Data dictionary size category

Hello Experts!
What is the case if the expected number of data records in sap database table are very much more than the records expected for the size category 4? Will it leads to dump?
Regards
Sanguine
Moderator message: FAQ, please search for previous discussions and read F1 help.
Edited by: Thomas Zloch on Mar 8, 2012

Hi
No..it wil not  leads to dump..size cat is for initial buffer alloaction.
Regards,
Raghu.l

Similar Messages

  • How to see tablespace size in data dictionary

    How can I see the tablespace size, and used tablespace size in data dictionary view?
    it is not in dba_tablespaces, and v$tablespace
    Thanks.

    I like this little piece of code of mine:
    SQL> SELECT
      2          TABLESPACE_NAME,
      3          RPAD(RPAD('|',100-PCT_FREE,'X'),100) || '|' USED
      4  FROM (SELECT TABLESPACE_NAME,
      5    100 -
      6      ROUND(100 -(SUM(BYTES)/1024/1024/1024)*100/
      7                  (SELECT SUM(BYTES)/1024/1024/1024
      8                   FROM DBA_DATA_FILES DF
      9                   WHERE DF.TABLESPACE_NAME=FS.TABLESPACE_NAME),2
    10            ) PCT_FREE,
    11    ROUND(SUM(BYTES)/1024/1024/1024,2) GIBFREE
    12  FROM DBA_FREE_SPACE FS
    13  GROUP BY TABLESPACE_NAME) TABLESPACE_SPACE
    14* ORDER BY TABLESPACE_NAME;
    TABLESPACE_NAME                USED
    ARCHDATA                       |XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX      |
    DATBIGGX                       |XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX                  |
    DATGX                          |XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX                                                      |
    DATLOWGX                       |XXXXXXXXXXXXXXXXXXXXXX                                                                             |
    IDXBIGGX                       |XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX                 |
    IDXLGX                         |XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX                |
    IDXGX                          |XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX          |
    LOGMNRTS                       |XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX                                           |
    SYSTEM                         |XXXXXXXXXXXXXXXX                                                                                   |
    TOOLS                          |XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX                                                   |
    UNDOGX                         |XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX                                         |Yoann.

  • Changing of data class and size category for keyfigures .

    Hi,
    I am not able to change the data class and size category for keyfigures .
    can you please let me know how to enable the changing of data class and size category for keyfigure under Maintain DB storage parameters.

    Ok then it sounds like your primary key of 8 fields and secondary index of 3 non-unique fields appear somewhat similar to the database and it wrongly uses the secondary index. Perhaps you can try to declare the table as a SORTED table with index fields as key. I doubt this will do any good, but you can try.
    You can try to deactivate the sec. index if it is not being used.
    Or by far the best but also debatable, try to pass hints to the SQL parser by %_hints statement. Please refer to SAP note 129385 for details on hints in general and note 772497 for various hints statements for  ORACLE DB. This will surely make the DB interface use the primary index and the update would be faster. But with 1 million records, hopefully you are not looking at response time in micro seconds, are you?
    rgds,
    Prabhu

  • Size category in technical settings while creating database table

    Hi all,
    I am creating custom table in ABAP dictionary, while allocating size category in technical settings F4 help values are not coming.i am entering 0,but number of records expected range is not coming.i searched across SDN but couldn't find  anything related to it.
    Thanks in advance.
    Sheela Patil
    Edited by: Sheela Patil on Oct 4, 2011 7:21 PM

    Hi
    Check it properly it will dispaly the size ranges on clicking F4 button.
    In this format it will display on clicking F4 button on size category field.
    SzCat Number of data records of table expected
    0                0 to         4,800
    1            4,800 to        19,000
    2           19,000 to        76,000
    3           76,000 to       300,000
    4          300,000 to     1,200,000
    5        1,200,000 to     2,400,000
    6        2,400,000 to     4,900,000
    7        4,900,000 to     9,800,000
    8        9,800,000 to    19,000,000
    I hope it is solved for you.

