defined as TEXT. If there are several large text fields in one record that each individually fall under the size limits to be defined as VARCHAR, but in sum exceed the maximum record size for SQL Server, it will be necessary to define the fields as TEXT to successfully create the records. 9. Text/ntext types changed to varchar(max)/nvarchar(max) in MS SQL Server 2005. 10. The amount of data that can be accessed in a field defined to be TEXT by an OpenEdge application is limited by the maximum size of a record that can be passed to the client. The maximum is 32K. The performance option BINDING cannot be used with a TEXT data type. To work around that limitation, construct field lists to exclude the retrieval of the TEXT data. Starting in MS SQL Server 2005, non-Unicode CLOB types are mapped to varchar(max) instead of text and Unicode CLOB types are mapped to nvchar(max). 11. Starting in MS SQL Server 2005, CLOB types are mapped to varchar(max) instead of text. 12. Although the MS SQL Server text and image fields can hold up to 2MB, OpenEdge retrieves only up to 32,000 bytes. If you are using an OpenEdge Format phrase, there might be additional limits on the size of text and image fields. See OpenEdge Development: ABL Reference. You can use the DataServer (-Dsrv MAX_LENGTH) startup parameter to limit the amount of returned text data. 13. By default, the initial value of a MS SQL Server datetime or smalldatetime column is the Unknown value (?). The default initial values for binary and varbinary are also the Unknown value (?). The MS SQL Server datetime and smalldatetime data types contain both date and time information. The DataServer maps these to the OpenEdge DATE data type; however, you can change the DATE data type to CHARACTER in the schema holder. If you do this, remember to change the format to match the new data type. For example, if you change the data type to CHARACTER, specify a character format, such as x(26). C–3
Page 1 and 2:
PROGRESS® 10 OPENEDGE® OpenEdge®
Page 3 and 4:
Contents Preface . . . . . . . . .
Page 5 and 6:
Contents Values of output parameter
Page 7 and 8:
Contents 8. Troubleshooting. . . .
Page 9 and 10:
Tables Contents Table 1-1: DataServ
Page 11 and 12:
Examples Contents Example 3-1: Pass
Page 13 and 14:
Preface This Preface contains the f
Page 15 and 16:
Chapter 5, “Configuring the DataS
Page 17 and 18:
Typographical conventions This manu
Page 19 and 20:
Preface A called external procedure
Page 21 and 22:
Preface Obtaining more information
Page 23 and 24:
Preface Copyright © 1991 by Lucent
Page 25 and 26:
Preface OpenEdge includes Sonic sof
Page 27 and 28:
Preface WARRANTIES, INCLUDING, BUT
Page 29 and 30:
Introduction 1 The OpenEdge® DataS
Page 31 and 32:
DataServer components DataServer co
Page 33 and 34:
DataServer for MS SQL Server logic
Page 35 and 36:
DataServer components If you plan t
Page 37 and 38:
DataServer utilities DataServer uti
Page 39 and 40:
DataServer configurations DataServe
Page 41 and 42:
DataServer configurations Configuri
Page 43 and 44:
Typical configuration scenarios Dat
Page 45 and 46:
Guidelines for using the DataServer
Page 47 and 48:
Documentation resources Documentati
Page 49 and 50:
Initial Programming Considerations
Page 51 and 52:
Database design issues Database des
Page 53 and 54:
MS SQL Server DataServer data sourc
Page 55 and 56:
Database design issues For example,
Page 57 and 58:
Support for Unicode Database design
Page 59 and 60:
Database design issues restrictions
Page 61 and 62:
Database design issues For example,
Page 63 and 64:
OpenEdge sequences Database design
Page 65 and 66:
Data types MS SQL Server data types
Page 67 and 68:
Table 2-5: MS SQL Server data type
Page 69 and 70:
Determining your application needs
Page 71 and 72:
Data types The ABL DATETIME and DAT
Page 73 and 74:
Data types Table 2-10 provides deta
Page 75 and 76:
Schema Migration > OpenEdge DB to M
Page 77 and 78:
Default and Special Datetime Defaul
Page 79 and 80:
Table 2-12 depicts mapping between
Page 81 and 82:
Record creation Record creation Rec
Page 83 and 84:
Record creation The VALIDATE or REL
Page 85 and 86:
Share locks Data source record lock
Page 87 and 88:
Additional record locking details D
Page 89 and 90:
Data source record locking to be lo
Page 91 and 92:
Transactions Transactions With Data
Page 93 and 94:
Error handling Error handling One c
Page 95 and 96:
Overflow checking Error handling Ov
Page 97 and 98:
Impact of MAX-ROWS Cursors The MAX-
Page 99 and 100:
Block cursors on versus off Cursors
Page 101 and 102:
ABL issues • If you force the cre
Page 103 and 104:
ABL issues Include the SCROLLING op
Page 105 and 106:
ABL issues When you run find.p with
Page 107 and 108:
NO-LOCK option 1 SHARE-LOCK option
Page 109 and 110:
RDBMS Stored Procedure Details 3 Th
Page 111 and 112:
RDBMS stored procedure basics RDBMS
Page 113 and 114:
RDBMS stored procedure basics schem
Page 115 and 116:
