Change data type postgresql

• 9 votes149 views6 answers

  Check constraint in sql

  SQL
• 4 votes128 views3 answers

  Sql find second highest salary employee

  SQL
• 2 votes128 views2 answers

  Exec procedure pl sql

  SQL
• 3 votes170 views2 answers

  Update part of a string in mysql

  SQL
• 1 vote163 views1 answer

  Oracle schema size

  SQL
• 12 votes135 views1 answer

  Psql drop column

  SQL
• 0 vote130 views1 answer

  Sql select duplicates based on two columns

  SQL
• 0 vote134 views1 answer

  How to write triggers to increment or decrement the number of employees

  SQL
• 24 votes145 views6 answers

  Alter table name sql

  SQL
• 3 votes157 views1 answer

  Apex set debug level

  SQL