Lab Sql

I am trying to delete a row from a table using PHP (PDO) on a page listing the rows entered into th… Read more Delete Row With Php - Pdo On Webpage

I'm trying to run following query but it throws an error. DELETE b FROM parim_lang a JOIN par… Read more Multiple-table Delete Limit

I have a table structured like this: CREAT TABLE `member_logins` ( `id` bigint(10) unsigned not… Read more Deleting Rows: No Single Member Has More Than X Records

I designed below query for my delete operation. I am new to SQL and just wanted to check with exper… Read more Is There Any Better Way To Write This Query

Is there is a way to delete records using WHERE IN @VARIABLE? -- DEMO TABLE CREATE TABLE people ( … Read more Deleting Records In Mysql Where Id In (@variable) -- (2,3,4)

I have Some static data for that i am creating select statement with the help of union all and i am… Read more Dynamic Delete In Oracle

I am working on a student grade submission program that accepts the following inputs: Student ID, S… Read more How To Update/delete With Elements From Two Different Tables Sqlite

My innodb table has the following structure: 4 columns (CountryID, Year, %Change, Source), with the… Read more How To Delete Multiple Rows With 2 Columns As Composite Primary Key In Mysql?

I have a table called 'agenda' //translation: dairy with the following rows: idagenda // pr… Read more How Do I Delete Row With Primary Key Using Foreign Key From Other Table?

Does it get any simpler than this query? delete a.* from matches a inner join matches b ON (a.u… Read more Slow Self-join Delete Query

I have a database table with one Index where the keyname is PRIMARY, Type is BTREE, Unique is YES, … Read more Is There A Mysql Command Drop All Indexes Except Primary Index?

Trying to execute a delete query and getting the following error Syntax error (missing operator) … Read more Sql Delete Statement Syntax

I have two tables Person (contain oldest date (farthest in future) when person moved OR WILL moved … Read more Delete Where Both Columns Match

I'm trying to delete 267 records out of about 40 million. The query looks like: delete from pr… Read more "the Total Number Of Locks Exceeds The Lock Table Size" Deleting 267 Records

I am trying to drop an empty table drop table temp; the query is running forever. So, I tried to fi… Read more How To Find The Queries That Is Blocking Another Query?

Using Doctrine, I am trying to delete records in a single table based on data gathered from multipl… Read more What Is The Syntax For A Multi-table Delete On A Mysql Database Using Doctrine?

after selecting records i want to delete that records..i tried following query - (after removing ,M… Read more Mysql Query To Delete Records After Select..?

So I'm creating a small program with 2 forms, one to add data to a database, and one to delete … Read more Form To Delete Data From Mysql Database Using Php

I have a table like entryid, roomid 1 1 2 55 3 1 4 … Read more Delete All Rows And Keep Latest X Left

Picture a simple table structure: Table1 Table2 ---------- ---------- ID Table1ID … Read more How Long Should A Primary Key Delete Take?