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I am using SQL Server 2005. I have a table with a text column and I have many rows in the table where the value of this column is not null, but it is empty. Trying to compare against '' yields this response: The data types text and varchar are incompatible in the not equal to operator An empty value indicates that a specific member, tuple, or cell is empty. An empty cell value indicates either that the data for the specified cell cannot be found in the underlying fact table, or that the tuple for the specified cell represents a combination of members that is not applicable for the cube

A field with a NULL value is a field with no value. If a field in a table is optional, it is possible to insert a new record or update a record without adding a value to this field. Then, the field will be saved with a NULL value. Note: A NULL value is different from a zero value or a field that contains spaces The IS_EMPTY function takes a set and returns TRUE if that set is empty. The syntax of the IS_EMPTY function is: IS_EMPTY(<set>) where set is a set of any set data type (such as mdex:string-set or mdex:long-set). For example, set can be a multi-assign double attribute

There are many times were we need to handle NULL and empty values in SQL Server. Note however, that there is a difference between a NULL and an empty value. In this example we will examine the above cases and ways of handling it, when developing data processes in SQL Server. Create a Sample Table with Some Dat SQL Examples SQL Examples SQL Quiz SQL Exercises SQL Certificate. SQL IS NOT NULL Keyword SQL Keywords Reference. IS NOT NULL. The IS NOT NULL command is used to test for non-empty values (NOT NULL values). The following SQL lists all customers with a value in the Address field: Example. SELECT CustomerName, ContactName, Addres I need to check in my Stored procedure if the information passed is null or empty so I can decided to insert the new value or keep the old. How do I accomplish this please in T-SQL. Thanks in advance Hello, You can run a COUNT (*) on the table; if it's empty it return 0 = count of rows. SELECT COUNT(*) AS RowCnt FROM yourTable Or in you.NET sample of your other post: The DataReader has a property.HasRows, which you also could use (instead)

How do I check if a SQL Server text column is empty

  1. To check if the column has null value or empty, the syntax is as follows − SELECT * FROM yourTableName WHERE yourSpecificColumnName IS NULL OR yourSpecificColumnName = ' '; The IS NULL constraint can be used whenever the column is empty and the symbol (' ') is used when there is empty value
  2. SELECT * FROM tab WHERE col IS NULL OR col = '' With IS NULL, you can check for NULL, with = '', you can check for an empty string. If you are searching for all datasets where the field is not NULL and not empty, you can use the following query instead: SELECT * FROM tab WHERE col IS NOT NULL AND col != '
  3. NULL is a special value that signifies 'no value'. Comparing a column to NULL using the = operator is undefined. Instead, use WHERE IS NULL or WHERE IS NOT NULL
  4. A null value in a database really means the lack of a value. It is a special value that you can't compare to using the normal operators. You have to use a clause in SQL IS Null. On the other hand, an empty string is an actual value that can be compared to in a database
  5. As I upgraded from Windows 8.1 to Windows 10, I noticed that the SQL Server Services in SQL Server Configuration Manager is empty. SQL Server still works perfectly well at the moment. SQL Server 2014 is installed on a local machine
  6. select 'I am not empty' END. ELSE. BEGIN. select 'I am empty' END. select @user . If you want to make sure that your varchar value contains some thingelse than NULL and empty string use simple.

Consider a case where you want to bring through a varchar column called SomeColumn from table SomeTable and replace its value with, 'Not Available' if the value is NULL or an empty string. This is how it can be achieved in Transact-SQL: SELECT ISNULL (NULLIF (SomeTable.SomeColumn, ''), 'Not Available') FROM SomeTable.. Formula Description Result; Coalesce( Blank(), 1 ) Tests the return value from the Blank function, which always returns a blank value. Because the first argument is blank, evaluation continues with the next argument until a non-blank value and non-empty string is found.: 1: Coalesce( , 2 ) Tests the first argument which is an empty string

Working with Empty Values - SQL Server Microsoft Doc

To check whether a field is null or empty in MySQL, use the IF() function in MySQL. The syntax is as follows −. SELECT IF(yourColumnName IS NULL or yourColumnName = '', 'NULLId', yourColumnName) as anyVariableName from yourTableName Way 2: Delete SQL Server Log File with Transact-SQL . If you are familiar with Transact-SQL, follow this way to work for SQL Server database or log file deletion. Step 1: Empty SQL log file. 1. Connect to the Database Engine. 2. From the Standard bar, click New Query. 3. Copy and paste the following example into the query window and click Execute The rows that have the NULL or an empty string or a string consisting entirely of spaces are all excluded by this query. Visit this SQL server certification to learn SQL Full Package

