Answer Posted / mohammadali.info

Syntax #1 - Copying all columns from another table

The basic syntax is:

CREATE TABLE new_table
AS (SELECT * FROM old_table);


For example:

CREATE TABLE suppliers
AS (SELECT *
FROM companies
WHERE id > 1000);

Syntax #2 - Copying selected columns from another table

The basic syntax is:

CREATE TABLE new_table
AS (SELECT column_1, column2, ... column_n FROM old_table);


For example:

CREATE TABLE suppliers
AS (SELECT id, address, city, state, zip
FROM companies
WHERE id > 1000);

Syntax #3 - Copying selected columns from multiple tables

The basic syntax is:

CREATE TABLE new_table
AS (SELECT column_1, column2, ... column_n
FROM old_table_1, old_table_2, ... old_table_n);


For example:

CREATE TABLE suppliers
AS (SELECT companies.id, companies.address, categories.cat_type
FROM companies, categories
WHERE companies.id = categories.id
AND companies.id > 1000);

What is an execution plan? When would you use it?

570

---

What are the different authentication modes in sql server?

566

---

What is the order by used for?

613

---

What are triggers in ms sql server?

597

---

What is importing utility?

544

---

---

What is database mirroring?

561

---

What is function of ROLLUP ?

640

---

What is the significance of null value and why should we avoid permitting null values?

528

---

How many columns can we include on clustered index ?

507

---

Does a full backup include transaction log?

476

---

How to delete multiple rows with one delete statement in ms sql server?

509

---

How to check status of stored procedure in sql server?

440

---

what's the maximum size of a row? : Sql server database administration

539

---

How to list all objects in a given schema?

558

---

What is change tracking in sql server?

539

---