  • Size Category of a standard table  - - Urgent

    Guys,
    Suppose the data in the table exceeds the size category of the table defined, will there be any problem??
    Is there any possibility of changing the size category of the standard table??
    Regards
    Jiku

    Hi,
    <u><b>Internal tables</b></u>
    Internal tables provide a means of taking data from a fixed structure and storing it in working memory in ABAP. The data is stored line by line in memory, and each line has the same structure. In ABAP, internal tables fulfill the function of arrays. Since they are dynamic data objects, they save the programmer the task of dynamic memory management in his or her programs. You should use internal tables whenever you want to process a dataset with a fixed structure within a program. A particularly important use for internal tables is for storing and
    formatting data from a database table within a program. They are also a good way of including very complicated data structures in an ABAP program.
    Like all elements in the ABAP type concept, internal tables can exist both as data types and as data objects. A data type is the abstract description of an internal table, either in a program or centrally in the ABAP Dictionary, that you use to create a concrete data object. The data type is also an attribute of an existing data object.
    <b>Internal Tables as Dynamic Data Objects</b>
    Data objects that are defined either with the data type of an internal table, or directly as an internal table, are always fully defined in respect of their line type, key and access method. However, the number of lines is not fixed. Thus internal tables are dynamic data objects, since they can contain any number of lines of a particular type. The only restriction on the number of lines an internal table may contain are the limits of your system installation. The maximum memory that can be occupied by an internal table (including its internal administration) is 2
    gigabytes. A more realistic figure is up to 500 megabytes. An additional restriction for hashed tables is that they may not contain more than 2 million entries. The line types of internal tables can be any ABAP data types - elementary, structured, or internal tables. The individual lines of an internal table are called table lines or table entries. Each component of a structured line is called a column in the internal table.
    Regards,
    Bhaskar

  • Size category

    Hi Experts
           While creating table in SE11, we mention size category,
    If the records exceeds the limit what we mentioned in the table,
    then how it will store data.
       for example, if exceeds 12000 records,  cant we store data in the table.
    pls advice me.
    regards
    rajaram

    Hi,
      The size category describes the expected storage requirements for the table on the database.
    An initial extent is reserved when a table is created on the database. the size of the initial extent is identical for all size categories. If the table needs more space for data at a later time, extents are added. These additional extents have a fixed size that is determined by the size category specified in dictionary.
    Regards
    Abhijeet

