Skip to main content

MicroStrategy VLDB properties with Hive


 Recommended VLDB Properties for use of MicroStrategy 9 with Hive 0.7x




The recommended VLDB optimizations for Hive 0.7x are listed below. These values are set by default when the "Hive 0.7x" database object is used (set at Configuration Managers > Database Instances > Database Instance > Database connection type)




Selected Default VLDB Properties for Hive 0.7x
 VLDB Category VLDB Property Setting Value 
 Tables Fallback Table Type Permanent Table
 Tables Maximum SQL Passes Before FallBack  0 (no threshold)
 Tables Maximum Tables in FROM Clause Before FallBack 0 (no threshold)
 Tables Drop Temp Table Method Drop after final pass 
 Tables Table Creation Type Implicit Table
 Query Optimizations  Sub Query Type  Use Temporary Table, falling back to IN (SELECT COL) for correlated subquery
 Joins Full Outer Join Support Support
 Select/Insert Distinct/Group By option (when no aggregation and not table key)  Use GROUP BY
 Query Optimizations SQL Global Optimization Level 4: Level 2 + Merge All Passes with Different Where
 Query Optimizations Set Operator Optimization Disabled
 Joins Join Type Join 92
 Select/Insert UNION Multiple Insert Use UNION

Comments

Popular posts from this blog

MicroStrategy URL API Parameters

MicroStrategy URL Structure The following table summarizes the root URL structure used for every request to MicroStrategy Web. Environment Main Application URL Administration URL J2EE http://webserver/MicroStrategy/servlet/mstrWeb http://webserver/MicroStrategy/servlet/mstrWebAdmin .NET http://webserver/MicroStrategy/asp/Main.aspx http://webserver/MicroStrategy/asp/Admin.aspx Every request sent to MicroStrategy Web calls a central controller. Parameters are appended to  Main.aspx  or  mstrWeb  (in a .NET and J2EE environment, respectively) to indicate to the controller how the request should be internally forwarded and handled. The following examples show a URL for accessing a MicroStrategy folder when the user does not have an existing session. The URL contains not only the parameters needed to connect to MicroStrategy Web, but also the parameters needed to log on and create a session. J2EE environment: <a href="http:...

Create a transaction services photo uploader

Create a transaction services photo uploader   1.  Create a new table "photo_upload" in Tutorial warehouse database (the default location: C:\Program Files\MicroStrategy\Tutorial Reporting\TUTORIAL_DATA_7200.mdb), as shown below:    2. The 'photo_upload' table has to be pre-populated with *exactly* 10 rows of data, the values for the 'ID' column should be 1-10 and the values for the 'uploaded' column should all be 0 3.  In MicroStrategy Desktop, create a freeform report "R1" based on the new table "photo_upload" in Tutorial data created at step 1, as shown below:   SELECT Location, Description, ID, uploaded, numbers FROM PHOTO_UPLOAD 4.  Create another table for transaction insert SQL. Make sure to create an 'autonumber' type ID as primary key for this table, or auto_increment ID for different DBs.                     5. Create...

Create an alert-based subscription in MicroStrategy Distribution Services

Create an alert-based subscription in MicroStrategy Distribution Services on Web Subscription to a report or Report Services document which will be executed when a certain conditional threshold is met based on another executing report. For example, a scheduled report executes which shows the Revenue by day for the past week. If the Revenue on any one day falls below a certain value, a subscription to another report or Report Services document can be triggered and delivered to a recipient. An alert based subscription can only be created directly on a report; however, another report or Report Services document can be delivered when the alert based subscription is triggered. Note: you need a grid report to create an alert and you cannot create if you want to create on a document with text boxes. The following example will walk through the basic steps on how to setup a subscription based on an alert like this: Follow the brief  steps bel...

Microstrategy "Error type: Odbc error. Odbc operation attempted

 "Error type: Odbc error. Odbc operation attempted: SQLExecDirect. [HYT00:0: on SQLHANDLE] [MicroStrategy][ODBC Oracle Wire Protocol driver]Timeout expired" is shown when executing reports from Web When users are trying to execute some reports in MicroStrategy web in particular, they may receive the Error “SQL Generation Complete Index out of range” and “Timeout expired” error as shown below: Possible Causes: One possible cause is that the MicroStrategy Intelligence Server using a cached database connection that was already dropped by the RDBMS. To resolve this: Admin should delete the database connection caches and create a new DSNs in case they are sharing DSNs to connect to different databases. In addition, change the settings for the ‘Connection lifetime’ and the ‘Connection idle time out’.  Follow the steps below to perform the mentioned changes and verify the report after each step and some of the settings require i-server r...