Backup and Restore Best Practice's Clustering Connect Items Cool Features Database Settings DMV's General High Availability Install Microsoft Azure Migration Mirroring Missing Patch Issues News/Updates PASS Powershell Scripts Security Service Packs & CUs SQL Azure SQLPASS SQL Server 2012 SQL Server 2014 SQL Server 2016 Tools & Features Windows. IS EMPTY . Use the IS [NOT] EMPTY conditions to test whether a specified nested table is empty, regardless whether any elements of the collection are NULL.. is_empty_conditions::= Description of the illustration is_empty_conditions.gif. The condition returns a boolean value: TRUE for an IS EMPTY condition if the collection is empty, and TRUE for an IS NOT EMPTY condition if the collection is. No. Unless you need the space for something else it is not a problem at all. The unused space won't cause any extra CPU or memory use, empty pages won't consume space in backups, etc... As data grows in future it will use the empty allocated space instead of requesting more from the filesystem I can modify the SQL query to also check for empty values: SELECT cheeseName FROM cheeses WHERE IlikeIt <> 'Yes' OR IlikeIt IS NULL. Obviously, since I cannot get my result with asking for just one thing, I would change the query to avoid the not equal comparison operator and make it slightly more readable by doing

How one can create a new column using PL/SQL? - Quora

SQL NULL Values - IS NULL and IS NOT NUL

NOTE: If a SQL Server VSS (Snapshot) Backup is in progress for any instance on the server, then a restart of the SQL Server VSS Writer service should be deferred till the backup is completed or fails Now one day when I opened up my SQL Server 2014 and went to the properties of the my database, I realized that the dropdown box for Compatibility level is empty. I currently have SQL Server 2012 and SQL Server 2014 both installed on the same machine

Sqllib error: System table sys.sysdatabases in SQL Server instance <Server\Instance> is empty. Note If this event is not logged when the VSS backup operations are not successful, the backup operations issue is not related to the auto-recovery option The SQL set functions all return null if their argument is empty (except for COUNT(*) and COUNT, which correctly return zero in such a situation). If a scalar subquery evaluates to an empty table, that empty table is coerced to a null. If a row subquery evaluates to an empty table, that empty table is coerced to a row of all nulls Code language: SQL (Structured Query Language) (sql) It returns an empty row. The query uses the comparison operator (=) to compare the values from the salesman_id column with NULL, which is not correct.To check if a value is NULL or not, you should use the IS NULL operator as follows This SQL tutorial explains how to use the SQL IS NULL condition with syntax and examples. The IS NULL condition is used in SQL to test for a NULL value. It returns TRUE if a NULL value is found, otherwise it returns FALSE

IS_EMPTY and IS_NOT_EMPTY functions - Oracl

SQL> SQL> CREATE OR REPLACE PROCEDURE is_empty_example AS 2 TYPE nestedTableType IS TABLE OF VARCHAR2(10); 3 myTable1 nestedTableType; 4 result BOOLEAN; 5 BEGIN 6 myTable1 := nestedTableType('F', 'G', 'S'); 7 result := myTable1 IS EMPTY; 8 IF result THEN 9 DBMS_OUTPUT.PUT_LINE('Nested table is empty'); 10 ELSE 11 DBMS_OUTPUT.PUT_LINE('Nested. Hi. I am getting a timeout when I try to start SQL Agent on my local machine. I went to the Configuration Manager to investigate but the box is empty except for SQL Server Browser. Shouldn't all of my services be listed here? (Integration Services, SQL Agent, etc)? I attached a screenshot for a · Hi CBLEV, Please follow the steps in this blog to. Sqlite Check if Table is Empty, you can execute select count (*) from table and check if count> 0 then leave else populate it. like SQLiteDatabase db = table. moveToFirst () check table and return true, if table is empty. Answer that is marked correct - uses extra check. Answer that is marked correct - uses extra check To view Transact-SQL syntax for SQL Server 2014 and earlier, see Previous versions documentation. Arguments. check_expression Is the expression to be checked for NULL. check_expression can be of any type. replacement_value Is the expression to be returned if check_expression is NULL