  • Various Data DIctionary VIews

    After posting something here a few days back about the myriad views needing to be digested for the Fund.I Exam, I have just gleaned this lot from the Couchman book. No doubt some of the pros out there may well correct me, but this is simple what I have collected from the book, in the last 3 hours. Cheers.
    Dictionary Views
    Data Dictionary
    Which users are in the database password file:
    V$PWFILE_USERS
    Where values set in the init.ora file can be viewed – all parameters:
    V$PARAMETER
    Script used to create the objects that comprise the data dictionary:
    catalog.sql
    To grant a special role to users so they can look at DBA views:
    SELECT_CATALOG_ROLE
    Information about all database objects in the database:
    DBA_OBJECTS
    Information about all tables in the database:
    DBA_TABLES
    Information about all indexes in the database:
    DBA_INDEXES
    Information about all views (including dictionary views) in the database:
    DBA_VIEWS
    Information about all sequences in the database:
    DBA_SEQUENCES
    Information about all users in the database:
    DBA_USERS
    Information about all constraints in the database:
    DBA_CONSTRAINTS
    Information about all table columns that have constraints on them:
    DBA_CONS_COLUMNS
    Information about all columns that have indexes on them in the database:
    DBA_IND_COLUMNS
    Information about all columns in all the tables in the database:
    DBA_TAB_COLUMNS
    Information about all the roles in the database:
    DBA_ROLES
    Information about all object privileges in the database:
    DBA_TAB_PRIVS
    Information about all system privileges granted to all users in the database:
    DBA_SYS_PRIVS
    Displays all PL/SQL source code in the database:
    DBA_SOURCE
    Information about all triggers in the database:
    DBA_TRIGGERS
    Information about object privileges granted to roles
    ROLE_TAB_PRIVS
    Information about system privileges granted to roles
    ROLE_SYS_PRIVS
    Information about roles granted to roles
    ROLE_ROLE_PRIVS
    Information about all tablespaces in the database:
    DBA_TABLESPACES
    Information about all profiles in the database:
    DBA_PROFILES
    For all parameters?
    V$PARAMETER
    General information about the database mounted to your instance:
    V$DATABASE
    Most information about the performance of the database is kept here:
    V$SYSSTAT
    Most information about the performance for individual user sessions is stored here:
    V$SESSION , V$SESSTAT
    Information about online redo logs (2)
    V$LOG, V$LOGFILE
    Information about datafiles
    V$DATAFILE
    Basic information about control files, and the two columns it has:
    V$CONTROLFILE. STATUS / NAME
    An object you can query to obtain a listing of all data dictionary objects (4)
    CATALOG, CAT, DICTIONARY, DICT.
    When the control file was created, Sequence Number, most recent SCN:
    V$DATABASE
    Information stored in different sections of the control file, Sequence Number:
    V$CONTROLFILE_RECORD_SECTION
    To see the names and locations of all control files in the db? (2)
    V$PARAMETER. V$CONTROLFILE
    Tablespace and Datafiles
    Temporary Segments:
    Name, tablespace location, and owner of temporary segments:
    DBA_SEGMENTS
    Size of temporary tablespaces, current number of extents allocated to sort segments, and sort segment high-water mark information. Space usage allocation for temporary segments:
    V$SORT_SEGMENT
    Types of sorts that are happening currently on the database
    V$SORT_USAGE
    To see the username corresponding with the session:
    V$SESSION
    Information about every datafile in the database associated with a temporary tablespace:
    DBA_TEMP_FILES
    Similar to DBA_TEMP_FILES, this performance view gives Information about every datafile in the database associated with a temporary tablespace:
    V$TEMPFILE
    Storage Structures
    A summary view, contains all types of segments and their storage parameters, space utilization settings:
    DBA_SEGMENTS
    Tablespace quotas assigned to users:
    DBA_TS_QUOTAS
    Segment name, type, owner, total bytes of extent, name of tablespace storing the extent:
    DBA_EXTENTS
    The location and amount of free space by tablespace name:
    DBA_FREE_SPACE
    The location of free space in the tablespace that has been coalesced:
    DBA_FREE_SPACE_COALESCED
    Information about datafiles for every tablespace
    DBA_DATAFILES
    Performance view for information for datafiles for every tablespace
    V$DATAFILE
    To see the total amount of space allocated to a table?
    DBA_EXTENTS
    Table creation timestamp, information about the object ID:
    DBA_OBJECTS
    High water mark, all storage settings for a table, and statistics collected as part of the analyze (for row migration) operation on that table
    DBA_TABLES
    Information about every column in every table:
    DBA_TAB_COLUMNS
    To determine how many columns are marked unused for later removal?
    DBA_UNUSED_COL_TABS
    To find the number of deleted index entries ?
    INDEX_STATS
    To determine the columns on a table that have been indexed:
    DBA_ID_COLUMNS
    The dynamic view to show whether the index is being used in a meaningful way?
    V$OBJECT_USAGE
    To see whether a constraint exists on a particular column?
    DBA_CONS_COLUMNS
    To see the constraints associated with a particular table:
    DBA_CONSTRAINTS
    To find the username, ID number, (encrypted) password, default and temporary tablespace information, user profile of a user, password expiry date:
    DBA_USERS
    To all objects, which objects belong to which users, how many objects a user has created?
    DBA_OBJECTS
    Resource-usage parameters for a particular profile:
    DBA_PROFILES
    Identifies all resources in the database and their corresponding cost:
    RESOURCE_COST
    Identifies system resource limits for individual users:
    USER_RESOURCE_LIMITS
    Shows all system privileges:
    DBA_SYS_PRIVS
    Show all object privileges:
    DBA_TAB_PRIVS
    Shows all privileges in this session available to you as the current user:
    SESSION_PRIVS
    Views for audits currently taking place are created by this script:
    cataudit.sql
    a list of audit entries generated by the exists option of the audit command:
    DBA_AUDIT_EXISTS
    A list of audit entries generated for object audits:
    DBA_AUDIT_OBJECT
    A list of audit entries generated by session connects and disconnects:
    DBA_AUDIT_SESSION
    A list of audit entries generated by statement options of the audit command:
    DBA_AUDIT_STATEMENT
    A list of all entries in the AUD$ table collected by the audit command:
    DBA_AUDIT_TRAIL
    To determine the roles available in the database, the names of all the roles on the database and if a password is required to use each role:
    DBA_ROLES
    Names of all users and the roles granted to them:
    DBA_ROLE_PRIVS
    All the roles and the roles that are granted to them:
    ROLE_ROLE_PRIVS
    Which system privileges have been granted to a role:
    DBA_SYS_PRIVS
    All the system privileges granted only to roles:
    ROLE_SYS_PRIVS
    All the object privileges granted only to roles:
    ROLE_TAB_PRIVS
    All the roles available in the current session:
    SESSION_ROLES
    Which object privilege has been granted to a role:
    DBA_TAB_PRIVS
    To display the value of the NLS_CHARACTERSET parameter:
    NLS_DATABASE_PARAMETERS
    DA

