Model 204 configurations and operating environments - Revision history

JAL: /* Connect★ and Horizon */ change the star

2017-05-01T21:46:34Z

Connect★ and Horizon: change the star

← Older revision		Revision as of 21:46, 1 May 2017
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	<div id="Connect* and Horizon"></div>		<div id="Connect* and Horizon"></div>

	===Connect<~~span class="superstar"~~>★</~~span~~> and Horizon===		===Connect<sup>★</sup> and Horizon===
	<p>		<p>
	Connect<span class="superstar">★</span> offers a client/server environment. On the client side, people use the PC software already familiar to them. On the server side is <var class="product">Model 204</var>, ensuring high-performance database management. Connect<span class="superstar">★</span> unites the two through SQL. Alternatively, using Rocket Software's Remote Command Line facility, desktop applications can access <var class="product">Model 204</var> data through Rocket Software's [[SOUL]] language.</p>		Connect<span class="superstar">★</span> offers a client/server environment. On the client side, people use the PC software already familiar to them. On the server side is <var class="product">Model 204</var>, ensuring high-performance database management. Connect<span class="superstar">★</span> unites the two through SQL. Alternatively, using Rocket Software's Remote Command Line facility, desktop applications can access <var class="product">Model 204</var> data through Rocket Software's [[SOUL]] language.</p>

JAL: typo

2017-05-01T21:40:36Z

typo

← Older revision		Revision as of 21:40, 1 May 2017
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	===JDBC for Model 204===		===JDBC for Model 204===
	<p>		<p>
	The JCBC for <var class="product">Model 204</var> product enables you to access <var class="product">Model 204</var> using the Java language. JDBC for <var class="product">Model 204</var> specifically supports Connect<~~var~~> &#~~xF0A9~~;</~~var~~> .</p>		The JCBC for <var class="product">Model 204</var> product enables you to access <var class="product">Model 204</var> using the Java language. JDBC for <var class="product">Model 204</var> specifically supports Connect<span class="superstar">★</span>.</p>

	===MP/204===		===MP/204===

JAL: add link

2016-09-22T18:58:20Z

add link

← Older revision		Revision as of 18:58, 22 September 2016
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	<li> CCATEMP pages with found sets, screens and images, and transaction backout log</li>		<li> CCATEMP pages with found sets, screens and images, and transaction backout log</li>

	<li> NUMBUFG number of ATB buffers</li>		<li> <var>[[NUMBUFG parameter\|NUMBUFG]]</var> number of ATB buffers</li>

	<li> Saved compiled APSY procedures</li>		<li> Saved compiled APSY procedures</li>

ELowell: /* About Model 204 */

2016-07-15T22:58:47Z

About Model 204

← Older revision		Revision as of 22:58, 15 July 2016
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	A <var class="product">Model 204</var> database consists of files that utilize large fixed-length physical pages of 6184 bytes each. Each file is logically composed of four tables in which indexes and data are maintained. Entry order, unordered, sorted, and hash key file structures are supported. </p>		A <var class="product">Model 204</var> database consists of files that utilize large fixed-length physical pages of 6184 bytes each. Each file is logically composed of four tables in which indexes and data are maintained. Entry order, unordered, sorted, and hash key file structures are supported. </p>
	<p>		<p>
	Organization and maintenance of the data files are discussed in the [[:Category:Model 204 files\|Model 204 files]] topics. Access and manipulation of data files are discussed in the [[:Category:SOUL\|SOUL]] topics and ~~in the~~ [[:Category:Host Language Interface\|Host Language Interface]] topics. </p>		Organization and maintenance of the data files are discussed in the [[:Category:Model 204 files\|Model 204 files]] topics. Access and manipulation of data files are discussed in the [[:Category:SOUL\|SOUL]] topics and [[:Category:Host Language Interface\|Host Language Interface]] topics. </p>

