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-> goto to se11 & enter table name & display(f7),
->then press indexes.. button on the application toolbar,
->if secondary indexes already exist, a list of them will
be displayed in a dialog box named indexes for table
xxxxx.to create an index,press the create(f5) button.the
create index dialog box will be displayed.
->if no secondary indexes exist,you will not see a list of
indexes.Instead, you will see the create index dialog box
immediately.
->enter an index id in the index id field.customer indexes
should begin with y or z,although the system does not
enforce this.
->press the continue button.the abap/4 dictionary:table
maintain index screen is displayed.
->in the short text field,type a description of the index.
->in the fld name column,type the fields that should
comprise the index in the order that they should be sorted.
->if the values in these fields when taken together must
always be unique be unique,tickmark the unique index check
box.
->press the save button on the application toolbar.the
values in the status fields are now NEW & SAVED & directly
below them the message Does not exist in the database
appears.Also, the message Index xxx to table xxxxx was
SAVED appears at the bottom of the window in the status bar.
->press the Activate button on the Application toolbar.The
system generates SQL & sends it to the RDBMS,creating the
index in the database.If successful,the status fields read
ACTIVE & SAVED, & below the satus fields the message EXISTS
IN THE DATABASE appears.The DB Index Name field will
contain the name of the index in the database.Also, in the
status bar, the message INDEX xxxxx was successfully
activated , is displayed.
->press Back. The Indexes for Table xxxxx screen is
displayed.
->press Cancel to return to the Dictionary:
Table/Structure: Display Fields screen.
CAUTION: if you tickmark the Unique Index checkbox, the
combination of fields in the index is guaranteed to be
uniwue; this is enforced by the RDBMS. An insert or modify
statement will fail if the combination of values in index
fields is already present in the table.
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