What will the space will the index take ?

My table has 3 lakhs records
I have 5 gb freespace in my tablespace.
I need to create an index on a column which is in date format.
What will the space will the index take ?

hi,
I can not say how much space the index will take? But its always better to create an Index after your table is populated with data. Since you are doing the same it will boost the performance.
2) Choose the proper tablespace for Index. Whether the same tablespace in which your table is or use separate tablespace for Index.
Regards,
Darshan

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