	===Model 204 system management===		===Model 204 system management===

ELowell: /* About Model 204 */

2016-07-15T22:57:45Z

About Model 204

← Older revision		Revision as of 22:57, 15 July 2016
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	A <var class="product">Model 204</var> database consists of files that utilize large fixed-length physical pages of 6184 bytes each. Each file is logically composed of four tables in which indexes and data are maintained. Entry order, unordered, sorted, and hash key file structures are supported. </p>		A <var class="product">Model 204</var> database consists of files that utilize large fixed-length physical pages of 6184 bytes each. Each file is logically composed of four tables in which indexes and data are maintained. Entry order, unordered, sorted, and hash key file structures are supported. </p>
	<p>		<p>
	Organization and maintenance of the data files are discussed in the [[:Category:Model 204 files\|Model 204 files]] topics. Access and manipulation of data files are discussed in the [[:Category:SOUL\|SOUL]] topics and in the ~~<var class="book">Rocket Model 204~~ Host Language Interface ~~Reference Manual</var>~~. </p>		Organization and maintenance of the data files are discussed in the [[:Category:Model 204 files\|Model 204 files]] topics. Access and manipulation of data files are discussed in the [[:Category:SOUL\|SOUL]] topics and in the [[:Category:Host Language Interface\|Host Language Interface]] topics. </p>

	===Model 204 system management===		===Model 204 system management===

Mlarocca: /* Model 204 entities in above the bar storage */

2016-05-03T16:23:40Z

Model 204 entities in above the bar storage

← Older revision		Revision as of 16:23, 3 May 2016
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	<li> CCATEMP pages with found sets, screens and images, and transaction backout log</li>		<li> CCATEMP pages with found sets, screens and images, and transaction backout log</li>

			<li> NUMBUFG number of ATB buffers</li>

	<li> Saved compiled APSY procedures</li>		<li> Saved compiled APSY procedures</li>

JAL: /* Shared DASD and Global Resource Serialization */ typo

2016-04-04T16:26:57Z

Shared DASD and Global Resource Serialization: typo

← Older revision		Revision as of 16:26, 4 April 2016
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	<p>Many customers run <var class="product">Model 204</var> in the z/OS LPAR (Logical PARtition) environment where different versions of z/OS share disk volumes. In these systems, <var class="product">Model 204</var> jobs, ONLINE or BATCH, may be running concurrently in any of the defined LPARs and may be sharing disk volumes between those LPARs.</p>		<p>Many customers run <var class="product">Model 204</var> in the z/OS LPAR (Logical PARtition) environment where different versions of z/OS share disk volumes. In these systems, <var class="product">Model 204</var> jobs, ONLINE or BATCH, may be running concurrently in any of the defined LPARs and may be sharing disk volumes between those LPARs.</p>

	<p><var class="product">Model 204</var> file integrity in these multi operating system environments has always been provided through the Shared DASD Enqueue list, stored and maintained in the File Parameter List (FPL) page of each <var class="product">Model 204</var> file. Maintaining the Shared DASD Enqueue list, and therefore file integrity in a multi operating system environment, is totally dependent of the use of the device RESERVE macro. </p>		<p><var class="product">Model 204</var> file integrity in these multi-operating-system environments has always been provided through the Shared DASD Enqueue list, stored and maintained in the File Parameter List (FPL) page of each <var class="product">Model 204</var> file. Maintaining the Shared DASD Enqueue list, and therefore file integrity in a multi-operating-system environment, is totally dependent on the use of the device <code>RESERVE</code> macro. </p>

	<p>The RESERVE macro provides exclusive access to a device. Therefore, any <var class="product">Model 204</var> job running under any operating system will have exclusive access to a <var class="product">Model 204</var> file during file open. File open is the event that adds, updates, or removes entries in the SHARED DASD ENQUEUE list. These entries indicate which <var class="product">Model 204</var> job, virtual machine, or partition has the file open and whether that instance of <var class="product">Model 204</var> has share (read-only) or exclusive (update) access to the file. You can display these entries using the following command:</p>		<p>The <code>RESERVE</code> macro provides exclusive access to a device. Therefore, any <var class="product">Model 204</var> job running under any operating system will have exclusive access to a <var class="product">Model 204</var> file during file open. File open is the event that adds, updates, or removes entries in the SHARED DASD ENQUEUE list. These entries indicate which <var class="product">Model 204</var> job, virtual machine, or partition has the file open and whether that instance of <var class="product">Model 204</var> has share (read-only) or exclusive (update) access to the file. You can display these entries using the following command:</p>

	<p class="code">ENQCTL <i>filename</i></p>		<p class="code">ENQCTL <i>filename</i></p>

	<p>It is therefore critical for <var class="product">Model 204</var> file integrity that the device RESERVE macro be allowed to function on all devices shared in a multi-operating-system environment where <var class="product">Model 204</var> jobs might run.</p>		<p>It is therefore critical for <var class="product">Model 204</var> file integrity that the device <code>RESERVE</code> macro be allowed to function on all devices shared in a multi-operating-system environment where <var class="product">Model 204</var> jobs might run.</p>

