Alter boolean column postgresql

• 7 votes200 views1 answer

  Forge server hosting

  SQL
• 1 vote337 views1 answer

  Cannot define PRIMARY KEY constraint on nullable column in table 'Student'.

  SQL
• 0 vote226 views4 answers

  Stored procedure sql

  SQL
• 8 votes201 views3 answers

  Mysql alter table add index

  SQL
• 0 vote203 views1 answer

  How to count null values in sql

  SQL
• 8 votes178 views8 answers

  Second highest salary in mysql

  SQL
• 2 votes210 views1 answer

  Error Code: 1055. Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column \\ which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

  SQL
• 10 votes198 views2 answers

  Mysql select timestamp group by day

  SQL
• 0 vote213 views1 answer

  Export partttion and import in oracle

  SQL
• 0 vote214 views1 answer

  Delete data from database sqlite android

  SQL