    You can also find a lot of stuff by doing:
    SELECT *
    FROM dictionary;

  • Oracle Error in a Data Dictionary

    Is there a data dictionary or table that contains all Oracle errors and it's description?

    or sqlerrm
    begin
      for i in 1..100 loop
        if (sqlerrm(-i) not like '%Message % not found%') then
          dbms_output.put_line(sqlerrm(-i));
        end if;
      end loop;
    end;
    ORA-00001: unique constraint (.) violated
    ORA-00017: session requested to set trace event
    ORA-00018: maximum number of sessions exceeded
    ORA-00019: maximum number of session licenses exceeded
    ORA-00020: maximum number of processes () exceeded
    ORA-00021: session attached to some other process; cannot switch session
    ORA-00022: invalid session ID; access denied
    ORA-00023: session references process private memory; cannot detach session
    ORA-00024: logins from more than one process not allowed in single-process mode
    ORA-00025: failed to allocate
    ORA-00026: missing or invalid session ID
    ORA-00027: cannot kill current session
    ORA-00028: your session has been killed
    ORA-00029: session is not a user session
    ORA-00030: User session ID does not exist.
    ORA-00031: session marked for kill
    ORA-00032: invalid session migration password
    ORA-00033: current session has empty migration password
    ORA-00034: cannot  in current PL/SQL session
    ORA-00035: LICENSE_MAX_USERS cannot be less than current number of users
    ORA-00036: maximum number of recursive SQL levels () exceeded
    ORA-00037: cannot switch to a session belonging to a different server group
    ORA-00038: Cannot create session: server group belongs to another user
    ORA-00040: active time limit exceeded - call aborted
    ORA-00041: active time limit exceeded - session terminated
    ORA-00042: Unknown Service name
    ORA-00050: operating system error occurred while obtaining an enqueue
    ORA-00051: timeout occurred while waiting for a resource
    ORA-00052: maximum number of enqueue resources () exceeded
    ORA-00053: maximum number of enqueues exceeded
    ORA-00054: resource busy and acquire with NOWAIT specified
    ORA-00055: maximum number of DML locks exceeded
    ORA-00056: DDL lock on object '.' is already held in an incompatible mode
    ORA-00057: maximum number of temporary table locks exceeded
    ORA-00058: DB_BLOCK_SIZE must be  to mount this database (not )
    ORA-00059: maximum number of DB_FILES exceeded
    ORA-00060: deadlock detected while waiting for resource
    ORA-00061: another instance has a different DML_LOCKS setting
    ORA-00062: DML full-table lock cannot be acquired; DML_LOCKS is 0
    ORA-00063: maximum number of log files exceeded
    ORA-00064: object is too large to allocate on this O/S (,)
    ORA-00065: initialization of FIXED_DATE failed
    ORA-00067: invalid value  for parameter ; must be at least
    ORA-00068: invalid value  for parameter , must be between  and
    ORA-00069: cannot acquire lock -- table locks disabled for
    ORA-00070: command  is not valid
    ORA-00071: process number must be between 1 and
    ORA-00072: process "" is not active
    ORA-00073: command  takes between  and  argument(s)
    ORA-00074: no process has been specified
    ORA-00075: process "" not found in this instance
    ORA-00076: dump  not found
    ORA-00077: dump  is not valid
    ORA-00078: cannot dump variables by name
    ORA-00079: variable  not found
    ORA-00080: invalid global area specified by level
    ORA-00081: address range [, ) is not readable
    ORA-00082: memory size of  is not in valid set of [1], [2], [4]
    ORA-00083: warning: possibly corrupt SGA mapped
    ORA-00084: global area must be PGA, SGA, or UGA
    ORA-00085: current call does not exist
    ORA-00086: user call does not exist
    ORA-00087: command cannot be executed on remote instance
    ORA-00088: command cannot be executed by shared server
    ORA-00089: invalid instance number in ORADEBUG command
    ORA-00090: failed to allocate memory for cluster database ORADEBUG command
    ORA-00091: LARGE_POOL_SIZE must be at least
    ORA-00092: LARGE_POOL_SIZE must be greater than LARGE_POOL_MIN_ALLOC
    ORA-00093:  must be between  and
    ORA-00094:  requires an integer value
    ORA-00096: invalid value  for parameter , must be from among
    ORA-00097: use of Oracle SQL feature not in SQL92  Level
    ORA-00100: no data found

