If 0 return null else return query mysql

• 28 votes112 views6 answers

  Foreign key

  SQL
• 4 votes100 views2 answers

  Sql vs mysql

  SQL
• 4 votes107 views1 answer

  Oracle show errors

  SQL
• 2 votes102 views1 answer

  Postgresql transaction

  SQL
• 4 votes89 views1 answer

  Invalid reference to FROM-clause entry for table "unidades

  SQL
• 0 vote106 views1 answer

  Postgresql default value boolean

  SQL
• 0 vote99 views1 answer

  Postgres add prefix to primary key

  SQL
• 0 vote122 views1 answer

  Mysql into outfile with headers

  SQL
• 2 votes96 views1 answer

  Mysql find tables with name

  SQL
• 1 vote101 views1 answer

  Postgres install unaccent extension

  SQL