Scheduling a report or document to be sent to an FTP in MSTR

Scheduling a report or document to be sent to an FTP server You can have a report or document automatically delivered to a location on your FTP server on a specific schedule. To do so, you must subscribe to the report or document, as described in the steps below. You can customize your subscription by typing macros in the  File Name ,  Sub-folder , or  Zip File Name  fields. These macros are automatically replaced with the appropriate text when the report or document is delivered. For example, you create a subscription to a document. If you type  {&Project}  in the  File Name field, the name of the project in which the document is saved is displayed in the name of the document when it is delivered. • This procedure assumes that an administrator has already added your FTP server as a new device in Developer. Steps to do so are included in the  System Administrator Help . To send a report or document to an FTP server on a schedule ...

Predictive modelling in Data Science using Microstrategy

Creating a predictive modelling in MicroStrategy MicroStrategy Data Mining Services has been evolving to include more data mining algorithms and functionality. One key feature is MicroStrategy Developer’s Training Metric Wizard. The Training Metric Wizard can be used to create several different types of predictive models including linear and exponential regression, logistic regression, decision tree, cluster, time series, and association rules. Linear and exponential regression The linear regression data mining technique should be familiar to you if you have ever tried to extrapolate or interpolate data, tried to find the line that best fits a series of data points, or used Microsoft Excel’s LINEST or LOGEST functions. Regression analyzes the relationship between several predictive inputs, or independent variables, and a dependent variable that is to be predicted. Regression finds the line that best fits the data, with a minimum of error. For example, you have a dataset ...

Super Cubes in MicroStrategy 2019

Super Cubes in MicroStrategy 2019 Beginning in MicroStrategy 11.0 and 2019, users will notice objects referred to as " Super Cubes ".  Super Cubes are simply a renaming of what was previously referred to as MTDI (Multi Table Data Import) Cubes. Note that only the naming convention has changed, as the functionality remains the same . This name change is visible in MicroStrategy Workstation and MicroStrategy Web. In MicroStrategy Workstation, right click on any cube created via Data Import and select Properties . The object Type is listed as Super Cube: This can also be seen when editing or authoring a dossier. In your Datasets panel, hover over the name of your dataset. The tooltip will show the dataset type listed as a Super Cube.

exact string when searching for elements in an element prompt in MicroStrategy

When a user types in keywords to tries to find element names in an element prompt, the search returns all objects containing the keywords in MicroStrategy Developer 9.4.x-10.x. However, the user would like to search for the exact phrase. It is suggested to use quotes to get exact phrase when there is a space between. Like "Black Panther" Using the MicroStrategy Tutorial Project as an example, a user wishes to search for an item named Minolta Maxxum Camera. The search results for Minolta Maxxum Camera return all items containing any or all of those words, as shown below: CAUSE: This occurs due to the search defaulting to 'ORing' the search terms. This means that any or all keywords that match the strings will be returned. The SQL for this search is shown below: SELECT ITEM_NAME FROM LU_ITEM WHERE (ITEM_NAME LIKE '%Minolta%' OR ITEM_NAME LIKE '%Maxxum%' OR ITEM_NAME LIKE '%Camera%') ACTION: To match an exact string, use...

No 'Alert' option appear when trying to create an alert-based subscription in MicroStrategy Distribution Services

The 'Alert' option does not appear when attempting to create an alert-based subscription in MicroStrategy Distribution Services In MicroStrategy Distribution Service 9.x and 10.x, and 11.x versions it is possible to create an alert-based subscription. When right-clicking the metric header of a report in MicroStrategy Web 9.0.x, the 'Alerts' option does not appear:    Cause : This issue occurs because the user attempting to create the alert does  not have all of the necessary privileges on alerts.   Fix : In order to create an alert-based subscription, the following privileges are required: In order ti get permissions to create alerts the user should be given the following privileges by the admin: New Version of Microstrategy 11.x: Server- Distribution: Older Versions of Microstrategy 9.x, 10.x etc..: Web Reporter > Web user Web Analyst > Web create alert   ...

Multi-Select Drop Down Selector with Apply Button

Multi-Select Drop Down Selector with  OK Button  When creating a Report Services Document, you may want to create a drop down selector to save space, but also would like the drop down to be a multi-selector with OK/Apply button. Below are instructions to achieve this in a Report Services Document.  Steps to Create: 1. Right click on your drop down selector and choose Properties and Formatting 2. Navigate to the Layout Tab 3. In the layout tab, click "Allow multiple selections". It will  not  indicate that the check box is enabled, but this step is mandatory.  3. Next, navigate to the Theme tab. Choose the  L ight Theme  from the drop down menu and click the Apply button. 4) Next, change the Theme back to  None  and click Apply. 4. When you return to the Layout tab, you will see the checkbox for  Allow multiple selections  is now checked.