SQL Writer Error - 'sysdatabases in SQL server instance is empty.' Posted on August 18, 2011 by AnupWarrier 2 Votes You might have noticed an error in the application log for some server with in your environment which says sysdatabases in SQL server instance <Instance Name> is empty Sqllib error: System table sys.sysdatabases in SQL Server instance <SQL Server Name> is empty. The above error is a bit misleading because it doesn't literally mean that all your databases on the SQL Server instance reported have disappeared str=sql query contains. SQLConnString=connection string. DsStatus= dataset. i am using this code and it gives some time dataset is empty so that i want to know, how can check sqldataadpater is empty as i am already do for dataset and i got dataset is empty In Outsystems an empty/default string is a blank/space. Filter on an space, i.e. . Maybe beter is to supply a parameter, e.g. EmptyString with NullTextIdentifier(). Don't know if you use this query more then once, otherwise you could think of putting it in your Oracle database as a view. Cheers, Menn

Handling NULL and Empty Values in SQL Server - SQLNetHu

  1. In a nutshell, a blank SQL_ID can mean the foreground process is in the middle of a commit. But this story has more twists and turns than you may think. In this article I will focus on the empty SQL_ID based on doing a performance analysis from the AWR ASH table, dba_hist_active_sess_history
  2. I have a stored procedure (SS2k8) with a couple table-valued parameters that will sometimes be null or empty. I have seen this StackOverflow post that says that null/empty TVPs should simply be omitted from the calling parameter list. My problem is that I can't figure out how to check for empty or null inside the stored procedure as IF (@tvp IS NULL) fails on procedure creation with the.
  3. Applies to: SQL Server (all supported versions) Returns True if the value of $arg is an empty sequence. Otherwise, the function returns False
  4. The condition returns a boolean value: TRUE for an IS EMPTY condition if the collection is empty, and TRUE for an IS NOT EMPTY condition if the collection is not empty. If you specify NULL for the nested table or varray, the result is NULL
  5. SQL Server 2000 How do you write your query to check for blank (empty) cells? Need to check 3 columns. ColumnA, ColumnB and ColumnC. I need to grab the data in ColumnA ONLY if ColumnB and ColumnC is empty
  6. The IS NULL condition is used in SQL to test for a NULL value. It returns TRUE if a NULL value is found, otherwise it returns FALSE. It can be used in a SELECT, INSERT, UPDATE, or DELETE statement. How to use the SQL IS NULL Conditio

SQL Server Reporting Services (SSRS) there is not currently an out-of-the-box option to disable the delivery of empty reports to users. Solution. In this tip, we will use the AdventureWorksDW2014 database (available here) to demonstrate how to disable the delivery of empty reports Sometimes we have columns where null values are allowed. In such cases, SQL IS NULL is a very useful operator. SQL IS NULL operator is used to checking if the value of a column is null or not. The operator filters the result set based on the null column value Artemakis Artemiou is a Senior SQL Server Architect, Author, a 9 Times Microsoft Data Platform MVP (2009-2018) and a Udemy Instructor.He has over 15 years of experience in the IT industry in various roles Then open SQL Server Services, and you will see the list of instances on the right. If you had to add multiple nodes, make sure you check all of the nodes, since it is impossible to tell visually which node represents which version of Config Manager. If that list is empty, you did not install SQL Server correctly

SQL IS NOT NULL - W3School

  1. SQL Server Management Studio Express (Tools only) This does not contain the database, but only the tools to manage SQL Server instances, including LocalDB, SQL Express, SQL Azure, etc. Use this if you already have the database and only need the management tools. This package includes LocalDB. Microsoft® SQL Server® 2012 Express. Tr
  2. Returns true if this Geometry is an empty geometry. If true, then this Geometry represents an empty geometry collection, polygon, point etc. SQL-MM defines the result of ST_IsEmpty(NULL) to be 0, while PostGIS returns NULL. This method implements the OpenGIS Simple Features Implementation Specification for SQL 1.1. s2.1.1.1
  3. Example - Using IS NOT NULL with the SELECT Statement. When testing for a non-NULL value, IS NOT NULL is the recommended comparison operator to use in SQL. Let's start by looking at an example that shows how to use the IS NOT NULL condition in a SELECT statement.. In this example, we have a table called products with the following data
  4. SQL Server. The SQL Server ISNULL() function lets you return an alternative value when an expression is NULL: SELECT ProductName, UnitPrice * (UnitsInStock + ISNULL(UnitsOnOrder, 0)) FROM Products; MS Access. The MS Access IsNull() function returns TRUE (-1) if the expression is a null value, otherwise FALSE (0)
  5. Text version of the videohttp://csharp-video-tutorials.blogspot.com/2017/03/how-to-check-guid-is-null-or-empty-in.htmlHealthy diet is very important both for..
  6. DataLenth() Returns the number of bytes. If the image column will be empty then DataLength(your image column) will return 0
  7. NULLIF (colx, 0) This is just an easy way of producing NULL values whenever we have what is an accepted empty value in our data set. So, instead of zeros, we just get NULL. Applying this function to our data, we're getting

