Rownum in sql

Create row number in sql

SELECT t.A, t.B, t.C, ROW_NUMBER() OVER (ORDER BY t.A) as newId
  FROM dbo.tableZ AS t
  ORDER BY t.A;

Source: stackoverflow.com

Sql rownum

Returns results where the row number meets the passed condition.
Example: Returns the top 10 countries from the countries table.
SELECT * FROM countries
WHERE ROWNUM <= 10;

SQL SELECT TOP Equivalent in oracal

syntax -> SELECT column_name(s)
FROM table_name
WHERE ROWNUM <= number 
////example///
SELECT *
FROM Persons
WHERE ROWNUM <=5

Rownum in sql

SELECT ROWNUM, a.*
FROM (SELECT customers.*
      FROM customers
      WHERE customer_id > 4500
      ORDER BY last_name) a;

Source: techonthenet.com

Similar codes

6 votes139 views3 answers
Commit in sql
SQL
0 vote84 views1 answer
Mysql convert column to uppercase
SQL
0 vote139 views1 answer
Porcentaje sql
SQL
0 vote154 views1 answer
Sql server remove primary key without dropping table
SQL
0 vote125 views1 answer
Openquery insert into linked server
SQL
1 vote140 views1 answer
Display total number of tables in mysql
SQL
0 vote135 views1 answer
Postgres declare variable
SQL
1 vote124 views4 answers
Between vs in sql
SQL
16 votes151 views6 answers
Your connection attempt failed for user 'root' to the mysql server at localhost 3306
SQL
0 vote137 views2 answers
Oracle chain rules
SQL