In this code I am trying to delete the tables if they already exist every time I run the program, but the control is not going inside the if statements. table1 and table2 are present in the databas...

On Oracle, I create a table like this: CREATE TABLE "Mig1"( "Id" INTEGER NOT NULL , CONSTRAINT "PK_Mig1" PRIMARY KEY ( "Id" ) ) Then, I rename the PK: ALTER TABLE "Mig1" RENAME CONSTR...