A query’s projection can only have one instance of a given name. As your WHERE clause shows, you have several tables with a column called ID. Because you are selecting * your projection will have several columns called ID. Or it would have were it not for the compiler hurling ORA-00918. The solution is quite simple: you … Read more
If you are using ubuntu, you have to use the following steps to avoid this error(if there is no replication enabled): run the command vim /etc/mysql/my.cnf comment bind-address = 127.0.0.1 using the # symbol restart your mysql server once. Update In Step 1, if you cannot find bind-address in the my.cnf file, look for it in /etc/mysql/mysql.conf.d/mysqld.cnf file. Update in case of MySQL replication enabled … Read more
The SQLite command line utility has a .schema TABLENAME command that shows you the create statements.
I had the same problem. system configuration:-single system with window 7 sp1 server and client both are installed on same system I was trying to access the window desktop. As some the answer say that your Sqlserver service don’t have full access to the directory. This is totally right. I solved this problem by doing … Read more
You might be using Automatic Memory Management (AMM). AMM uses two initialization parameters: MEMORY_TARGET MEMORY_MAX_TARGET The shared memory file system should have enough space to accommodate the MEMORY_TARGET and MEMORY_MAX_TARGET values. To verify: In UNIX/Linux, you will have to set the shared memory file system accordingly. Verify: Set: For example,
have a look into this blog, the problem resolved for me by changing the column datatype from varchar(100) to varchar(100 char). in my case the data contains some umlaut characters. http://gerardnico.com/wiki/database/oracle/byte_or_character
I can think of at least two options… Or… Both let you have multiple different sets of constants. One is expandable without changing the schema, though the query still would need to change. The main advantage of either approach is that you can re-use the constants else where, but store them once in a centralised … Read more
Use the instructions for resetting the root password – but instead of resetting the root password, we’ll going to forcefully INSERT a record into the mysql.user table In the init file, use this instead
RANK gives you the ranking within your ordered partition. Ties are assigned the same rank, with the next ranking(s) skipped. So, if you have 3 items at rank 2, the next rank listed would be ranked 5. DENSE_RANK again gives you the ranking within your ordered partition, but the ranks are consecutive. No ranks are … Read more
Assuming three columns in the table: ID, NAME, ROLE BAD: This will insert or replace all columns with new values for ID=1: BAD: This will insert or replace 2 of the columns… the NAME column will be set to NULL or the default value: GOOD: Use SQLite On conflict clause UPSERT support in SQLite! UPSERT syntax was added to … Read more