information_schema.tables WHERE table_schema = db_name; And delete all tables on by one from the list: DROP TABLE IF EXISTS table1; DROP TABLE IF EXISTS table2; DROP TABLE IF EXISTS table3; Remember to turn on
SELECTtable_nameFROMinformation_schema.tablesWHEREtable_schema=db_name; Afterwards, copy all of the tables in the result from the above query and delete them one by one. DROPTABLEIFEXISTStableOne;DROPTABLEIFEXISTStableTwo;DROPTABLEIFEXISTStableThree;DROPTABLEIFEXISTStableEtc; ...
Command to export a database in MySQL You can create a dump file from the command line. For this, you can use themysqldumpcommand. mysqldump -u‹username› –p‹password› database_name table_name > dumpfile_name.sql In this command: ...
MySQL Export Schema is a technique featuring exporting the database DDL for database objects like tables, functions, views, triggers, packages, procedures, and package bodies. The target purpose may be an SQL commander editor, clipboard, or file. In this MySQL Export method in the database, ...
Step 1: Generate a List of Drop Table Statements For All Tables You can get a list of all tables in yourMySQLdatabase by running this query: SELECTtable_nameFROMinformation_schema.tablesWHEREtable_schema='database_name'; Replace the word “database_name” with the name of your database. ...
In MySQL, users can apply the constraints on columns along with the table schema. These constraints can be of two types given below. Column Level Constraint Table Level Constraint Syntax to create a table with constraints: Createtabletablemname attributeName1 attributeTypeconstraint,attributeName2 at...
There are many ways to lose your data. Schema upgrade failure is one of them. Unlike application code, you can’t drop a bundle of files and declare that a new version has been successfully deployed. You also can’t just put back an older set of files to rollback your changes. Of co...
2. Run another .SQL script that dumps the TRIGGERS to a .sql file (in step 1); it may also do other things. 3. Run that .SQL file after #2 completes. In MySQL.exe you can also use the SOURCE command, so as long as your DROP TRIGGERS script occurs in the same place each tim...
| information_schema | | performance_schema | +---+ 2 row in set (0.0006 sec) It seems I don’t have access to many databases… The default privilege is very limited: mysql> show grants; +---+ | Grants for user1@% | +---+ | GRANT USAGE ON.TOuser1%@user1%| ...
To copy only the schema but not the data: mysqldump -u [username] -p [database] --no-data > dump.sq To restore data without deleting previous data (incremental backups): mysqldump -u [username] -p [database] --no-create-info > dump.sql Migrate MySQL Servers in 2 Steps Start...