Checking if String is NULL or EMPTY in SQL The ASP

SQL Group By . Exercise 1 Exercise 2 Go to SQL Group By Tutorial. SQL Database . Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Exercise 7 Go to SQL Database Tutorial Sign In: To view full details, sign in with your My Oracle Support account. Register: Don't have a My Oracle Support account? Click to get started

How to remove non empty Directory in Linux - nixCraftMS SQL Machine Activation – Zoolz Wiki

When I view the data displayed in a table (like in SQL Server Management Studio), I can better distinguish a missing value if it says NULL and the background is of different colour. If I see a blank space, I am always wondering if it's really empty or there's some whitespace or some invisible characters In Oracle, EMPTY_BLOB() function allows you to assign an empty value (with 0 length) to a BLOB column. Although the length is 0, the value is not NULL. In SQL Server, you can use 0x constant (empty binary string). Using EMPTY_BLOB() in Oracle Let's create a table with a BLOB column in Oracle and insert data Hi, I have the following query: SELECT user_name FROM dm_user_sp; Select all Open in new window. I would like to add the clause to receive all user_name's with email only (not empty nor null values), how can I do this While most applications will have some form of server-side or even client-side technology that can be used to filter out database query results which may contain NULL or empty values, using another language and that additional burden of executing code is typically more costly for the server and, in fact, largely unnecessary.. Instead, below we'll briefly explore how to use the MySQL engine.

RestrictionCurrently, you cannot use the syntax above to call a parameterless function because PL/SQL does not allow empty parameter lists. That is, the following syntax is illegal: function_name()(index) -- illegal; empty parameter lis i have 4 rows on my sql table. i'm writing necessary info on textbox1 and than pressing a button. After than other textboxes gets data directly from sqlserver. But when i write a info that is not including in dt.Rows[0][0], my code crushes. please check my if condition and tell me what is wrong about it. Ok - dt.Rows may be empty so dt.Rows. In Oracle, EMPTY_CLOB() function allows you to assign an empty string (with 0 length) to a CLOB or NCLOB column. Although the length is 0, the value is not NULL. In SQL Server, you can use '' constant (empty string). Using EMPTY_CLOB() in Oracle Let's create a table with a CLOB and NCLOB column in Oracle and insert data

How to check if a table is empty using query code

First published on MSDN on Aug 13, 2013 One of the several advantages you get with partitioning a very large table is the ability to add or remove partitions instantaneously to help you with sliding window scenarios. However there are caveats if best practices aren't followed. If the right most par.. In SQL, this is solved with null. This happens to be the empty string . Using this trick, it makes it really easy to return either the combination of two columns, or just the second column. NULL Values in Where Clauses. Where clauses are used to limit the rows returned from a query File ID 3 of database ID 2 cannot be shrunk as it is either being shrunk by another process or is empty. File ID 4 of database ID 2 cannot be shrunk as it is either being shrunk by another process or is empty. File ID 5 of database ID 2 cannot be shrunk as it is either being shrunk by another process or is empty. DBCC execution completed In Oracle PL/SQL, to check if BLOB or CLOB is empty or not, use the dbms_lob.getlength() function or dbms_lob.compare() function. Here are the examples: Here are the examples: 1

EMPTY GEOGRAPHY is a different concept then NULL because OGC defines a common architecture for geography, independent of SQL. In fact, the OpenGIS® Implementation Specification for Geographic information - Simple feature access - Part 1:Common architecture spec does not even use the word NULL once I have a class that writes to an external SQL Server database. When the field is empty, it does not write the column and the column has the value NULL.In some cases, I want the column to be the value of the empty string instead of NULL.. Class myRequestClass Extends Ens.Request. Property MessageType As %String. The message that is passed to this class shows sql check field empty; check if column varchar is not empty mysql; java check if sql field empty; sql check if column empty within a select; set 0 or string if the return rows is empty in mysql; sql query to check if column is null or empty; mysql detect if is set null; how to search an empty value in a row in sql; mysql is empty or nul

