Explain Codes LogoExplain Codes Logo

Sql

Convert varchar to uniqueidentifier in SQL Server

sql
guid
sql-server
data-integrity

Sql Server : How to test if a string has only digit characters

sql
prompt-engineering
best-practices
dataframe

Explaining why 'Just add another column to the DB' is a bad idea, to non programmers

sql
database-normalization
data-bloating
database-design

Best way to handle nested case statement logic in SQL Server

sql
case-statements
sql-best-practices
error-handling

Store MySQL query output into a shell variable

sql
mysql
database
query

Unknown column in 'field list' error on MySQL Update query

sql
best-practices
join
sql-queries

Rename a constraint in SQL Server?

sql
best-practices
database-design
sql-server

Counting the number of occurrences of a substring within a string in PostgreSQL

sql
prompt-engineering
best-practices
regexp

Create SQL INSERT Script with values gathered from table

sql
sql-scripts
data-migration
sql-injections

Create SQL script that creates a database and tables

sql
scripting
database-creation
sql-server

What are the benefits of using database cursor?

sql
cursor-optimization
database-performance
sql-queries

How to remove not null constraint in SQL Server using query

sql
best-practices
data-integrity
sql-server

How can I use a case-sensitive LIKE operator in MySQL?

sql
database
mysql
case-sensitive

How to retrieve field names from temporary table (SQL Server 2008)

sql
sql-server
temp-tables
system-tables

Insert and set value with max()+1 problems

sql
concurrency-control
transaction-isolation-levels
locking-strategies

Sql to generate a list of numbers from 1 to 100

sql
best-practices
performance
join

How SQL query result insert in temp table?

sql
temp-tables
sql-server
database-management

Sql Server equivalent of a COUNTIF aggregate function

sql
aggregate-functions
conditional-aggregation
sql-server

Finding and Deleting Duplicate Rows in PostgreSQL

sql
performance-tuning
database-optimization
postgresql

Postgresql - select something where date = "01/01/11"

sql
type-casting
date-format
postgresql