  • Changing Size Category of CIF_IMOD table

    Hi,
    There was a performance issue in CO11 transaction, then we found out that , select query fetching data from the table CIF_IMOD iis expensive. So we created a secondary index for this table(N0n-Unique index-->No database index). The performance issue was resolved for few days. Again we are facing the same issue and now we are trying to change the size category fo the table CIF_IMOD. Currently its size category is 1 (holds  75 to  340 records) . but it contains more records.
    Please advice me will it improve the performance after changing the size category and what will be its impact on the system.
    If someone had faced the same issue please share your experience,
    Thanks
    -Always Learner

    Hi,
    Size category will not improve the performance data reading from table, It used only how motch tablespace allow when extend the table size.
    You should check for which index is corrently and it is right index or not.
    Check for last Index Statistics update date, if it is not updated recently, Tell basis person to update index statics.
    Rgds
    Ravi Lanjewar
    Edited by: Ravishankar Lanjewar on Jun 23, 2010 1:48 PM

  • ORA-01173: data dictionary indicates missing data file from system tablespa

    Hello
    My Database is 11gR1 and Linux is the OS. Thought of posting it as a new thread as things have changed a lot.
    2 of my database file were lost due to hardware failure. (the datafile do not belong to SYSTEM TABLESPACE) and and the second was datafile for undo tablespace.
    I created control files with command not mentioning the lost datafiles:
    CREATE CONTROLFILE REUSE DATABASE "BSSGLB" NORESETLOGS NOARCHIVELOG
    MAXLOGFILES 32
    MAXLOGMEMBERS 5
    MAXDATAFILES 600
    MAXINSTANCES 10
    MAXLOGHISTORY 1168
    LOGFILE
    GROUP 1 '/DB/app/oracle/oradata/bssglb/redo01.log' SIZE 500M,
    GROUP 2 '/DB/app/oracle/oradata/bssglb/redo02.log' SIZE 500M,
    GROUP 3 '/DB/app/oracle/oradata/bssglb/redo03.log' SIZE 500M
    -- STANDBY LOGFILE
    DATAFILE
    '/DB/app/oracle/oradata/bssglb/system01.dbf',
    '/DB/app/oracle/oradata/bssglb/sysaux01.dbf',
    '/DB/app/oracle/oradata/bssglb/users01.dbf',
    '/DB/app/oracle/oradata/bssglb/bss01.dbf',
    '/var/oracle/oradata/bssglb/bss02',
    '/var/oracle/oradata/bssglb/system02.dbf'
    CHARACTER SET US7ASCII
    I have all the files mentioned in the datafile section of the above command.
    But somehow when i try to open the DB, first it asks for the media recover. When i recover database then it disconnects database saying:
    ERROR at line 1:
    ORA-01092: ORACLE instance terminated. Disconnection forced
    Process ID: 4768
    Session ID: 170 Serial number: 5
    Contents of the alert log file are:
    Beginning crash recovery of 1 threads
    parallel recovery started with 3 processes
    Started redo scan
    Completed redo scan
    1 redo blocks read, 0 data blocks need recovery
    Started redo application at
    Thread 1: logseq 7, block 2, scn 20356182450
    Recovery of Online Redo Log: Thread 1 Group 1 Seq 7 Reading mem 0
    Mem# 0: /DB/app/oracle/oradata/bssglb/redo01.log
    Completed redo application
    Completed crash recovery at
    Thread 1: logseq 7, block 3, scn 20356202453
    0 data blocks read, 0 data blocks written, 1 redo blocks read
    Sun Feb 20 08:16:23 2011
    Thread 1 advanced to log sequence 8
    Thread 1 opened at log sequence 8
    Current log# 2 seq# 8 mem# 0: /DB/app/oracle/oradata/bssglb/redo02.log
    Successful open of redo thread 1
    MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
    Sun Feb 20 08:16:23 2011
    SMON: enabling cache recovery
    Errors in file /Oracle/app/oracle/diag/rdbms/bssglb/bssglb/trace/bssglb_ora_4550.trc:
    ORA-01173: data dictionary indicates missing data file from system tablespace
    Error 1173 happened during db open, shutting down database
    USER (ospid: 4550): terminating the instance due to error 1173
    Sun Feb 20 08:16:25 2011
    Instance terminated by USER, pid = 4550
    ORA-1092 signalled during: alter database open...
    ORA-1092 : opiodr aborting process unknown ospid (4550_182910338848)
    Sun Feb 20 08:16:26 2011
    ORA-1092 : opitsk aborting process
    Guys please help me out of this situation.
    Regards, Imran

