temp table primary key

You don't need to drop a constraint and then immediately drop the tabl...

You don't need to drop a constraint and then immediately drop the table. It is simpler to just drop the table. Also, there really is no need to name.

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The "SELECT TOP (0) INTO.." trick is clever but my recommendation...

The "SELECT TOP (0) INTO.." trick is clever but my recommendation is to script out the table yourself for reasons just like this. SELECT INTO.

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However, if I change this to CREATE the PK in an ALTER TABLE statement, ABC...

However, if I change this to CREATE the PK in an ALTER TABLE statement, ABC ADD CONSTRAINT ABC_PK PRIMARY KEY CLUSTERED  Temp Table's Primary Key Default.

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SQL statements reference the temporary table by using the CREATE TABLE #MyT...

SQL statements reference the temporary table by using the CREATE TABLE #MyTempTable (cola INT PRIMARY KEY);.

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Setting Primary key on Temporary Table: Key error....

Setting Primary key on Temporary Table: Key error.

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Now, not every temp table needs a clustered index. .. A common one is to pu...

Now, not every temp table needs a clustered index. .. A common one is to put an identity on the table and a primary key on that (clustered by.

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a clustered index on a table variable (@table) by defining a primary key or...

a clustered index on a table variable (@table) by defining a primary key or unique constraint, it is generally more efficient to use a temp table.

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Temporary tables support primary keys. SQL> SQL> create table employe...

Temporary tables support primary keys. SQL> SQL> create table employee(2 emp_no integer primary key 3,lastname varchar2(20) not null 4,firstname.

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Temporary tables support adding clustered and non-clustered indexes after t...

Temporary tables support adding clustered and non-clustered indexes after the temporary table creation and implicitly by defining Primary key.

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I am starting to appreciate the absolute awesomeness of table variables. Ra...

I am starting to appreciate the absolute awesomeness of table variables. Rather than using those dreaded cursors, I use a temporary working.

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Are you sure that you need a Primary Key and not simply an auto-incrementin...

Are you sure that you need a Primary Key and not simply an auto-incrementing The table you are using is not actually a temporary table.

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A clustered index will dictate the order of the data in the pages of your t...

A clustered index will dictate the order of the data in the pages of your table. When your temp table is initially populated, the inserted data will.

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Indexes on temp tables are also usually a good thing, unless you built them...

Indexes on temp tables are also usually a good thing, unless you built them incorrectly CREATE TABLE #t1 (c1 int primary key, c2 int, c2 int).

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Any referential integrity constraints (primary key, foreign key, etc.). .. ...

Any referential integrity constraints (primary key, foreign key, etc.). .. In contrast to temporary tables, a transient table exists until explicitly dropped and is visible.

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Temporary tables exist in a special schema, so a schema name cannot be give...

Temporary tables exist in a special schema, so a schema name cannot be given . The PRIMARY KEY constraint specifies that a column or columns of a table.

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