What is the basic data structure that is required for creating an LOV?

1 Answer

Answer :

Record Group.

Related questions

Description : What is the difference between static and dynamic lov

Last Answer : The static lov contains the predetermined values while the dynamic lov contains values that come at run time

Description : How do you use the same lov for 2 columns

Last Answer : We can use the same lov for 2 columns by passing the return values in global values and using the global values in the code

Description : What are the built_ins used the display the LOV?

Last Answer : Show_lov List_values

Description : What is the built-in used to get and set lov properties during run-time?

Last Answer : Get_lov_property Set_lov_property Record Group

Description : Can you attach an lov to a field at design time?

Last Answer : Yes

Description : Can you attach an lov to a field at run-time? if yes, give the build-in name.?

Last Answer : Yes. Set_item_proprety

Description : What is an LOV?

Last Answer : An LOV is a scrollable popup window that provides the operator with either a single or multi column selection list.

Description : What are the built-ins that are used for setting the LOV properties at runtime?

Last Answer : get_lov_property set_lov_property

Description : What are the difference between lov & list item?

Last Answer : Lov is a property where as list item is an item. A list item can have only one column, lov can have one or more columns.

Description : What are the built-ins that are used to Attach an LOV programmatically to an item?

Last Answer : set_item_property get_item_property (by setting the LOV_NAME property)

Description : What is the "LOV of Validation" Property of an item? What is the use of it?

Last Answer : When LOV for Validation is set to True, Oracle Forms compares the current value of the text item to the values in the first column displayed in the LOV. Whenever the validation event occurs. If ... the LOV and uses the text item value as the search criteria to automatically reduce the list.

Description : What is the basic structure of PL/SQL ?

Last Answer : PL/SQL uses block structure as its basic structure. Anonymous blocks or nested blocks can be used in PL/SQL.

Description : When creating a user, what permissions must you grant to allow them to connect to the database?

Last Answer : Grant the CONNECT to the user.

Description : Which parameter specified in the DEFAULT STORAGE clause of CREATE TABLESPACE cannot be altered after creating the tablespace?

Last Answer : All the default storage parameters defined for the tablespace can be changed using the ALTER TABLESPACE command. When objects are created their INITIAL and MINEXTENS values cannot be changed.

Description : How can a text file be attached to a report while creating in the report writer?

Last Answer : By using the link file property in the layout boiler plate property sheet.

Description : What are the built-ins used for Creating and deleting groups?

Last Answer : CREATE-GROUP (function) CREATE_GROUP_FROM_QUERY(function) DELETE_GROUP(procedure)

Description : How is the data structure of System R different from the relational structure? Unlike Relational systems in System R

Last Answer : ∙ Domains are not supported ∙ Enforcement of candidate key uniqueness is optional ∙ Enforcement of entity integrity is optional ∙ Referential integrity is not enforced

Description : What are the basic element of Base configuration of an oracle Database ?

Last Answer : It consists of one or more data files. one or more control files. two or more redo log files. The Database contains multiple users/schemas one or more rollback segments one or more tablespaces ... (Data Base Write) ARCH (ARCHiver) CKPT (Check Point) RECO Dispatcher User Process with associated PGS

Description : Where in the Oracle directory tree structure are audit traces placed?

Last Answer : In unix $ORACLE_HOME/rdbms/audit, in Windows the event viewer

Description : Give two examples of how you might determine the structure of the table DEPT.

Last Answer : Use the describe command or use the dbms_metadata.get_ddl package.

Description : What is IAPXTB structure ?

Last Answer : The entries of Pro * C and user exits and the form which simulate the proc or user_exit are stored in IAPXTB table in d/b.

Description : Give the structure of the function ?

Last Answer : FUNCTION name (argument list .....) Return datatype is local variable declarations Begin executable statements Exception execution handlers End;

Description : Give the structure of the procedure ?

Last Answer : PROCEDURE name (parameter list.....) is local variable declarations BEGIN Executable statements. Exception. exception handlers end;

Description : What are the built -ins used for Modifying a groups structure?

Last Answer : ADD-GROUP_COLUMN (function) ADD_GROUP_ROW (procedure) DELETE_GROUP_ROW(procedure)

Description : What are the components of logical database structure of Oracle database?

Last Answer : There are tablespaces and database's schema objects.

Description : What are the components of physical database structure of Oracle database?

Last Answer : Oracle database is comprised of three types of files. One or more datafiles, two are more redo log files, and one or more control files.

Description : What is Enterprise Structure Configurator (ESC) and what are the benefits of using it?

