There is a table, In one column it has implemented a index,
but the index is disturbed by the regular dml statements..
but still we need to keep the index. how it is possible?
Answer / a.v.r.murthy
GENERALLY INDEX WILL BE CREATED ON LESS NUMBER OF DML
OPERATION COLUMNS.
EVENTHOUGH IF WE WANT PERFORM BETTER THEN BEFORE INSERTING
DATA INTO THE COLUMN WE HAVE TO DISABLE THE INDEX i.e
ALTER INDEX IDX_NAME UNUSABLE;
Is This Answer Correct ? | 7 Yes | 0 No |
What is difference between stored procedure and trigger?
what the meaning of sql
how can we write a column values horizontal by using sql stmt; ex: select name from table_name;(actual output) a b c d require output is a b c d
5 Answers Honeywell, Interact,
When is the update_statistics command used?
Explain clause in sql?
What is secondary key?
i have a column which may contain this kind of value: 123*67_80,12*8889_5,34*8_874 ,12*7_7 (can contain space before a comma, and this string length can be anything) now i want to split this value into two column like: column1: 123*67,12*8889,34*8,12*7 column2: 80,5,874,7 use function for this
Can you rollback after commit?
What is the difference between join and union.
27 Answers 3i Infotech, ABC, Oracle, Polaris, TCS, XT Global,
How does stored procedure reduce network traffic?
what are the properties and different types of sub-queries? : Sql dba
What is column?