sql-null Examples and Free Source Code

How to Select all Columns from a Table for a Record - but to exclude a Column if all entries for tha...

sql oracle-database sql-null

How to find the average of two columns but if one value is null, then only show me the other value?...

sql mariadb average sql-null

Can I have nullable attributes in a third normal form database?...

mysql database sql-null 3nf

How to count in LEFT JOIN table...

mariadb where-clause left-join sql-null

PostgreSQL `IS NOT NULL` does not work properly for composite types...

postgresql plpgsql sql-null composite-types

Oracle SQL - Months between dates and null values...

sql oracle-database sql-null

Postgresql SQL: How check boolean field with null and True,False Value?...

postgresql postgresql-9.1 sql-null

PostgreSQL NULL check after adding attribute on UDT...

sql postgresql user-defined-types sql-null

How to SORT with Null and YEAR?...

sqlite case sql-order-by sql-null

Can MySQL automatically convert empty strings to NULL?...

php mysql forms sql-null

replace NULL with Blank value or Zero in sql server...

sql sql-server-2008 sql-null

SQLAlchemy ORM: translate between None in SQLAchemy ORM instance attributes to a specific database c...

sqlalchemy orm sql-null

Generating a flag with respect to a change in consecutive records within partition...

sql snowflake-cloud-data-platform window-functions lag sql-null

How to call a possibly null returning sql function from C extension in PostgresQL...

c postgresql sql-null

NOT Combination with AND...

sql mysql where-clause sql-null

How to make LAG() ignore NULLS in SQL Server?...

sql sql-server window-functions gaps-and-islands sql-null

Does PostREST have a null-safe not-equal operator, like IS DISTINCT FROM?...

postgresql sql-null postgrest

MySQL NULL or NOT NULL That is The Question?...

mysql database sql-null

I need to join 2 Tables based on the NULL values...

mysql sql left-join sql-null

Null result from multiple left Join in postgresql...

postgresql join left-join sql-null on-clause

SQLITE - If a column is null then the value in another column is 0...

sql sqlite case sql-null

Understanding how NULL is treated in GROUP BY versus the WHERE clause?...

sqlite select group-by where-clause sql-null

Postgres: Update Boolean column with false if column contains null...

postgresql boolean sql-null

Get the percentage of row with TEXT type...

mysql sql group-by average sql-null

SQL checking equality inside a case statement inside where clause?...

sql sql-server where-clause sql-null

SQL - Adding a % sign to NVL output/result set - pictures and code included...

sql oracle-database sql-null

Select rows which are there in one table and not there in another table by matching two columns valu...

sql sql-server left-join sql-null

Why does the SQL standard define JOIN USING via COALESCE of corresponding join column values given t...

join sql-null sql

Postgres unassigned record, is there a way to test for null?...

postgresql postgresql-9.3 sql-null

Update NULL values in column with known values SQL...

sql sqlite sql-update where-clause sql-null