- How can we get a random number between 1 and 100 in MySQL?
- How do I select the second row in SQL?
- How do I get last second record in SQL?
- How do I select top 10 rows in SQL?
- How do I get last 5 rows in SQL?
- How do I get the last row in SQL?
- How do I get only 10 rows in SQL?
- How do I get one row in SQL?
- How do you do random sampling in SQL?
- How do I get random rows in MySQL?
- How can I get last 10 rows in SQL?
How can we get a random number between 1 and 100 in MySQL?
select FLOOR( RAND() * (maximumValue-minimumValue) + minimumValue) as anyVariableName; Let us check with some maximum and minimum value.
The maximum value we are considering is 200 and minimum is 100.
The random number will be between 100 and 200 including 100 and 200 itself..
How do I select the second row in SQL?
Use ROW_NUMBER() to number the rows, but use TOP to only process the first two. KM. Select top 2 [id] from table Order by [id] desc should give you want you the latest two rows added. However, you will have to pay particular attention to the order by clause as that will determine the 1st and 2nd row returned.
How do I get last second record in SQL?
Here is the query to get the second last row of a table in MySQL. mysql> select *from secondLastDemo order by StudentId DESC LIMIT 1,1; The output displays the second last record.
How do I select top 10 rows in SQL?
The SQL SELECT TOP ClauseSQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name. WHERE condition;MySQL Syntax: SELECT column_name(s) FROM table_name. WHERE condition. LIMIT number;Oracle Syntax: SELECT column_name(s) FROM table_name. WHERE ROWNUM <= number;
How do I get last 5 rows in SQL?
You need to count number of rows inside table ( say we have 12 rows )then subtract 5 rows from them ( we are now in 7 )select * where index_column > 7 select * from users where user_id > ( (select COUNT(*) from users) – 5) you can order them ASC or DESC.
How do I get the last row in SQL?
to get the last row of a SQL-Database use this sql string: SELECT * FROM TableName WHERE id=(SELECT max(id) FROM TableName); Output: Last Line of your db!
How do I get only 10 rows in SQL?
The ANSI SQL answer is FETCH FIRST . If you want ties to be included, do FETCH FIRST 10 ROWS WITH TIES instead. To skip a specified number of rows, use OFFSET , e.g. Will skip the first 20 rows, and then fetch 10 rows.
How do I get one row in SQL?
There is no limit 1 condition (thats MySQL / PostgresSQL) in Oracle, you need to specify where rownum = 1 . If any row would do, try: select max(user) from table; No where clause.
How do you do random sampling in SQL?
Random Sampling Within Groups using SQLCreate a random row number for each user_id that resets for each of my periods or groups. We do that by ordering the row_number() function using the random() function. … Select N of those rows filtering on our new random row number.
How do I get random rows in MySQL?
MySQL select random records using ORDER BY RAND()The function RAND() generates a random value for each row in the table.The ORDER BY clause sorts all rows in the table by the random number generated by the RAND() function.The LIMIT clause picks the first row in the result set sorted randomly.
How can I get last 10 rows in SQL?
The following is the syntax to get the last 10 records from the table. Here, we have used LIMIT clause. SELECT * FROM ( SELECT * FROM yourTableName ORDER BY id DESC LIMIT 10 )Var1 ORDER BY id ASC; Let us now implement the above query.