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Not equal != operator on NULL
Could someone please explain the following behavior in SQL?
11 Answers
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Search All Fields In All Tables For A Specific Value (Oracle)
...using to obtain it?
Anyway, diciu's answer gives one method of generating SQL queries to check every column of every table for the value. You can also do similar stuff entirely in one SQL session using a PL/SQL block and dynamic SQL. Here's some hastily-written code for that:
SET SERVEROUTPU...
Get the last inserted row ID (with SQL statement) [duplicate]
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If your SQL Server table has a column of type INT IDENTITY (or BIGINT IDENTITY), then you can get the latest inserted value using:
INSERT INTO dbo.YourTable(columns....)
VALUES(..........)
SELECT SCOPE_IDENTITY()
This works as...
Printing the value of a variable in SQL Developer
... particular variable which is inside an anonymous block. I am using Oracle SQL Developer. I tried using dbms_output.put_line . But it is not working. The code which I am using is shown below.
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How do I list all the columns in a table?
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For MySQL, use:
DESCRIBE name_of_table;
This also works for Oracle as long as you are using SQL*Plus, or Oracle's SQL Developer.
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How to get Time from DateTime format in SQL?
I want to get only Time from DateTime column using SQL query
using SQL Server 2005 and 2008
Default output:
17 Answers
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How can I extract a predetermined range of lines from a text file on Unix?
I have a ~23000 line SQL dump containing several databases worth of data. I need to extract a certain section of this file (i.e. the data for a single database) and place it in a new file. I know both the start and end line numbers of the data that I want.
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How do I spool to a CSV formatted file using SQLPLUS?
... some queries to a CSV output format. Unfortunately, I can't use any fancy SQL client or any language to do it. I must use SQLPLUS.
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Filtering for empty or NULL names in a queryset
...ll Name objects that have a not-null, not-empty alias field. The generated SQL would look something like:
SELECT * FROM Name WHERE alias IS NOT NULL AND alias != ""
You can also pass multiple arguments to a single call to exclude, which would ensure that only objects that meet every condition get...
How to determine the number of days in a month in SQL Server?
I need to determine the number of days in a month for a given date in SQL Server.
28 Answers
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