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The sql drop table statement.
Drop table. Use the drop table statement to move a table or object table to the recycle bin or to remove the table and all its data from the database entirely. The drop table statement is used to drop an existing table in a database. Durch diesen befehl werden die drei genannten tabellen geloescht. The sql drop table statement is used to remove a table definition and all the data indexes triggers constraints and permission specifications for that table.
Try it yourself. Drop table transact sql 05122017. Sql tabellenbearbeitung drop table manchmal ist es wuenschenswert eine tabelle aus welchem grund auch immer aus der datenbank zu loeschen. Drop table wie wir gelernt haben kann man mit dem befehl create table eine tabelle mit all ihren spalten erstellen.
Waere dies nicht moeglich wuerde die verwaltung der datenbank fuer die administratoren nach einiger zeit unnoetig verkompliziert. Load customer sum items unitprice as sales. Deleting a table will result in loss of complete information stored in the table. Sql server azure sql datenbank azure synapse analytics sql dw parallel data warehouse applies to.
Mysql drop table based on a pattern suppose that you have many tables whose names start with test in your database and you want to remove all of them using a single drop table statement. Geloescht werden kann eine tabelle mit dem schluesselwort drop anschliessend muss das objekt folgen das geloescht werden soll in diesem fall die tabelle sowie der name der tabelle. The following sql statement drops the existing table shippers. Unless you specify the purge clause the drop table statement does not result in space being released back to the tablespace for use by other objects and the space continues to count toward the users space quota.
Sql server azure sql database azure synapse analytics sql dw parallel data warehouse removes one or more table definitions and all data indexes triggers constraints and permission specifications for those tables. 3 minutes to read 1. Drop table orders salesmen t456a. Be careful before dropping a table.
Sql server azure sql database azure synapse analytics sql dw parallel data warehouse entfernt eine oder mehrere tabellendefinitionen sowie alle daten indizes trigger. Unfortunately mysql does not have the drop table like statement that can remove tables based on pattern matching. Load inline customer items unitprice. Drop mysql tables it is very easy to drop an existing mysql table but you need to be very careful while deleting any existing table because the data lost will not be recovered a.
Note you should be very careful while using this command because once a table is deleted then all the information available in that.
