I created some tables using MySQL Workbench, and then did forward ‘forward engineer’ to create scripts to create these tables. BUT, the scripts lead me to a number of problems. One of which involves
I\'ve a sql table with a primary key(Auto Incremented) and a foreign key.Now I need to modify the table by modifying the fore开发者_Go百科ign key to second primary key so that its values are not allow
In the same way SHOW CREATE TABLE tblname; brings back what was previously executed, is there anyway to view the SQL of a开发者_如何学Pythonn ALTER TABLE query?
I have about 100 databases (all the same structure, just on different servers) with approx a dozen tables each. Most tables are small (lets say 100MB or less). There are occasional edge-cases where a
I’m trying to modify a table to make its primary key column AUTO_INCREMENT after the fact.I have trie开发者_JS百科d the following SQL, but got a syntax error notification.
Is there a simple way to modify a table in recent sqlite versions so that it matches a predefined schema?
I havea table and one of the columns is \"Date\" of type datetime. We d开发者_开发百科ecided to add a default constraint to that column
I\'m pretty new to SQLite 3 and just now I had to add a column to an existing table I had. I went about doing that by doing: ALTER TABLE thetable ADD COLUMN category;.
For my automated acceptance tests, I want inserts to start with id=1. I achieved this on one PC (XP 32bit, mysql 5.1.something) with (after deleting all rows from the table), \"alter table tableName a
I wrongly named a column hased_password instead of hashed_password. How do I update the database schema, using migration to开发者_如何学JAVA rename this column?rename_column :table, :old_column, :new
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