Difference between join vs union

• 8 votes119 views1 answer

  Check mysql version phpmyadmin

  SQL
• 10 votes99 views4 answers

  Primary key in sql

  SQL
• 18 votes110 views6 answers

  Drop table if exists

  SQL
• 1 vote112 views1 answer

  Right outer vs left outer join

  SQL
• 0 vote122 views2 answers

  SQLSTATE[HY000]: General error: 3780 Referencing column 'role_id' and referenced column 'id' in foreign key constraint 'user_role_id foreign' are incompatible.

  SQL
• 15 votes119 views2 answers

  Sql order by multiple columns

  SQL
• 0 vote115 views1 answer

  Select list is not in group by clause and contains nonaggregated column codeigniter

  SQL
• 0 vote152 views1 answer

  Capabilities of sql select statements

  SQL
• 0 vote113 views1 answer

  We are intrested to work with your organization

  SQL
• 5 votes121 views1 answer

  Ora-00054 resource busy and acquire with nowait

  SQL