    STOP opening new threads for ongoing solution to SAME problem
    Re: I have copy of data files! How to install and add these files to database!
    Re: Failure of network storage!
    Re: I have copy of data files! How to install and add these files to database!
    Handle:      misterimran
    Email:      misterimran
    Status Level:      Newbie
    Registered:      Jan 15, 2002
    Total Posts:      1,109
    Total Questions:      130 (115 unresolved)
    so many questions & so few answers!
    Edited by: sb92075 on Feb 19, 2011 7:49 PM

  • Error in Size category in COPA

    Dear experts,
    When i creating Operating concern.System is showing error message'" maintain size category of CE1s001 in SE13 tcode.
    Not able to understand the logic.Why it is required?
    If i will maintain.Will not hurt the process.Becoz i will create operating concern later based on client requirements.
    Right now i m adding Batch field in operating concern S001 in gloden client so that i can do some testing.
    regards
    RR

    HI,
    for CE1S001 the size category is empty in SE13, thus you cannot use this sample operating concern if you don't maintain a size category.
    F1 help: Size category
         The size category determines the probable space requirement for a table
         in the database.
         You can select the categories 0 to 4 for your table. Each category is
         assigned a specific fixed storage area value in the database. When you
         create a table, initial space is saved for it in the database. If more
         space is required later as a result of data that has been entered, the
         storage space is increased in accordance with the category selected.
         Press F4 on the field Size category to see the number of data records
         that can be maintained for the individual categories of your table
         without complications ensuing. These complications could be for example
         a reorganization becoming necessary because the maximum space to be
         reserved for the table was exceeded due to the maintained size category.
    BR Christian

  • LIKP Techinical Settings Size Category

    Hello colleagues, I'm opening this thread on behalf of a friend.
    In DEV System, the table LIKP contains 7.2 million records and size category in Technical Settings is '2' (Data records expected: 2,500 to
    10,000 ). Is it advisable to increase the size category to 6. Does this improve the database performance? If Yes, then can we increase the size category? can this be applied to other SAP standard Tables whose size category is not matching with the record count?
    Thanks in advance!
    Best regards,
    Daniel.

    This is what the f1 documentation on size category says
    Each category is assigned a specific fixed storage area value in the database. When you create a table, initial space is saved for it in the database. If more space is required later as a result of data that has been entered, the storage space is increased in accordance with the category selected.
    So defining the size category is for storage . .Hope this gives the answer for your question.

  • Regarding size category

    i have created a custom table with size category as 0 to....
    as it aceepts only 19000 records.when i need to add 25000 record will it accept.if not,what error will be passed.

    hi
    size cataogiry just allocate space in database to store that table data; if the table records exceed than size catagory limits then those rows are stored in data base but not in sequence because of that performance has slite effect but u need not to consider about that. till the size cataogiry range the records will entered line by line in data base , so when retriving data simple to retrive.
    with regds:
    rajesh.k

  • Size category while creating a ztable

    Hi,
    I had created a ZTABLE with Size category(Technical Settings) as 1 which has a capacity of 1,400 to ,5700.
    Just in case at a later date if the no.fo records gets increased will the system take care of the size category by itself
    or it has to  be changed again.
    Thanks,
    K.Kiran

    if you know that this may be increased, better define it as a greater value range.
    but any ways.
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