Run Stored-Procedure details •
Page 117 and 118:
Run Stored-Procedure details An exp
Page 119 and 120:
Run Stored-Proc statement execution
Page 121 and 122:
Data output and retrieval options D
Page 123 and 124:
Interfacing with RDBMS stored proce
Page 125 and 126:
Technique to use proc-text-buffer I
Page 127 and 128:
Page 129 and 130:
Loading result sets into temp-table
Page 131 and 132:
Page 133 and 134:
Details about a dynamic temp-table
Page 135 and 136:
Page 137 and 138:
Page 139 and 140:
Handling errors • If you try to e
Page 141 and 142:
ROWID Support It is important to no
Page 143 and 144:
ROWID Support If the table uses com
Page 145 and 146:
DEFINE VARIABLE hSendSQL AS HANDLE
Page 147 and 148:
Additional Features to Enhance Data
Page 149 and 150:
Enhancements overview For installat
Page 151 and 152:
Firehose and Fast Forward-Only Curs
Page 153 and 154:
• Lowest connection value • Num
Page 155 and 156:
Query tuning Query tuning How you s
Page 157 and 158:
LOOKAHEAD NO-LOOKAHEAD SEPARATE-CON
Page 159 and 160:
Caching records Caching records The
Page 161 and 162:
Join by SQLDB FOR EACH customer, EA
Page 163 and 164:
Modifying the run-time schema check
Page 165 and 166:
Configuring the DataServer 5 Config
Page 167 and 168:
DataServer components Table 5-1: In
Page 169 and 170:
Configuring a local DataServer Conf
Page 171 and 172:
Configuring a remote DataServer 5.
Page 173 and 174:
Configuring a remote DataServer For
Page 175 and 176:
Configuring a remote DataServer Whe
Page 177 and 178:
Configuring a remote DataServer The
Page 179 and 180:
Creating a schema holder Creating a
Page 181 and 182:
Creating a schema holder 4. Start t
Page 183 and 184:
Creating a schema holder Table 5-4
Page 185 and 186:
Creating a schema holder You can al
Page 187 and 188:
Typical configuration for a remote
Page 189 and 190:
Typical configuration for a remote
Page 191 and 192:
Connecting the DataServer You can s
Page 193 and 194:
Starting a remote DataServer Starti
Page 195 and 196:
Starting a remote DataServer Starti
Page 197 and 198:
Starting a remote DataServer For ex
Page 199 and 200:
Connecting a schema holder Connecti
Page 201 and 202:
Direct Connect (-DirectConnect) Pas
Page 203 and 204:
Note the following command syntax u
Page 205 and 206:
Use the PRGRS_CONNECT parameter in
Page 207 and 208:
Connecting a schema holder Table 6-
Page 209 and 210:
Page 211 and 212:
Connecting a schema holder 3. The v
Page 213 and 214:
Page 215 and 216:
Connecting a schema holder Note: Ap
Page 217 and 218:
Connecting a schema holder The ABL
Page 219 and 220:
Connection troubleshooting Connecti
Page 221 and 222:
Setting the log file location Conne
Page 223 and 224:
The DataServer Tutorial 7 This chap
Page 225 and 226:
Preparing to create demonstration d
Page 227 and 228:
Preparing to create demonstration d
Page 229 and 230:
DataServer utilities When you acces
Page 231 and 232:
Creating a schema holder 4. In the
Page 233 and 234:
Updating a schema holder Updating a
Page 235 and 236:
Verifying a schema holder Verifying
Page 237 and 238:
Verifying a schema holder 4. There
Page 239 and 240:
Changing connection information in
Page 241 and 242:
Deleting a schema holder Deleting a
Page 243 and 244:
Migrating an OpenEdge database to M
Page 245 and 246:
Page 247 and 248:
Page 249 and 250: Delta df to MS SQL Server Increment
Page 255 and 256: Modifying field-level information Y
Page 257 and 258: Defining the ROWID Modifying a sche
Page 259 and 260: Adding extended ABL support Adding
Page 261 and 262: Adding extended ABL support Using c
Page 263 and 264: Adding extended ABL support create
Page 265 and 266: Troubleshooting This chapter descri
Page 267 and 268: ODBC options Tuning your environmen
Page 269 and 270: Tuning your environment with the -D
Page 275 and 276: SVUB,x—the Unified Broker Server
Page 277 and 278: Adjusting values Tuning your enviro
Page 279 and 280: Migration Issues A This appendix di
Page 281 and 282: Modifying your application Note the
Page 283 and 284: Sample code for the db.owner.Custom
Page 285 and 286: Server Related Command Line Utiliti
Page 287 and 288: -validate -help Progress Explorer c
Page 289 and 290: -host host-name Progress Explorer c
Page 291 and 292: Progress Explorer command line util
Page 293 and 294: -user user-name Progress Explorer c
Page 295 and 296: Syntax Parameters service-name PROB
Page 297 and 298: Non-Progress Explorer command line
Page 299: Data Type Details C This appendix s
Page 303 and 304: Using qt_debug to Analyze Performan
Page 305 and 306: Index Numbers 4GLTrans log entry ty
Page 307 and 308: Data types 2-17, C-1 changing 7-34
Page 309 and 310: K Key buffer troubleshooting 8-8 Ke
Page 311 and 312: Progress Explorer Framework 5-23 an
Page 313 and 314: Service Name (-S) shutdown paramete
show all

OpenEdge Data Management: DataServer for Microsoft SQL Server

Create successful ePaper yourself

Delete template?

Save as template?