PostgreSQL – WHERE Clause   The PostgreSQL WHERE clause is used to specify a condition while fetching the data from single table or joining with multiple tables. If the given condition is satisfied, only then it returns specific value from the table. You can filter out rows that you do not want included in the …

Describe A Table Create Table Of Superheroes – Create a table called SUPERHEROES. If it already exists, replace it. CREATE OR REPLACE TABLE SUPERHEROES ( – Column called ID allowing up to five characters “ID” VARCHAR(5), – Column called NAME allowing up to 100 characters “NAME” VARCHAR(100), – Column called ALTER_EGO allowing up to 100 …

Drop Column Create Table Of Superheroes – Create a table called SUPERHEROES. If it already exists, replace it. CREATE OR REPLACE TABLE SUPERHEROES ( – Column called ID allowing up to five characters “ID” VARCHAR(5), – Column called NAME allowing up to 100 characters “NAME” VARCHAR(100), – Column called ALTER_EGO allowing up to 100 characters …

Query DESCRIBE TABLE like a table   DESCRIBE TABLE is a powerful tool for understanding the structure of a table. However, in Snowflake the output of DESCRIBE TABLE is not treated like a regular table (i.e. can be manipulated using SELECT). To query DESCRIBE TABLE as a regular table we have to first run it, then run a SELECT query on the last query …

Rename Column Create Table Of Superheroes – Create a table called SUPERHEROES. If it already exists, replace it. CREATE OR REPLACE TABLE SUPERHEROES ( – Column called ID allowing up to five characters “ID” VARCHAR(5), – Column called NAME allowing up to 100 characters “NAME” VARCHAR(100), – Column called ALTER_EGO allowing up to 100 characters …

Swap Two Tables SWAP will swap all contents, metadata, and access permissions between two tables. This can be useful by allowing you to build a new version of the table over time and then when you are ready, swapping out the old verison for the new version. Create Table Of Superheroes – Create a table called …

View A Column’s Comments Create Table Of Superheroes With Comments Column comments concern a particular column, while table comments are about the entire table. – Create a table called SUPERHEROES. If it already exists, replace it. CREATE OR REPLACE TABLE SUPERHEROES ( – Column called ID allowing up to five characters with a comment. “ID” …

View A Table’s Comments Create Table Of Superheroes With Comments Column comments concern a particular column, while table comments are about the entire table. – Create a table called SUPERHEROES. If it already exists, replace it. CREATE OR REPLACE TABLE SUPERHEROES ( – Column called ID allowing up to five characters with a comment. “ID” …

Create Or Replace Table Create Table This CREATE OR REPLACE method will create a table and if a table with the same name does already exists, will replace that existing table with the new table. – Create a table called SUPERHEROES. If it already exists, replace it. CREATE OR REPLACE TABLE SUPERHEROES ( – Column called ID …