	===ENQCTL command enhanced===		===ENQCTL command enhanced===

ELowell: /* Model 204 entities in above the bar storage */

2015-07-02T18:37:36Z

Model 204 entities in above the bar storage

← Older revision		Revision as of 18:37, 2 July 2015
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	<li> GTBL, NTBL, QTBL (as of version 7.5)</li>		<li> GTBL, NTBL, QTBL (as of version 7.5)</li>

	<li> STBL, VTBL (as of version 7.6)</li>		<li> RTBL, KTBL, STBL, VTBL, XTBL, ITBL, FSCB, TTBL, HTBFRS (as of version 7.6)</li>

	</ul>		</ul>

ELowell: /* Model 204 entities in above the bar storage */

2015-04-13T19:08:07Z

Model 204 entities in above the bar storage

← Older revision		Revision as of 19:08, 13 April 2015
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	<li> CCASERVR for swapped out users</li>		<li> CCASERVR for swapped out users</li>

	<li> FTBL, GTBL, NTBL, QTBL</li>		<li> FTBL (as of version 7.4)</li>

			<li> GTBL, NTBL, QTBL (as of version 7.5)</li>

			<li> STBL, VTBL (as of version 7.6)</li>

	</ul>		</ul>

JAL: add link

2015-03-02T20:16:01Z

add link

← Older revision		Revision as of 20:16, 2 March 2015
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	==About Model 204==		==About Model 204==
	<p>		<p>
	<var class="product">Model 204</var> is a complete database management system that provides facilities for the creation, control, query, and maintenance of database files. Data intensive batch and online application systems can be developed with <var class="product">Model 204</var>'s self-contained [[SOUL]] language (formerly called User Language) and embedded TP monitor. Application languages, such as Assembler, COBOL, PL/I, and FORTRAN can communicate with <var class="product">Model 204</var> functions through the <var class="product">Model~~ ~~204</var> ~~Host Language Interface~~. <var class="product">Model 204</var> supports SQL queries using the Horizon and CRAM interfaces.</p>		<var class="product">Model 204</var> is a complete database management system that provides facilities for the creation, control, query, and maintenance of database files. Data intensive batch and online application systems can be developed with <var class="product">Model 204</var>'s self-contained [[SOUL]] language (formerly called User Language) and embedded TP monitor. Application languages, such as Assembler, COBOL, PL/I, and FORTRAN can communicate with <var class="product">Model 204</var> functions through the <var class="product">[[Media:M204_HLIReference_V75.pdf\|Model 204 Host Language Interface]]</var>. <var class="product">Model 204</var> supports SQL queries using the Horizon and CRAM interfaces.</p>

	<p><var class="product">Model 204</var> contains a system of [[Introduction_to_User_Language#Files\|files]], [[File architecture overview#Summary\|tables]], runtime and user [[Overview of Model 204 parameters\|parameters]], and software that frees users from the physical structure of the data and allows convenient, controlled access to that data.</p>		<p><var class="product">Model 204</var> contains a system of [[Introduction_to_User_Language#Files\|files]], [[File architecture overview#Summary\|tables]], runtime and user [[Overview of Model 204 parameters\|parameters]], and software that frees users from the physical structure of the data and allows convenient, controlled access to that data.</p>
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	<p>The System Manager's position is usually a part-time job in a small to medium size database environment. Often the System Manager also has the responsibilities of File Manager, also known as <var class="product">Model 204</var> database administrator. If you are the System Manager only, Rocket Software strongly recommends that you study the Rocket <var class="product">Model 204</var> [[:Category:Model 204 files\|Model 204 files]] topics as well as the [[:Category:System management\|system management]] topics, because you will be working closely with the File Manager.</p>		<p>The System Manager's position is usually a part-time job in a small to medium size database environment. Often the System Manager also has the responsibilities of File Manager, also known as <var class="product">Model 204</var> database administrator. If you are the System Manager only, Rocket Software strongly recommends that you study the Rocket <var class="product">Model 204</var> [[:Category:Model 204 files\|Model 204 files]] topics as well as the [[:Category:System management\|system management]] topics, because you will be working closely with the File Manager.</p>

	==Model 204 configurations==		==Model 204 configurations==