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CREATE TABLE secustomerorder AS (SELECT customer#, state, ISBN, category, quantity, cost, retail, FROM customers NATURAL JOIN orders NATURAL JOIN orderitems NATURAL JOIN books WHERE state IN(‘FL’,’GA’,’AL’)); VALUES(&var1,&var2); EXAMPLE: INSERT INTO EMP(empno,empnm,sal) values(1,`Punam’,9000); INSERT INTO EMP VALUES(1,`Punam’,9000); INSERT INTO EMP VALUES(&empno,`&empnm’,&sal); INSERT INTO EMP VALUES(&no,`&nm’,&sal); INSERT INTO EMP VALUES(&X,`&Y’,&Z); NOTE: After the ‘&’ sign it is not compulsory to use only column name to take the user input. ] [ORDER BY [ASC|DESC; SELECT (column_nm,…..) FROM tablenm; Select empno,empnm from emp; SELECT * FROM tablename; Select * from emp; SELECT * FROM tablename WHERE conditions; Select * from emp where salary CREATE TABLE tablename(col_nm,col_nm…) AS SELECT col_nm,col_nm FROM tablename; EXAMPLEs: 1) CREATE TABLE emp_temp(eno,enm) AS SELECT emp_no,emp_nm FROM emp; 2) CREATE TABLE emp_temp AS SELECT emp_no,emp_nm FROM emp; 3) CREATE TABLE emp_temp AS SELECT * from emp; 4) CREATE TABLE emp_temp AS SELECT * FROM emp Where salary INSERT INTO tablename(col_nm,col_nm,….) SELECT col_nm,col_nm… insert into emp_copy(eno,enm) select eno,enm from emp; insert into emp_copy select * from emp; ALTER TABLE tablename ADD (new_colnm datatype(size),…..); ALTER TABLE tablename MODIFY(colnm new_datatype(new_size),…..); Eg.Modifies a table definition by altering, adding, or dropping columns and constraints, reassigning and rebuilding partitions, or disabling or enabling constraints and triggers.The data type of columns included in an index cannot be changed unless the column is a varchar, nvarchar, or varbinary data type, and the new size is equal to or larger than the old size.

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CREATE TABLE secustomerorder AS (SELECT customer#, state, ISBN, category, quantity, cost, retail, FROM customers NATURAL JOIN orders NATURAL JOIN orderitems NATURAL JOIN books WHERE state IN(‘FL’,’GA’,’AL’)); VALUES(&var1,&var2); EXAMPLE: INSERT INTO EMP(empno,empnm,sal) values(1,`Punam’,9000); INSERT INTO EMP VALUES(1,`Punam’,9000); INSERT INTO EMP VALUES(&empno,`&empnm’,&sal); INSERT INTO EMP VALUES(&no,`&nm’,&sal); INSERT INTO EMP VALUES(&X,`&Y’,&Z); NOTE: After the ‘&’ sign it is not compulsory to use only column name to take the user input. ] [ORDER BY [ASC|DESC]]; SELECT (column_nm,…..) FROM tablenm; Select empno,empnm from emp; SELECT * FROM tablename; Select * from emp; SELECT * FROM tablename WHERE conditions; Select * from emp where salary CREATE TABLE tablename(col_nm,col_nm…) AS SELECT col_nm,col_nm FROM tablename; EXAMPLEs: 1) CREATE TABLE emp_temp(eno,enm) AS SELECT emp_no,emp_nm FROM emp; 2) CREATE TABLE emp_temp AS SELECT emp_no,emp_nm FROM emp; 3) CREATE TABLE emp_temp AS SELECT * from emp; 4) CREATE TABLE emp_temp AS SELECT * FROM emp Where salary INSERT INTO tablename(col_nm,col_nm,….) SELECT col_nm,col_nm… insert into emp_copy(eno,enm) select eno,enm from emp; insert into emp_copy select * from emp; ALTER TABLE tablename ADD (new_colnm datatype(size),…..); ALTER TABLE tablename MODIFY(colnm new_datatype(new_size),…..); Eg.

Modifies a table definition by altering, adding, or dropping columns and constraints, reassigning and rebuilding partitions, or disabling or enabling constraints and triggers.

The data type of columns included in an index cannot be changed unless the column is a varchar, nvarchar, or varbinary data type, and the new size is equal to or larger than the old size.

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max Applies only to the varchar, nvarchar, and varbinary data types for storing 2^31-1 bytes of character, binary data, and of Unicode data.

Applies to: SQL Server 2008 through SQL Server 2017 and Azure SQL Database.

For example, changing an nchar or nvarchar column to char or varchar may cause the conversion of extended characters.

For more information, see CAST and CONVERT (Transact-SQL).

Collation name can be either a Windows collation name or a SQL collation name.