Last Answer : The ESC is an interview-based tool that guides you through the configuration of your enterprise structures. Use the ESC as part of your set up to define the organization structures and job and position structures of the enterprise.

Description : Physical Structure of Database

Last Answer : Usually a database has the below files: a) Data Files (*.dbf) ------------------- b) Redo Logs (*.log) ------------------- c) Undo (*.dbf) ------------------------- d) Spfile or init file ---------- ... - g) Control Files (*.ctl) ------------------- h) Backup Files ----------------------------

Description : Explain Oracle memory structure

Last Answer : The Oracle RDBMS creates and uses storage on the computer hard disk and in random access memory (RAM). The portion in the computer s RAM is called memory structure. Oracle has two memory structures ... the user has retrieved from the database or data that the user wants to place into the database.

Description : How can you check the structure of a table from sqlplus?

Last Answer : DESCRIBE or DESC

Description : How many minimum groups are required for a matrix report

Last Answer : The minimum number of groups in matrix report are 4

Description : How does one give developers access to trace files (required as input to tkprof)? (for DBA)

Last Answer : The "alter session set sql_trace=true" command generates trace files in USER_DUMP_DEST that can be used by developers as input to tkprof. On Unix the default file mask for these files are "rwx r-- -- ... = true Include this in your INIT.ORA file and bounce your database for it to take effect.

Description : What are the minimum number of groups required for a matrix report

Last Answer : The minimum of groups required for a matrix report are 4 e

Description : How you open and close a cursor variable.Why it is required?

Last Answer : OPEN cursor variable FOR SELECT...Statement CLOSE cursor variable In order to associate a cursor variable with a particular SELECT statement OPEN syntax is used. In order to free the resources used for the query CLOSE statement is used.

Description : What is a cursor ? Why Cursor is required ?

Last Answer : Cursor is a named private SQL area from where information can be accessed. Cursors are required to process rows individually for queries returning multiple rows.

Description : How will you estimate the space required by a non- clustered tables?

Last Answer : Calculate the total header size Calculate the available dataspace per data block Calculate the combined column lengths of the average row Calculate the total average row size. Calculate the average number rows ... add 10 % additional space to calculate the initial extent size for a working table.

Description : With which function of summary item is the compute at options required?

Last Answer : ummary item is the compute at options required?

Description : What is table? Name the basic commands for creating a table. -Technology

Last Answer : Tables are made up of rows and columns. In HTML, tables are used to display tabular data in Web pages.The basic commands for creating tables are as follows:Table tags Row tags Cell tags andCaption tags .

Description : Maximum number of vehicles that can pass a given point on a lane during one hour without creating unreasonable delay, is known as (A) Traffic density of lane (B) Basic capacity of lane (C) Probable capacity of lane (D) Practical capacity of lane

Last Answer : Answer: Option D

Description : Can a repeating frame be created without a data group as a base?

Last Answer : No

Description : Can one resize tablespaces and data files? (for DBA)

Last Answer : One can manually increase or decrease the size of a datafile from Oracle 7.2 using the command. ALTER DATABASE DATAFILE 'filename2' RESIZE 100M; Because you can change the ... UNLIMITED DEFAULT STORAGE (INITIAL 10240 NEXT 10240 MINEXTENTS 1 MAXEXTENTS UNLIMITED PCTINCREASE 0) ONLINE PERMANENT;

Description : What view would you use to look at the size of a data file?

Last Answer : DBA_DATA_FILES

Description : How do you resize a data file?

Last Answer : ALTER DATABASE DATAFILE RESIZE ;

Description : How do you add a data file to a tablespace

Last Answer : ALTER TABLESPACE ADD DATAFILE SIZE

Description : Give the two types of tables involved in producing a star schema and the type of data they hold.

Last Answer : Fact tables and dimension tables. A fact table contains measurements while dimension tables will contain data that will help describe the fact tables.

Description : Explain the difference between a data block, an extent and a segment.

Last Answer : A data block is the smallest unit of logical storage for a database object. As objects grow they take chunks of additional storage that are composed of contiguous data blocks. These groupings ... that an object takes when grouped together are considered the segment of the database object.

Description : Is it possible to insert comments into sql statements return in the data model editor?

Last Answer : Yes

Description : The join defined by the default data link is an outer join yes or no?

Last Answer : Yes

Description : Can a field be used in a report without it appearing in any data group?

Last Answer : Yes

Description : For a field in a repeating frame, can the source come from the column which does not exist in the data group which forms the base for the frame?

Last Answer : Yes