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How do I check if a column is empty or null in MySQL

Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 17 years of hands-on experience.He holds a Masters of Science degree and numerous database certifications. Pinal has authored 12 SQL Server database books and 37 Pluralsight courses The following guide describes how to create a Crystal Report which check if a field is blank (NULL or empty) and if it is use an alternative field. This could be helpful if your database table has two fields for similar information and there are inconsistencies with the data entry - for example if there is a street address POST CODE and a.

empty refer to an empty result of no rows, and NULL (in the context of a table or result) refer to a table with one row holding a NULL value. MAX() This is the obvious query: SELECT MAX(a) FROM R If R is empty, the query must return NULL, not empty Is this the best way to select rows where any column is blank, empty, or NULL? Or is there a better way? Can you foresee any pitfalls? IF OBJECT_ID('tempdb..#A') IS NOT NULL DROP TABLE #A CREATE TABLE #A (id INT IDENTITY(1,1),x VARCHAR(3), y VARCHAR(3), z VARCHAR(3)) INSERT #A (x,y,z) VALUES · If you are checking every column in the table, this is. This runs faster (as it's a SQL construct) for larger, more complicated queries. Only useful for Null checks though. My second example was very similar to yours except I excluded the Len() part. This (either of them - using Nz()) is a good example of covering the situation where Nulls OR empty strings must be handled My database contains a record where the ID filed contains the value of '123' and the RepairAction field is an empty string. If I remove the 'AND RepairAction ' ';' text from my query statement, the record is found. I believe my problem is that I am not using the correct syntax to describe and empty string

MySQL: How to check if Field is NULL or EMPT

In SQL Server Configuration Manager, expand SQL Server Network Configuration.Click on Protocols for SCCM (SCCM is your Named Instance) In the right side pane, right click on the TCP/IP (Status Enabled) and click on Properties 2. Click on IP Addresses tab. Delete 0 from TCP Dynamic Port Field ( change this settings to all listed IP address). 3. Add a static port number in TCP Port Null Values can be replaced in SQL by using UPDATE, SET, and WHERE to search a column in a table for nulls and replace them. In the example above it replaces them with 0. Cleaning data is important for analytics because messy data can lead to incorrect analysis. Null values can be a common form of messy data SQL NULL Values. If a column in a table is optional, we can insert a new record or update an existing record without adding a value to this column. This means that the field will be saved with a NULL value. NULL values are treated differently from other values. NULL is used as a placeholder for unknown or inapplicable values SQL Server - Select a blank image if field is null. Mini Spy. Microsoft will give PC game developers an 88% revenue cut starting in August · in Front Page News. 9 Replies.

SQL WHERE IS NULL, SELECT WHERE IS NOT NULL, NULL or Empty

Something in the back of my mind tells me that you need to do a backup between removing the file and removing the filegroup. Also, when I've done this before, I've seen a mismatch between sys.database_files and sys.master_files (i.e. one of the views had the file in it, the other didn't), but at least that tells you that the server is still aware of the file in some capacity Add SQL's Not operator to find values that aren't Null. Using Northwind, the sample database that comes with Access, I will create a few queries to illustrate using Is Null and Is Not Null When SQL config 'spark.sql.parser.escapedStringLiterals' is enabled, it fallbacks to Spark 1.6 behavior regarding string literal parsing. For example, if the config is enabled, the pattern to match \abc should be \abc. * escape - an character added since Spark 3.0. The default escape character is the '\' SQL Code: INSERT INTO agents (agent_code,agent_name,commission) VALUES (A001,Jodi,.12) See our Model Database. Here is a new document which is a collection of questions with short and simple answers, useful for learning SQL as well as for interviews. Practice SQL Exercises

Here is sql statement: Dim sql as String = select count(*) from tablename It retun zero (0) result when a table is empty. Beware -- doing a Select Count(*) from a table locks the entire table and the solution will not scale with multiple users. You will start seeing query timeouts and transaction deadlocking One of the hardest concepts in learning SQL is the meaning of a NULL. Traditionally, programming languages had no concept of missing or UNKNOWN data. The closest example that most programmers ran into was the 'not applicable' flags in spreadsheets, or the classic TBD flags for undetermined instructors, locations, or other things in print outs.. Dr. Codd defined a NULL as the lack of a. I am having issues connecting to a table using the 'Get Data > SQL Server Database' I use this DB with other reporting software and don't seem to have any issue. However when I try to import the data I recieve a blank table with the message 'This Table is empty.' I have tried Direct Query and Import and it returns the same information Problem: Microsoft SQL Server Reporting Services won't populate the data set's field list. Clicking Refresh Fields does nothing—the field list remains empty.. Is something wrong with the query? Is there a database permissions issue? Let's check. Click the Query Designer button, then the red ! (execute) icon.The query runs anda normal result set is returned

