Normalization in database 2nd normal form

• 2 votes124 views2 answers

  How to check database username and password in postgresql

  SQL
• 0 vote156 views3 answers

  Classement rang mysql 7

  SQL
• 1 vote131 views2 answers

  Postgresql get difference in hours between two dates

  SQL
• 1 vote133 views1 answer

  Oracle create as select

  SQL
• 0 vote131 views1 answer

  Delete record by id sql

  SQL
• 0 vote142 views1 answer

  ERROR: column "hourly_visitors.hour" must appear in the GROUP BY clause or be used in an aggregate function

  SQL
• 5 votes294 views2 answers

  How to ascending order in sql

  SQL
• 0 vote157 views1 answer

  Sqlite3 pragma foreign keys

  SQL
• 0 vote133 views1 answer

  Select last N rows mysql

  SQL
• 4 votes161 views1 answer

  Mysql delete last row

  SQL