Sql online test questions and answers

• 46 votes261 views4 answers

  Create column sql

  SQL
• 1 vote178 views1 answer

  ELECT list is not in GROUP BY clause and contains nonaggregated column 'schogdsw_db.SE.name' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

  SQL
• 15 votes193 views2 answers

  Sql order by multiple columns

  SQL
• 5 votes191 views2 answers

  Oracle find all tables with column name

  SQL
• 0 vote186 views1 answer

  T-SQL Retry (deadlock)

  SQL
• 0 vote184 views1 answer

  Mysqli::query(): (HY000/1034): Index for table 'db' is corrupt; try to repair it

  SQL
• 6 votes175 views5 answers

  Alter table oracle

  SQL
• 0 vote197 views1 answer

  "/** MySQL database password */" ext:txt | ext:cfg | ext:env | ext:ini

  SQL
• 0 vote196 views2 answers

  Which MySQL statement is used to delete data from a database

  SQL
• 0 vote189 views1 answer

  Uncaught Error: Call to undefined function DatabaseOld\mysqli_connect()

  SQL