Sql

Mysql very slow for alter table query

How to check DB2 version

How do I get textual contents from BLOB in Oracle SQL?

blob-extraction

Optimal way to concatenate/aggregate strings

string-aggregation

Does PostgreSQL support "accent insensitive" collations?

full-text-search

How to do a count on a union query

How do I change db schema to dbo

database-backup

How to bulk delete a range of records in MySQL?

Rails includes with conditions

Sqlite - ORDER BY RAND()

Is it possible to GROUP BY multiple columns using MySQL?

aggregate-functions

Alter TABLE to add a composite primary key

Update multiple rows with different values in one query in MySQL

Sql Server Insert if not exists

race-conditions

performance-optimization

Sql multiple column ordering

multiple-column-sort

case-statements

Import SQL file into mysql

Mysql search and replace some text in a field

Is the SQL WHERE clause short-circuit evaluated?

query-optimization

short-circuiting

Fastest way to determine if record exists

Sqlite DateTime comparison

date-comparison

datetime-functions

explain.codes / Sql