Delete all rows except first N from a table having single column
Solution 2 new table with rename CREATE TABLE new names LIKE names INSERT INTO new names SELECT FROM names LIMIT 3 RENAME TABLE names TO old names new names TO names DROP TABLE old names Here s the sqlfiddle for this one In either case we end up with top 3 rows in our original table
How to delete all rows by group except the first and the last one in , 5 I have data like this Id Name AuthorId 1 AAA 2 2 BBB 2 3 CCC 2 4 DDD 3 5 EEE 3 I need a query which will delete all rows by group AuthorId if there are more then 2 except the first and the last one For example in the above data the second row should be deleted because for AuthorId 2 I have 3 rows but for AuthorId
SQL Server DELETE Remove One or More Rows From a Table
To remove one or more rows from a table completely you use the DELETE statement The following illustrates its syntax DELETE TOP expression PERCENT FROM table name WHERE search condition Code language SQL Structured Query Language sql First you specify the name of the table from which the rows are to be deleted in the
Sql select all rows except top row Stack Overflow, How do I return all rows from a table except the first row Here is my sql statement Select Top TopWhat from tbl SongsPlayed where Station Station order by DateTimePlayed DESC How do I alter my SQL statement to return all rows except the first row Many thanks
SQL DELETE Statement W3Schools
SQL DELETE Statement W3Schools, Delete All Records It is possible to delete all rows in a table without deleting the table This means that the table structure attributes and indexes will be intact DELETE FROM table name The following SQL statement deletes all rows in the Customers table without deleting the table
MySQL Delete All Rows Except First N From A Table Having Single
T SQL Delete All Rows From a Table Except Top N Rows TechNet
T SQL Delete All Rows From a Table Except Top N Rows TechNet How to delete all rows from a table except the Top N rows for example leaving only the top 1000 rows This article is the right answer to such ions and others like this one All Code samples in this article are downloadable from this link Problem To explore this scenario we need a test database
How Can I Apply A Conditional Formatting Rule To All Rows Except First
I have a table with the below structure I would like to delete all of the records that records that match ColA for any of the ColB s that have a ColC that has an even numbered value But only for the first instance of ColA In this example all of the AA records would be deleted ColA and ColB are unique and sorted in alphabetical order Sql server Deleting multiple rows based on the first instance of the . We ve got lots of great SQL Server experts to answer whatever ion you can come up with All Forums SQL Server 2005 Forums Transact SQL 2005 Delete all rows in table except the first row Author Topic OldMySQLUser Constraint Violating Yak Guru 301 Posts Posted 2008 01 18 11 37 00 In the following DELETE statement I try to delete all rows except the first one ordered by some criteria The actual query makes more sense this is just a repro All the sys objects stuff is just for generating test data Note the filter r 1 Yet the OUTPUT clause outputs deleted rows with r 1 How can this be
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