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A core statement in SQL that does what it says on the tin: inserts data into a table.
2
votes
1
answer
2k
views
What is faster - insert into new table, or delete from existing table?
Insert statement:
INSERT INTO NewTable (C1, C2, C3, C4, C5, C6, C7)
SELECT OldTable1.C1, OldTable1.C2, OldTable1.C3, OldTable1.C4, OldTable1.C5, OldTable1.C6, OldTable1.C7
FROM OldTable1
INNER JOIN …
4
votes
2
answers
531
views
Will a clustered index speed up this query? (Inner join with a where clause)
Here is the query:
INSERT INTO NewTable (C1, C2, C3, C4, C5, C6, C7)
SELECT OldTable1.C1, OldTable1.C2, OldTable1.C3, OldTable1.C4, OldTable1.C5, OldTable1.C6, OldTable1.C7
FROM OldTable1
INNER JOIN …