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DBCREATE()

Creates an empty database from a array.
---------------------------------------------------------------------------------

 Syntax

        DBCREATE(<cDatabase>, <aStruct>,[<cDriver>],[<lOpen>],  
        [<cAlias>]) --> NIL  

 Arguments

        <cDatabase>   Name of database to be create      

        <aStruct>     Name of a multidimensional array that contains 
                  the a database structure

        <cDriver>     Name of the RDD      

        <lOpenNew>    3-way toggle to Open the file in New or Current 
                  workarea:

      +-------------------------------------------+
      | NIL   | The file is not opened.           |
      | True  | It is opened in a New area.       |
      | False | It is opened in the current area. |
      +-------------------------------------------+
        <cAlias>      Name of database Alias    

 Returns

        DBCREATE()   always returns NIL.    

 Description

      This function creates the database file specified as <cDatabase> from
      the  multidimensional array <aStruct>.If no file extension is use
      with <cDatabase>  the .DBF extension is assumed.  The array
      specified in <aStruct> must follow a few guidelines when being
      built prior to a call to DBCREATE():

      - All subscripts values in the second dimension must be set to proper
      values

      - The fourth subscript value in the second dimension - which contains
      the decimal value-must he specified. even 1kw nonnumeric fields.

      - The second subscript value in the second dimension-which contains
      the field data type-must contain a proper value: C, D, L, M or N
      It is possible to use additional letters (or clarity (e.g.,
      'Numeric'  for 'N'): however, the first letter of this array element
      must  be a proper value.

      The DBCREATE( ) function does not use the decimal field to  calculate
      the length of a character held longer than 256. Values  up to the
      maximum length of a character field (which is 65,519 bytes)  are
      stored directly in the database in the length attribute if that
      database was created via this function. However, a file containing
      fields longer than 256 bytes is not compatible with any interpreter.

      The <cDriver> parameter specifies the name of the Replaceable Da-
      tabase Driver to use to create the database. If it is not
      specified, then the  Replaceable Database Driver in the current work
      area is tised.  The <lOpenNew> parameter specifies if the already
      created database is  to be opened, and where.  If NIL, the file is
      not opened. If True,  it is opened in a New area, and if False it is
      opened in the current  area (closing any file already occupying that
      area).  The <cAlias> parameter specifies the alias name for the new
      opened database

 Examples

      function main()

      local nI, aStruct := { { "CHARACTER", "C", 25, 0 }, ;
                          { "NUMERIC",   "N",  8, 0 }, ;
                          { "DOUBLE",    "N",  8, 2 }, ;
                          { "DATE",      "D",  8, 0 }, ;
                          { "LOGICAL",   "L",  1, 0 }, ;
                          { "MEMO1",     "M", 10, 0 }, ;
                          { "MEMO2",     "M", 10, 0 } }

      REQUEST DBFCDX

      dbCreate( "testdbf", aStruct, "DBFCDX", .t., "MYALIAS" )

      RETURN NIL

Status

      Ready

 Compliance

      This function is Not CA-Clipper compliant

 Files

      Library is rdd  Header  is Dbstruct.ch



See Also: AFIELDS() DBSTRUCT()

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