Datameer Blog

Tag: SQL

Benefits of No-Code Tools to the SQL Data Engineer

The market for no-code tools is growing dramatically.  Whether in mobile development, application development, digital transformation, process re-engineering, or other area...

  • John Morrell
  • April 11, 2022
Datameer vs. SQL

Low code vs SQL: What transforms data faster?

Datameer No-code vs SQL The scale, flexibility, and cost-efficiency of cloud data warehouses, such as Snowflake, give organizations an agile infrastructure. With this, they...

  • John Morrell
  • November 30, 2021

Datameer Offers Innovative New SaaS Data Transformation Solution

SaaS Data Transformation Solution Our team here at Datameer is proud to announce that we are offering an innovative new SaaS Data Transformation Solution for Snowflake.  Th...

  • John Morrell
  • October 8, 2021
SQL FAQ Feat

How to use IF condition in SQL SELECT statement?

In SQL Server, we have below two options to implement IF condition in SQL SELECT statement. CASE WHEN… THEN IIF Let us consider the following ‘student’ table. CREATE TABLE ...

  • How-Tos FAQs
  • February 1, 2019
SQL FAQ Feat

How to initialize an AUTO_INCREMENT column in MySQL

The value of AUTO_INCREMENT can be reinitialized using the below methods. ALTER TABLE… AUTO_INCREMENT TRUNCATE TABLE Let us consider the table below. CREATE TABLE student (...

  • How-Tos FAQs
  • February 1, 2019
SQL FAQ Feat

How to add an IDENTITY to an existing column in SQL?

There is no straightforward way to add IDENTITY to an existing column. We need to follow a series of steps to achieve this. There are two ways to do this. Creating New Tabl...

  • How-Tos FAQs
  • February 1, 2019
SQL FAQ Feat

How to get only the DATE part from the DATETIME in SQL Server?

In SQL Server 2008 and above, we can either use the CONVERT or CAST function to return the DATE part from the DATETIME datatype. -- using CONVERT function SELECT CONVERT(DA...

  • How-Tos FAQs
  • February 1, 2019
SQL FAQ Feat

How to escape a single quote in SQL Server?

The most simple way to escape a single quote in SQL Server is to pair it with another single quote. Below are some examples: -- For selecting: [My name's Jack.] SELECT 'My ...

  • How-Tos FAQs
  • February 1, 2019
SQL FAQ Feat

How to create an AUTO_INCREMENT column in a table on Oracle DB using SQL?

Before Oracle 12c, we don’t have a direct method of generating an AUTO_INCREMENT column in a table. We need to use the combination of Sequences and Triggers. Now, we have t...

  • How-Tos FAQs
  • February 1, 2019
SQL FAQ Feat

What is the difference between INNER JOIN and OUTER JOIN in SQL?

In a relational database, the data are distributed into different tables to reduce data redundancy and improve data integrity. The JOINs in SQL help to combine the rows of ...

  • How-Tos FAQs
  • February 1, 2019
SQL FAQ Feat

How to select dates between the two given dates in SQL

We can select dates between the two given dates in SQL using the below methods. BETWEEN … AND … Operator >= (Greater Than or Equal to) and <=(Smaller Than or Equal to...

  • How-Tos FAQs
  • December 17, 2018
SQL FAQ Feat

DELETE data from a table by joining with another table in SQL

We can join multiple tables in the DELETE statement, just like in the SELECT statement. DELETE data from a table by joining with another table in SQL Let us consider the be...

  • How-Tos FAQs
  • December 17, 2018
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