Most of the times we need to check whether a SAS dataset is empty or not. In macro, we generally tell SAS to go to the next iteration only when SAS dataset is non-empty. In this post, we will see various methods to count number of rows (records) in SAS table. Method I : Proc SQL Count (Not Efficient The WHERE 1=2 method is to generate an empty table with the same structure as the select (same fields / definitions etc.) hence the rest of the where clause is irrelevant. What I mean is that you can simply replace the existing where clause with your WHERE 1=2, because in no case will the where clause change the structure of the result - just.

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How to Filter for SQL Null or Empty String - SQL Training

Article for: SQL Server Azure SQL Database Oracle database MySQL PostgreSQL MariaDB IBM Db2 Amazon Redshift Snowflake Teradata Vertica This query returns list of tables in a database without any rows In BigQuery, an array is an ordered list consisting of zero or more values of the same data type. You can construct arrays of simple data types, such as INT64, and complex data types, such as STRUCTs.The current exception to this is the ARRAY data type: arrays of arrays are not supported. Arrays can include NULL values. With BigQuery, you can construct array literals, build arrays from. SQL Server database consists of two types of filegroups, primary and user-defined. Primary Filegroup includes primary files. System tables come under the primary filegroup. User-defined filegroups are those filegroups which created by the user (as it is clear from the name) and user can modify it

SQL Server Services empty in SQL Server configuration

The one thing you can be sure of in this world is change. Luckily, SQL accounts for this. Classical thermodynamics and modern chaos theory both indicate that systems naturally migrate from a well-known, ordered state into a disordered state that no one can predict. Anyone who has ever monitored the status of a teenager's room [ SQL> select 1 as col1,length('') LEN from dual where to_char('') is null. col1 LEN ———- ———-1 NULL. This shows that an empty string is treated as a null in Oracle and the default data type of an empty string is varchar2 since if it were char, then automatically its length would have been one as stated above SQL SERVER - How to return '0' instead of NULL in a query resultset January 17, 2014 by Muhammad Imran In legacy data, it is very common that you find a lot of unnecessary NULL values and you need to do massage to present this data, whether it is a report or an email

Check the Variable is Empty or Null - SQLServerCentra

Let's start SQL Server Data Tools and create a new SSIS Package. By default the SSIS Toolbox window is on the left side, you can refer to the below image. Step 2: Let's close the SSIS Toolbox window by clicking on the close (x) button. After closing the SSIS Toolbox window, the environment looks like the below image this is pretty standard sql result set processing - it is how it is done billions of times in billions of pieces of code. why cannot the client deal with a result set that is empty??? You aren't going to know if a result set is empty until you fetch from it - and once you do - that is it, game over - that row is fetched Fixes an issue in which the home page of SQL Server Reporting Services web portal becomes empty after you enable the My Reports feature in SQL Server 2016 The latest example can be rewritten as below (we are talking about T-SQL, right?): Declare @blog UniqueIdentifier Set @blog = '00000000-0000-0000-0000-000000000000' If(@blog = 0x0) Begin Print 'The @blog Guid is Empty' End Else Begin Print 'The @blog Guid is not Empty' End Please note 0x0 is the hexadecimal equivalent of the empty guid

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Hi @Priorr, How do you connect to SQL Server database? I assume that you are using Power BI Desktop, if that is the case, as you can view data of tables in SSMS, I would recommend you directly write SQL query in the following screenshot to connect to the problem tables and check if the issue still persists Second, you should empty this file from the full used drive, so the users can post their transactions. And here is how you can empty the log file from SQL Database. 1- From SQL Server Database, Right-Click on the current used Database & then select Properties. 2- From Options, select Recovery Model as Simpl A NULL in SQL simply means no value exists for the field. Comparisons for NULL cannot be done with an = or != (or ) operators *. Additionally, NULL 'values' will not be JOINed when in a JOIN (meaning a NULL value in one table.column does not = a NULL value in the other table.column)

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