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My SQLite in android studio with DISTINCT order question [closed]

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Closed 1 year ago.
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This is my database table call "BREAKFAST_TABLE" I want to keep date that not duplicate to list
This is my code
public List<String> get_notSameDate(String status)
{
List<String> return_Food=new ArrayList<>();
//COLUMN_DATE is "DATE"
//status is "BREAKFAST_TABLE"
String queryString="SELECT DISTINCT"+COLUMN_DATE+" FROM "+status;
SQLiteDatabase db=this.getReadableDatabase();
Cursor cursor = db.rawQuery(queryString,null);
if(cursor.moveToFirst())
{
do {
String date=cursor.getString(0);
return_Food.add(date);
}while (cursor.moveToNext());
}
cursor.close();
db.close();
return return_Food;
}
I using this code it always crashes.

Though we don't know what error it crashes with, I believe it fails because of missing space symbol between "DISTINCT" and the column name:
"SELECT DISTINCT"+COLUMN_DATE+" FROM "+status;
fixed:
"SELECT DISTINCT "+COLUMN_DATE+" FROM "+status;

Prepared Statement with subquery Gives Syntax Errror [closed]

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Closed 4 years ago.
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PreparedStatement amovie = con.prepareStatement("INSERT INTO actor_movie(actor_ID, movie_ID)"+ "select actor_ID from actor" + "where actor.surname = 'Depp', select movie_ID from movie where movie.title LIKE 'Caribbean%'");
Can someone tell me what is wrong with this query ? I digged the internet, but can't find a solution.
Error Message :
Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ', select movie_ID from movie where title LIKE 'Caribbean%'' at line 1

You have syntax error because you forgot VALUES and to enclose in parentheses the SELECT statements.
Change to this:
PreparedStatement amovie = con.prepareStatement(
"INSERT INTO actor_movie(actor_ID, movie_ID) VALUES ((select actor_ID from actor where actor.surname = 'Depp'), (select movie_ID from movie where movie.title LIKE 'Caribbean%'))");

Careful with the spaces needed between the strings concatenate
...movie_ID)"+ "select ...

What is the reason for this query is not working? Got: MySQLSyntaxErrorException Unknown column [closed]

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Closed 5 years ago.
Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question.
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My columns at customer table
cusid cusname cusadress paidamount email
cus123 damidu kegalle 45 adfff
This is my Java query
String query = "UPDATE `customer` SET `cusname`='"+jTextField_name.getText()+"',`cusadress`='"+jTextField_adress.getText()+"',`paidamount`='"+jTextField_amount.getText()+"',`email`="+jTextField_emailuser.getText()+" WHERE `cusid` = "+jTextField_id.getText();
executeSQlQuery(query, "Updated");
Error
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'cus123' in 'where clause'
What is the reason for this update is not working , but insert and delete statement works?

Use PreparedStatement like this below :
String updateQuery = "UPDATE customer SET cusname=?,cusadress=?,paidamount=?,email=? WHERE cusid=?";
PreparedStatement stmt=con.prepareStatement(updateQuery); // con is reference variable of Connection class
stmt.setString(1, jTextField_name.getText());
stmt.setString(2, jTextField_adress.getText());
stmt.setInt(3, jTextField_amount.getText());
stmt.setString(4, jTextField_emailuser.getText());
stmt.setString(5, jTextField_id.getText());
Hope this helps.

MySQL syntax error - Java Bukkit / Spigot plugin [closed]

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Closed 7 years ago.
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I'm getting this error when I'm trying to connect my Java Plugin to the local MySQL database:
[01:15:44 INFO]: [BetterStaff] Could not connect to database:com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''Reportslog' ('SenderName' varchar(32), 'Message' string)' at line 1
The code from my plugin is:
this.db.openConnection();
Statement statement = this.db.getConnection().createStatement();
statement.executeUpdate("CREATE TABLE IF NOT EXISTS 'Reportslog' ('SenderName' varchar(32), 'Message' string)");
Can you help me or correct my SQL syntax please?

Quotes are not allowed in the table name or fields:
String sql =
"CREATE TABLE IF NOT EXISTS Reportslog (SenderName varchar(32), Message varchar(32))";
PreparedStatement preparedStatement = conn.prepareStatement(sql);
preparedStatement.executeUpdate();

ORA-00933: SQL command not properly ended in a query that runs fine in SQL developer [closed]

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Closed 7 years ago.
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Below code gives
ORA-00933: SQL command not properly ended
on
private final String DUPLICATE_SQL_1="select abc, count(abc)"
+"from table_1"
+"where type= 'NEW'"
+"and trunc(update_date) = trunc(sysdate)"
+"group by abc having count(abc)>1";
ResultSet rs = stmt.executeQuery(DUPLICATE_SQL_1);
Same query worked fine on Oracle SQL Developer.

You are missing spaces (you must have a space at the end of each line except the last or at the start of each line except the first):
private final String DUPLICATE_SQL_1="select abc, count(abc) "
+"from table_1 "
+"where type= 'NEW' "
+"and trunc(update_date) = trunc(sysdate) "
+"group by abc having count(abc)>1";