SQL: SQL stands for “Structured Query Language”. The current version of SQL is “ANSI SQL – 92”. It contains constructs which are used to define and process database . They are executed using DBMS-supplied command prompt. SQL is not a programming language. It is text-based and it is also called as data sublanguage. In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on. ALTER TABLE Statement: “ALTER TABLE” statement comes under Data Definition Language. It is used to modify column, add constraints, add column(s), drop column, rename column name and table name, drop constraints, and so on. To add a new column, “ADD COLUMN” keyword should be used after mentioning the table name. Syntax: Syntax to add a column to an existing table is as follows: (The below query was executed in SQL Server Management Studio). ALTER TABLE table_Name ADD COLUMN column_Name datatype;

Question

Want to see the full answer?

Answer 1

Question

Chapter 3, Problem 3.47RQ

Program Plan Intro

SQL:

SQL stands for “Structured Query Language”.

The current version of SQL is “ANSI SQL – 92”.

It contains constructs which are used to define and process database. They are executed using DBMS-supplied command prompt.

SQL is not a programming language. It is text-based and it is also called as data sublanguage. In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on.

ALTER TABLE Statement:

“ALTER TABLE” statement comes under Data Definition Language. It is used to modify column, add constraints, add column(s), drop column, rename column name and table name, drop constraints, and so on. To add a new column, “ADD COLUMN” keyword should be used after mentioning the table name.

Syntax:

Syntax to add a column to an existing table is as follows: (The below query was executed in SQL Server Management Studio).

ALTER TABLE table_Name ADD COLUMN column_Name datatype;

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

(A) A cellular system has 12 microcells with 10 channels per cell. The microcells are split into 3 microcells, and each microcell is further split into 4 picocells. Determine the number of channels available in system after splitting into picocelles.

Question 8 (10 points) Produce a relational schema diagram that corresponds to the following ER diagram for a Vacation Property Rentals database. Your relational schema diagram should include primary & foreign keys. Upload your relational schema diagram as a PDF document. Don't forget that the relation schemas for "Beach Property" and "Mountain Property" should each have primary keys. FYI: "d" in this notation denotes a subclass. Figure 2: ER Diagram for Question 8 id first RENTER name middle last address phone email 1 signs N id begin date RENTAL AGREEMENT end date amount N street address books city id 1 state address num. rooms PROPERTY zip code base rate type propertyType blocks to beach activity "B" "M" BEACH PROPERTY MOUNTAIN PROPERTY

Notes: 1) Answer All Question, 2) 25 points for each question QI Figurel shows the creation of the Frequency Reuse Pattern Using the Cluster Size K: (A) illustrates how i and j can be used to locate a co-channel cell. huster 3 Cluster Cluster 2 X=7(i=2,j1)