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  1. Answers
    23
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    105,528

    SQL Re: Query to find structure of a table

    DESC <TABLE NAME>

    EX : DESC EMPDETAILS
  2. Answers
    3
    Views
    1,436

    Oracle Re: Record Size

    Try this query select length(div_code)+length(name) as "size" from pay
  3. Answers
    20
    Views
    37,827

    Oracle Re: Dual Table in Oracle

    Hi

    Try this query

    select greatest(10,15,20,30,) from dual

    greatest value
    -------------
    30
  4. Oracle Re: Creating a table by copying another table's structure

    Hi

    Try this following query

    create table <Newtablename > as select *from <Data table name >
    where <field_name> is null

    the above query copied only data structure from Data table name
  5. Oracle Re: Add a new column to a table and insert values

    The following commands used for adding new column and inserting values to the table.

    1. For adding column to the table

    ALTER TABLE emp
    ADD ( EMP_NAME VARCHAR(30));

    2. For inserting data...
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