{"id":190,"date":"2011-04-11T18:37:00","date_gmt":"2011-04-11T18:37:00","guid":{"rendered":"http:\/\/turtlellc.com\/index.php\/clearing-all-rows-from-all-tables\/"},"modified":"2011-04-11T18:37:00","modified_gmt":"2011-04-11T18:37:00","slug":"clearing-all-rows-from-all-tables","status":"publish","type":"post","link":"https:\/\/www.turtle.works\/knowledge\/clearing-all-rows-from-all-tables\/","title":{"rendered":"Clearing All Rows From All Tables"},"content":{"rendered":"

This couple of SQL statements will delete all the rows from all tables.<\/span><\/p>\n

    \n
  1. It disables referential integrity<\/li>\n
  2. DELETES or TRUNCATES each table<\/li>\n
  3. Enables referential integrity<\/li>\n
  4. Reseeds rows with identity<\/li>\n<\/ol>\n

    — disable referential integrity<\/span>
    EXEC sp_MSForEachTable ‘ALTER TABLE ? NOCHECK CONSTRAINT ALL’<\/span>
    GO<\/span><\/p>\n

    EXEC sp_MSForEachTable ‘<\/span>
    IF OBJECTPROPERTY(object_id(”?”), ”TableHasForeignRef”) = 1<\/span>
    DELETE FROM ?<\/span>
    else<\/span>
    TRUNCATE TABLE ?<\/span>
    ‘<\/span>
    GO<\/span><\/p>\n

    — enable referential integrity again<\/span>
    EXEC sp_MSForEachTable ‘ALTER TABLE ? CHECK CONSTRAINT ALL’<\/span>
    GO<\/span><\/p>\n

    — This will reseed each table [don’t run this exec if you don’t want all your seeds to be reset]<\/span>
    EXEC sp_MSForEachTable ‘<\/span>
    IF OBJECTPROPERTY(object_id(”?”), ”TableHasIdentity”) = 1<\/span>
    DBCC CHECKIDENT (”?”, RESEED, 0)<\/span>
    ‘<\/span>
    GO <\/span><\/p>\n

    Thanks to Mauro Cardarelli’s <\/span>post<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    This couple of SQL statements will delete all the rows from all tables. It disables referential integrity DELETES or TRUNCATES each table Enables referential integrity Reseeds rows with identity — disable referential integrityEXEC sp_MSForEachTable ‘ALTER TABLE ? NOCHECK CONSTRAINT ALL’GO EXEC sp_MSForEachTable ‘ IF OBJECTPROPERTY(object_id(”?”), ”TableHasForeignRef”) = 1 DELETE FROM ? else TRUNCATE TABLE ?‘GO … <\/p>\n

    Continue reading “Clearing All Rows From All Tables”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,25,26,28],"tags":[],"class_list":["post-190","post","type-post","status-publish","format-standard","hentry","category-database","category-sql","category-sql-server","category-t-sql"],"_links":{"self":[{"href":"https:\/\/www.turtle.works\/knowledge\/wp-json\/wp\/v2\/posts\/190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.turtle.works\/knowledge\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.turtle.works\/knowledge\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.turtle.works\/knowledge\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.turtle.works\/knowledge\/wp-json\/wp\/v2\/comments?post=190"}],"version-history":[{"count":0,"href":"https:\/\/www.turtle.works\/knowledge\/wp-json\/wp\/v2\/posts\/190\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.turtle.works\/knowledge\/wp-json\/wp\/v2\/media?parent=190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.turtle.works\/knowledge\/wp-json\/wp\/v2\/categories?post=190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.turtle.works\/knowledge\/wp-json\/wp\/v2\/tags?post=190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}