How many columns can be used for creating index?

• 0 vote224 views1 answer

  How to add auto increment primary key

  SQL
• 0 vote154 views1 answer

  Mysql count with two joins

  SQL
• 3 votes251 views1 answer

  Postgresql today - 1 year

  SQL
• 14 votes186 views1 answer

  Excel is not a database

  SQL
• 0 vote150 views1 answer

  Reading from right to left from string find first special characters in sql

  SQL
• 0 vote179 views1 answer

  Mysql value ends with

  SQL
• 0 vote169 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
• 5 votes158 views5 answers

  Find max number in sql

  SQL
• 0 vote156 views1 answer

  Failed to connect to localhost:1433 - self signed certificate

  SQL
• 7 votes157 views1 answer

  Oracle pagination query offset

  SQL